https://github.com/tstellar updated 
https://github.com/llvm/llvm-project/pull/128274

>From 2110f92892dd72dfbe1a7d87116faa3693c7c586 Mon Sep 17 00:00:00 2001
From: Tom Stellard <tstel...@redhat.com>
Date: Sat, 22 Feb 2025 03:08:24 +0000
Subject: [PATCH 01/31] workflows/release-binaries: Enable Windows x86 builds

---
 .github/workflows/release-binaries-all.yml |  1 +
 .github/workflows/release-binaries.yml     | 17 +++++++++++------
 clang/cmake/caches/Release.cmake           |  5 ++++-
 3 files changed, 16 insertions(+), 7 deletions(-)

diff --git a/.github/workflows/release-binaries-all.yml 
b/.github/workflows/release-binaries-all.yml
index 0b52a08202f1a..4e67b44ccbad3 100644
--- a/.github/workflows/release-binaries-all.yml
+++ b/.github/workflows/release-binaries-all.yml
@@ -92,6 +92,7 @@ jobs:
           - ubuntu-22.04-arm
           - macos-13
           - macos-14
+          - windows-2019
 
     uses: ./.github/workflows/release-binaries.yml
     with:
diff --git a/.github/workflows/release-binaries.yml 
b/.github/workflows/release-binaries.yml
index c113b42dc8ed4..2854fd36e31aa 100644
--- a/.github/workflows/release-binaries.yml
+++ b/.github/workflows/release-binaries.yml
@@ -118,9 +118,15 @@ jobs:
         echo "ref=$ref" >> $GITHUB_OUTPUT
         echo "upload=$upload" >> $GITHUB_OUTPUT
 
+        if [ "$RUNNER_OS" = "Windows" ]; then
+          release_binary_suffix="exe"
+        else
+          release_binary_suffix="tar.xz"
+        fi
+
         release_binary_basename="LLVM-$release_version-$RUNNER_OS-$RUNNER_ARCH"
         echo "release-binary-basename=$release_binary_basename" >> 
$GITHUB_OUTPUT
-        echo "release-binary-filename=$release_binary_basename.tar.xz" >> 
$GITHUB_OUTPUT
+        echo 
"release-binary-filename=$release_binary_basename.$release_binary_suffix" >> 
$GITHUB_OUTPUT
 
         target="$RUNNER_OS-$RUNNER_ARCH"
         # The hendrikmuhs/ccache-action action does not support installing 
sccache
@@ -151,11 +157,6 @@ jobs:
 
         build_flang="true"
 
-        if [ "$RUNNER_OS" = "Windows" ]; then
-          # The build times out on Windows, so we need to disable LTO.
-          target_cmake_flags="$target_cmake_flags 
-DLLVM_RELEASE_ENABLE_LTO=OFF"
-        fi
-
         echo "target-cmake-flags=$target_cmake_flags" >> $GITHUB_OUTPUT
         echo "build-flang=$build_flang" >> $GITHUB_OUTPUT
         case "${{ inputs.runs-on }}" in
@@ -179,6 +180,10 @@ jobs:
             fi
             test_runs_on="${{ inputs.runs-on }}"
             ;;
+          windows-2019)
+            build_runs_on="llvm-premerge-windows-runners"
+            test_runs_on="$build_runs_on"
+            ;;
           *)
             test_runs_on="${{ inputs.runs-on }}"
             build_runs_on=$test_runs_on
diff --git a/clang/cmake/caches/Release.cmake b/clang/cmake/caches/Release.cmake
index fb12dfcdcb5a5..595552985b788 100644
--- a/clang/cmake/caches/Release.cmake
+++ b/clang/cmake/caches/Release.cmake
@@ -140,7 +140,10 @@ set_final_stage_var(LLVM_ENABLE_PROJECTS 
"${LLVM_RELEASE_ENABLE_PROJECTS}" STRIN
 if (${CMAKE_HOST_SYSTEM_NAME} MATCHES "Linux")
   set_final_stage_var(CLANG_BOLT "INSTRUMENT" STRING)
 endif()
-set_final_stage_var(CPACK_GENERATOR "TXZ" STRING)
++# We want to generate an installer on Windows.
+if(NOT ${CMAKE_HOST_SYSTEM_NAME} MATCHES "Windows")
+  set_final_stage_var(CPACK_GENERATOR "TXZ" STRING)
+endif()
 set_final_stage_var(CPACK_ARCHIVE_THREADS "0" STRING)
 
 set_final_stage_var(LLVM_USE_STATIC_ZSTD "ON" BOOL)

>From a0313b17419ef01b13d236852a8b242b8680a603 Mon Sep 17 00:00:00 2001
From: Tom Stellard <tstel...@redhat.com>
Date: Mon, 24 Feb 2025 18:17:47 +0000
Subject: [PATCH 02/31] Fix typo

---
 clang/cmake/caches/Release.cmake | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/clang/cmake/caches/Release.cmake b/clang/cmake/caches/Release.cmake
index 595552985b788..cd84df263cf1b 100644
--- a/clang/cmake/caches/Release.cmake
+++ b/clang/cmake/caches/Release.cmake
@@ -140,7 +140,7 @@ set_final_stage_var(LLVM_ENABLE_PROJECTS 
"${LLVM_RELEASE_ENABLE_PROJECTS}" STRIN
 if (${CMAKE_HOST_SYSTEM_NAME} MATCHES "Linux")
   set_final_stage_var(CLANG_BOLT "INSTRUMENT" STRING)
 endif()
-+# We want to generate an installer on Windows.
+# We want to generate an installer on Windows.
 if(NOT ${CMAKE_HOST_SYSTEM_NAME} MATCHES "Windows")
   set_final_stage_var(CPACK_GENERATOR "TXZ" STRING)
 endif()

>From 434b4f8d567c0df39032a99d1c9281fc7a337f89 Mon Sep 17 00:00:00 2001
From: Tom Stellard <tstel...@redhat.com>
Date: Mon, 24 Feb 2025 18:37:28 +0000
Subject: [PATCH 03/31] Disable unsupported runtimes

---
 clang/cmake/caches/Release.cmake | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/clang/cmake/caches/Release.cmake b/clang/cmake/caches/Release.cmake
index cd84df263cf1b..a2b9853b5c7e8 100644
--- a/clang/cmake/caches/Release.cmake
+++ b/clang/cmake/caches/Release.cmake
@@ -56,7 +56,7 @@ set(CLANG_ENABLE_BOOTSTRAP ON CACHE BOOL "")
 set(STAGE1_PROJECTS "clang")
 
 # Build all runtimes so we can statically link them into the stage2 compiler.
-set(STAGE1_RUNTIMES "compiler-rt;libcxx;libcxxabi;libunwind")
+set(STAGE1_RUNTIMES ${DEFAULT_RUNTIMES})
 
 if (LLVM_RELEASE_ENABLE_PGO)
   list(APPEND STAGE1_PROJECTS "lld")

>From 1854aedd4031b32e2656dc20421f78aa861a0ab5 Mon Sep 17 00:00:00 2001
From: Tom Stellard <tstel...@redhat.com>
Date: Sat, 26 Jul 2025 22:42:08 -0700
Subject: [PATCH 04/31] Windows-2022

---
 .github/workflows/release-binaries-all.yml | 2 +-
 .github/workflows/release-binaries.yml     | 5 +----
 2 files changed, 2 insertions(+), 5 deletions(-)

diff --git a/.github/workflows/release-binaries-all.yml 
b/.github/workflows/release-binaries-all.yml
index 4e67b44ccbad3..4be18c50be9c3 100644
--- a/.github/workflows/release-binaries-all.yml
+++ b/.github/workflows/release-binaries-all.yml
@@ -92,7 +92,7 @@ jobs:
           - ubuntu-22.04-arm
           - macos-13
           - macos-14
-          - windows-2019
+          - windows-2022
 
     uses: ./.github/workflows/release-binaries.yml
     with:
diff --git a/.github/workflows/release-binaries.yml 
b/.github/workflows/release-binaries.yml
index 2854fd36e31aa..be65e8a5378d4 100644
--- a/.github/workflows/release-binaries.yml
+++ b/.github/workflows/release-binaries.yml
@@ -161,6 +161,7 @@ jobs:
         echo "build-flang=$build_flang" >> $GITHUB_OUTPUT
         case "${{ inputs.runs-on }}" in
           ubuntu-22.04*)
+          windows-2022)
             build_runs_on="depot-${{ inputs.runs-on }}-16"
             test_runs_on=$build_runs_on
             ;;
@@ -180,10 +181,6 @@ jobs:
             fi
             test_runs_on="${{ inputs.runs-on }}"
             ;;
-          windows-2019)
-            build_runs_on="llvm-premerge-windows-runners"
-            test_runs_on="$build_runs_on"
-            ;;
           *)
             test_runs_on="${{ inputs.runs-on }}"
             build_runs_on=$test_runs_on

>From ecf2b179e776c394c97ceb2016baed81e18fd387 Mon Sep 17 00:00:00 2001
From: Tom Stellard <tstel...@redhat.com>
Date: Sat, 26 Jul 2025 22:42:58 -0700
Subject: [PATCH 05/31] Windows fixes

---
 .github/workflows/release-binaries.yml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/.github/workflows/release-binaries.yml 
b/.github/workflows/release-binaries.yml
index be65e8a5378d4..7da7723b99ffa 100644
--- a/.github/workflows/release-binaries.yml
+++ b/.github/workflows/release-binaries.yml
@@ -23,6 +23,7 @@ on:
           - ubuntu-22.04-arm
           - macos-13
           - macos-14
+          - windows-2022
 
   workflow_call:
     inputs:

>From 03222fcc67847c4f292a3916067a986c6ec03777 Mon Sep 17 00:00:00 2001
From: Tom Stellard <tstel...@redhat.com>
Date: Sat, 26 Jul 2025 22:43:54 -0700
Subject: [PATCH 06/31] XXX: Debug

---
 .github/workflows/release-binaries-all.yml | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/.github/workflows/release-binaries-all.yml 
b/.github/workflows/release-binaries-all.yml
index 4be18c50be9c3..e9a2f7fb295cc 100644
--- a/.github/workflows/release-binaries-all.yml
+++ b/.github/workflows/release-binaries-all.yml
@@ -88,10 +88,6 @@ jobs:
         # We use ubuntu-22.04 rather than the latest version to make the built
         # binaries more portable (eg functional aginast older glibc).
         runs-on:
-          - ubuntu-22.04
-          - ubuntu-22.04-arm
-          - macos-13
-          - macos-14
           - windows-2022
 
     uses: ./.github/workflows/release-binaries.yml

>From bd8b14996a66085d0d65131043a3e5c9c2c6e749 Mon Sep 17 00:00:00 2001
From: Tom Stellard <tstel...@redhat.com>
Date: Sat, 26 Jul 2025 22:50:16 -0700
Subject: [PATCH 07/31] Fix

---
 .github/workflows/release-binaries.yml | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/.github/workflows/release-binaries.yml 
b/.github/workflows/release-binaries.yml
index 7da7723b99ffa..e60042ff73169 100644
--- a/.github/workflows/release-binaries.yml
+++ b/.github/workflows/release-binaries.yml
@@ -161,8 +161,7 @@ jobs:
         echo "target-cmake-flags=$target_cmake_flags" >> $GITHUB_OUTPUT
         echo "build-flang=$build_flang" >> $GITHUB_OUTPUT
         case "${{ inputs.runs-on }}" in
-          ubuntu-22.04*)
-          windows-2022)
+          ubuntu-22.04*|windows-2022)
             build_runs_on="depot-${{ inputs.runs-on }}-16"
             test_runs_on=$build_runs_on
             ;;

>From 59f41863397c6406165957668864fa8df091791b Mon Sep 17 00:00:00 2001
From: Tom Stellard <tstel...@redhat.com>
Date: Fri, 1 Aug 2025 15:38:39 -0700
Subject: [PATCH 08/31] Update Release.cmake

---
 clang/cmake/caches/Release.cmake | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/clang/cmake/caches/Release.cmake b/clang/cmake/caches/Release.cmake
index a2b9853b5c7e8..97f7439f21b47 100644
--- a/clang/cmake/caches/Release.cmake
+++ b/clang/cmake/caches/Release.cmake
@@ -143,6 +143,8 @@ endif()
 # We want to generate an installer on Windows.
 if(NOT ${CMAKE_HOST_SYSTEM_NAME} MATCHES "Windows")
   set_final_stage_var(CPACK_GENERATOR "TXZ" STRING)
+else()
+  set_final_stage_var(CMAKE_OBJECT_PATH_MAX "1024" STRING)
 endif()
 set_final_stage_var(CPACK_ARCHIVE_THREADS "0" STRING)
 

>From 2c0e6ee1d7b287035f48f7a3b830ab3310803502 Mon Sep 17 00:00:00 2001
From: Tom Stellard <tstel...@redhat.com>
Date: Mon, 4 Aug 2025 10:40:35 -0700
Subject: [PATCH 09/31] Update release-binaries.yml

---
 .github/workflows/release-binaries.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/release-binaries.yml 
b/.github/workflows/release-binaries.yml
index e60042ff73169..a6cfa8c7dfa46 100644
--- a/.github/workflows/release-binaries.yml
+++ b/.github/workflows/release-binaries.yml
@@ -162,7 +162,7 @@ jobs:
         echo "build-flang=$build_flang" >> $GITHUB_OUTPUT
         case "${{ inputs.runs-on }}" in
           ubuntu-22.04*|windows-2022)
-            build_runs_on="depot-${{ inputs.runs-on }}-16"
+            build_runs_on="depot-${{ inputs.runs-on }}-64"
             test_runs_on=$build_runs_on
             ;;
           macos-13)

>From f258bbcf2c2602a2009949bda1a1fd7e5a94dd4b Mon Sep 17 00:00:00 2001
From: Tom Stellard <tstel...@redhat.com>
Date: Mon, 4 Aug 2025 11:25:25 -0700
Subject: [PATCH 10/31] Update release-binaries.yml

---
 .github/workflows/release-binaries.yml | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/.github/workflows/release-binaries.yml 
b/.github/workflows/release-binaries.yml
index a6cfa8c7dfa46..d9ca453c06305 100644
--- a/.github/workflows/release-binaries.yml
+++ b/.github/workflows/release-binaries.yml
@@ -90,6 +90,9 @@ jobs:
       run: |
         ./llvm/utils/release/./github-upload-release.py --token 
"$GITHUB_TOKEN" --user "$GITHUB_ACTOR" --user-token "$USER_TOKEN" 
check-permissions
 
+    - name: Check long paths
+      run: |
+        Get-ItemProperty -Path 
'HKLM:\SYSTEM\CurrentControlSet\Control\FileSystem' -Name 'LongPathsEnabled'
     - name: Collect Variables
       id: vars
       shell: bash

>From 7f27ea05dca5df0bfa07fab27e5eacf77b25bec5 Mon Sep 17 00:00:00 2001
From: Tom Stellard <tstel...@redhat.com>
Date: Mon, 4 Aug 2025 11:29:05 -0700
Subject: [PATCH 11/31] Update release-binaries.yml

---
 .github/workflows/release-binaries.yml | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/release-binaries.yml 
b/.github/workflows/release-binaries.yml
index d9ca453c06305..5bfe2ebab55af 100644
--- a/.github/workflows/release-binaries.yml
+++ b/.github/workflows/release-binaries.yml
@@ -198,7 +198,9 @@ jobs:
     if: github.repository_owner == 'llvm'
     runs-on: ${{ needs.prepare.outputs.build-runs-on }}
     steps:
-
+    - name: Check long paths
+      run: |
+        Get-ItemProperty -Path 
'HKLM:\SYSTEM\CurrentControlSet\Control\FileSystem' -Name 'LongPathsEnabled'
     - name: Checkout Actions
       uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
       with:

>From a7a241767d7ec6bb60f095de241823d0ba9aa565 Mon Sep 17 00:00:00 2001
From: Tom Stellard <tstel...@redhat.com>
Date: Mon, 4 Aug 2025 12:06:11 -0700
Subject: [PATCH 12/31] Use powershell for windows

---
 .github/workflows/release-binaries.yml | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/release-binaries.yml 
b/.github/workflows/release-binaries.yml
index 5bfe2ebab55af..fb81189ab8778 100644
--- a/.github/workflows/release-binaries.yml
+++ b/.github/workflows/release-binaries.yml
@@ -250,12 +250,20 @@ jobs:
             -DBOOTSTRAP_LLVM_PARALLEL_LINK_JOBS=1 \
             -DBOOTSTRAP_BOOTSTRAP_CPACK_PACKAGE_FILE_NAME="${{ 
needs.prepare.outputs.release-binary-basename }}"
 
-    - name: Build
+    - name: Build Unix
       shell: bash
+      if: ${{ runner.os }} != "Windows"
       run: |
         ninja -v -C ${{ steps.setup-stage.outputs.build-prefix }}/build 
stage2-package
         release_dir=`find ${{ steps.setup-stage.outputs.build-prefix }}/build 
-iname 'stage2-bins'`
         mv $release_dir/${{ needs.prepare.outputs.release-binary-filename }} .
+
+    # There is an issue with building on Windows with bash so we use power 
shell.
+    # ninja: error: 
mkdir(tools/clang/tools/extra/clang-tidy/misc/ConfusableTable/CMakeFiles/clang-tidy-confusable-chars-gen.dir/C_/actions-runner/llvm-project/llvm-project/llvm):
 No such file or directory
+    - name: Build Windows
+      if: ${{ runner.os }} == "Windows"
+      run: |
+        ninja -v -C build stage2-package
     
     - uses: actions/upload-artifact@26f96dfa697d77e81fd5907df203aa23a56210a8 
#v4.3.0
       with:

>From 82c2fa50260f16cebb766f8a5aec03da4585e294 Mon Sep 17 00:00:00 2001
From: Tom Stellard <tstel...@redhat.com>
Date: Mon, 4 Aug 2025 12:09:01 -0700
Subject: [PATCH 13/31] Fix

---
 .github/workflows/release-binaries.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/release-binaries.yml 
b/.github/workflows/release-binaries.yml
index fb81189ab8778..24cb607b878a4 100644
--- a/.github/workflows/release-binaries.yml
+++ b/.github/workflows/release-binaries.yml
@@ -165,7 +165,7 @@ jobs:
         echo "build-flang=$build_flang" >> $GITHUB_OUTPUT
         case "${{ inputs.runs-on }}" in
           ubuntu-22.04*|windows-2022)
-            build_runs_on="depot-${{ inputs.runs-on }}-64"
+            build_runs_on="depot-${{ inputs.runs-on }}-16"
             test_runs_on=$build_runs_on
             ;;
           macos-13)

>From a884e0d6b935c9120236cd58410e89de6f881175 Mon Sep 17 00:00:00 2001
From: Tom Stellard <tstel...@redhat.com>
Date: Mon, 4 Aug 2025 14:39:40 -0700
Subject: [PATCH 14/31] Fix

---
 .github/workflows/release-binaries.yml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/release-binaries.yml 
b/.github/workflows/release-binaries.yml
index 24cb607b878a4..8c42209e2a46d 100644
--- a/.github/workflows/release-binaries.yml
+++ b/.github/workflows/release-binaries.yml
@@ -252,7 +252,7 @@ jobs:
 
     - name: Build Unix
       shell: bash
-      if: ${{ runner.os }} != "Windows"
+      if: runner.os != "Windows"
       run: |
         ninja -v -C ${{ steps.setup-stage.outputs.build-prefix }}/build 
stage2-package
         release_dir=`find ${{ steps.setup-stage.outputs.build-prefix }}/build 
-iname 'stage2-bins'`
@@ -261,7 +261,7 @@ jobs:
     # There is an issue with building on Windows with bash so we use power 
shell.
     # ninja: error: 
mkdir(tools/clang/tools/extra/clang-tidy/misc/ConfusableTable/CMakeFiles/clang-tidy-confusable-chars-gen.dir/C_/actions-runner/llvm-project/llvm-project/llvm):
 No such file or directory
     - name: Build Windows
-      if: ${{ runner.os }} == "Windows"
+      if: runner.os == "Windows"
       run: |
         ninja -v -C build stage2-package
     

>From eb74e4139f55faa27e409904f58559e8c04b519e Mon Sep 17 00:00:00 2001
From: Tom Stellard <tstel...@redhat.com>
Date: Mon, 4 Aug 2025 14:41:17 -0700
Subject: [PATCH 15/31] Fix

---
 .github/workflows/release-binaries.yml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/release-binaries.yml 
b/.github/workflows/release-binaries.yml
index 8c42209e2a46d..64d6298f4c4d2 100644
--- a/.github/workflows/release-binaries.yml
+++ b/.github/workflows/release-binaries.yml
@@ -252,7 +252,7 @@ jobs:
 
     - name: Build Unix
       shell: bash
-      if: runner.os != "Windows"
+      if: runner.os != 'Windows'
       run: |
         ninja -v -C ${{ steps.setup-stage.outputs.build-prefix }}/build 
stage2-package
         release_dir=`find ${{ steps.setup-stage.outputs.build-prefix }}/build 
-iname 'stage2-bins'`
@@ -261,7 +261,7 @@ jobs:
     # There is an issue with building on Windows with bash so we use power 
shell.
     # ninja: error: 
mkdir(tools/clang/tools/extra/clang-tidy/misc/ConfusableTable/CMakeFiles/clang-tidy-confusable-chars-gen.dir/C_/actions-runner/llvm-project/llvm-project/llvm):
 No such file or directory
     - name: Build Windows
-      if: runner.os == "Windows"
+      if: runner.os == 'Windows'
       run: |
         ninja -v -C build stage2-package
     

>From 617a2f847fd962a8f082f9fd2a72b1456002a350 Mon Sep 17 00:00:00 2001
From: Tom Stellard <tstel...@redhat.com>
Date: Mon, 11 Aug 2025 13:45:06 -0700
Subject: [PATCH 16/31] XXX:Debug

---
 .github/workflows/release-binaries.yml | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/.github/workflows/release-binaries.yml 
b/.github/workflows/release-binaries.yml
index 64d6298f4c4d2..2ef81c6c0e45f 100644
--- a/.github/workflows/release-binaries.yml
+++ b/.github/workflows/release-binaries.yml
@@ -67,6 +67,8 @@ jobs:
       test-runs-on: ${{ steps.vars.outputs.build-runs-on }}
 
     steps:
+    - run: |
+        New-Item -Path 
"c:\actions-runner/llvm-project/llvm-project/build/tools/clang/tools/extra/clang-tidy/misc/ConfusableTable/CMakeFiles/clang-tidy-confusable-chars-gen.dir/C_/actions-runner/llvm-project/llvm-project/llvm"
 -ItemType Directory
     # It's good practice to use setup-python, but this is also required on 
macos-14
     # due to https://github.com/actions/runner-images/issues/10385
     - uses: actions/setup-python@39cd14951b08e74b54015e9e001cdefcf80e669f

>From 437f42e525a34b83963232580a871b2458e56f3c Mon Sep 17 00:00:00 2001
From: Tom Stellard <tstel...@redhat.com>
Date: Mon, 11 Aug 2025 13:48:28 -0700
Subject: [PATCH 17/31] XXX: Debug

---
 .github/workflows/release-binaries.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/release-binaries.yml 
b/.github/workflows/release-binaries.yml
index 2ef81c6c0e45f..bbb2997afa3f5 100644
--- a/.github/workflows/release-binaries.yml
+++ b/.github/workflows/release-binaries.yml
@@ -68,7 +68,7 @@ jobs:
 
     steps:
     - run: |
-        New-Item -Path 
"c:\actions-runner/llvm-project/llvm-project/build/tools/clang/tools/extra/clang-tidy/misc/ConfusableTable/CMakeFiles/clang-tidy-confusable-chars-gen.dir/C_/actions-runner/llvm-project/llvm-project/llvm"
 -ItemType Directory
+        New-Item -Path 
"c:\actions-runner\llvm-project\llvm-project\build\tools\clang\tools\extra\clang-tidy\misc\ConfusableTable\CMakeFiles\clang-tidy-confusable-chars-gen.dir\C_\actions-runner\llvm-project\llvm-project\llvm"
 -ItemType Directory
     # It's good practice to use setup-python, but this is also required on 
macos-14
     # due to https://github.com/actions/runner-images/issues/10385
     - uses: actions/setup-python@39cd14951b08e74b54015e9e001cdefcf80e669f

>From 0f322ee3ba7aa19336cf699d6dcdf1cd1ec6c83f Mon Sep 17 00:00:00 2001
From: Tom Stellard <tstel...@redhat.com>
Date: Mon, 11 Aug 2025 13:56:13 -0700
Subject: [PATCH 18/31] Fix

---
 .github/workflows/release-binaries.yml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/.github/workflows/release-binaries.yml 
b/.github/workflows/release-binaries.yml
index bbb2997afa3f5..a5040b0d4f066 100644
--- a/.github/workflows/release-binaries.yml
+++ b/.github/workflows/release-binaries.yml
@@ -250,6 +250,7 @@ jobs:
             ${{ needs.prepare.outputs.target-cmake-flags }} \
             -C clang/cmake/caches/Release.cmake \
             -DBOOTSTRAP_LLVM_PARALLEL_LINK_JOBS=1 \
+            -DCMAKE_OBJECT_PATH_MAX=250 \
             -DBOOTSTRAP_BOOTSTRAP_CPACK_PACKAGE_FILE_NAME="${{ 
needs.prepare.outputs.release-binary-basename }}"
 
     - name: Build Unix

>From df7e14c87b650c54cea257194eb5f4c8dc1eb05a Mon Sep 17 00:00:00 2001
From: Tom Stellard <tstel...@redhat.com>
Date: Mon, 11 Aug 2025 20:43:33 -0700
Subject: [PATCH 19/31] Fix

---
 .github/workflows/release-binaries.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/release-binaries.yml 
b/.github/workflows/release-binaries.yml
index a5040b0d4f066..421b2251a0955 100644
--- a/.github/workflows/release-binaries.yml
+++ b/.github/workflows/release-binaries.yml
@@ -250,7 +250,7 @@ jobs:
             ${{ needs.prepare.outputs.target-cmake-flags }} \
             -C clang/cmake/caches/Release.cmake \
             -DBOOTSTRAP_LLVM_PARALLEL_LINK_JOBS=1 \
-            -DCMAKE_OBJECT_PATH_MAX=250 \
+            -DCMAKE_OBJECT_PATH_MAX=450 \
             -DBOOTSTRAP_BOOTSTRAP_CPACK_PACKAGE_FILE_NAME="${{ 
needs.prepare.outputs.release-binary-basename }}"
 
     - name: Build Unix

>From 15b9477abbbdd461b5bfd15878cc1d612bc6f240 Mon Sep 17 00:00:00 2001
From: Tom Stellard <tstel...@redhat.com>
Date: Tue, 12 Aug 2025 03:39:06 -0700
Subject: [PATCH 20/31] Check diskspace

---
 .github/workflows/release-binaries.yml | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/.github/workflows/release-binaries.yml 
b/.github/workflows/release-binaries.yml
index 421b2251a0955..b30fd79906aee 100644
--- a/.github/workflows/release-binaries.yml
+++ b/.github/workflows/release-binaries.yml
@@ -288,6 +288,11 @@ jobs:
       with:
         build-prefix: ${{ steps.setup-stage.outputs.build-prefix }}
 
+    - name: Check Disk
+      if: always()
+      run: |
+        Get-WmiObject -Class Win32_LogicalDisk -ComputerName <Server_Name> | ? 
{$_. DriveType -eq 3} | select DeviceID, {$_.Size /1GB}, {$_.FreeSpace /1GB}
+
   upload-release-binaries:
     name: "Upload Release Binaries"
     needs:

>From c4aa68d61e456146ea461b5b288860c4178afbe3 Mon Sep 17 00:00:00 2001
From: Tom Stellard <tstel...@redhat.com>
Date: Tue, 12 Aug 2025 13:01:05 -0700
Subject: [PATCH 21/31] Debug

---
 .github/workflows/release-binaries.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/release-binaries.yml 
b/.github/workflows/release-binaries.yml
index b30fd79906aee..a4b5f63f1af8a 100644
--- a/.github/workflows/release-binaries.yml
+++ b/.github/workflows/release-binaries.yml
@@ -291,7 +291,7 @@ jobs:
     - name: Check Disk
       if: always()
       run: |
-        Get-WmiObject -Class Win32_LogicalDisk -ComputerName <Server_Name> | ? 
{$_. DriveType -eq 3} | select DeviceID, {$_.Size /1GB}, {$_.FreeSpace /1GB}
+        Get-WmiObject -Class Win32_LogicalDisk -ComputerName LOCALHOST | ? 
{$_. DriveType -eq 3} | select DeviceID, {$_.Size /1GB}, {$_.FreeSpace /1GB}
 
   upload-release-binaries:
     name: "Upload Release Binaries"

>From f97b69ba7f61edd9bb59f5b5dab8c77465919d13 Mon Sep 17 00:00:00 2001
From: Tom Stellard <tstel...@redhat.com>
Date: Fri, 15 Aug 2025 14:45:30 -0700
Subject: [PATCH 22/31] Debug

---
 .github/workflows/release-binaries.yml | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/.github/workflows/release-binaries.yml 
b/.github/workflows/release-binaries.yml
index a4b5f63f1af8a..fcc2132107319 100644
--- a/.github/workflows/release-binaries.yml
+++ b/.github/workflows/release-binaries.yml
@@ -67,8 +67,10 @@ jobs:
       test-runs-on: ${{ steps.vars.outputs.build-runs-on }}
 
     steps:
-    - run: |
-        New-Item -Path 
"c:\actions-runner\llvm-project\llvm-project\build\tools\clang\tools\extra\clang-tidy\misc\ConfusableTable\CMakeFiles\clang-tidy-confusable-chars-gen.dir\C_\actions-runner\llvm-project\llvm-project\llvm"
 -ItemType Directory
+    - name: Check long paths
+      run: |
+        Get-ItemProperty -Path 
'HKLM:\SYSTEM\CurrentControlSet\Control\FileSystem' -Name 'LongPathsEnabled'
+        New-Item -Path 
"C:\actions-runner\llvm-project\llvm-project\build\tools\clang\stage2-instrumented-bins\tools\clang\stage2-bins\tools\mlir\tools\mlir-linalg-ods-gen\CMakeFiles\mlir-linalg-ods-yaml-gen.dir\C_\actions-runner\llvm-project\llvm-project\llvm\resources\windows_version_resource.rc.res"
 -ItemType File -Force
     # It's good practice to use setup-python, but this is also required on 
macos-14
     # due to https://github.com/actions/runner-images/issues/10385
     - uses: actions/setup-python@39cd14951b08e74b54015e9e001cdefcf80e669f
@@ -92,9 +94,6 @@ jobs:
       run: |
         ./llvm/utils/release/./github-upload-release.py --token 
"$GITHUB_TOKEN" --user "$GITHUB_ACTOR" --user-token "$USER_TOKEN" 
check-permissions
 
-    - name: Check long paths
-      run: |
-        Get-ItemProperty -Path 
'HKLM:\SYSTEM\CurrentControlSet\Control\FileSystem' -Name 'LongPathsEnabled'
     - name: Collect Variables
       id: vars
       shell: bash
@@ -203,6 +202,7 @@ jobs:
     - name: Check long paths
       run: |
         Get-ItemProperty -Path 
'HKLM:\SYSTEM\CurrentControlSet\Control\FileSystem' -Name 'LongPathsEnabled'
+        New-Item -Path 
"C:\actions-runner\llvm-project\llvm-project\build\tools\clang\stage2-instrumented-bins\tools\clang\stage2-bins\tools\mlir\tools\mlir-linalg-ods-gen\CMakeFiles\mlir-linalg-ods-yaml-gen.dir\C_\actions-runner\llvm-project\llvm-project\llvm\resources\windows_version_resource.rc.res"
 -ItemType File -Force
     - name: Checkout Actions
       uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
       with:

>From 4b16d69753f7fc5fec06e8ef1728771c1f8afb83 Mon Sep 17 00:00:00 2001
From: Tom Stellard <tstel...@redhat.com>
Date: Fri, 15 Aug 2025 14:50:38 -0700
Subject: [PATCH 23/31] Fix

---
 .github/workflows/release-binaries.yml | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/.github/workflows/release-binaries.yml 
b/.github/workflows/release-binaries.yml
index fcc2132107319..3f657a00de4b8 100644
--- a/.github/workflows/release-binaries.yml
+++ b/.github/workflows/release-binaries.yml
@@ -251,6 +251,8 @@ jobs:
             -C clang/cmake/caches/Release.cmake \
             -DBOOTSTRAP_LLVM_PARALLEL_LINK_JOBS=1 \
             -DCMAKE_OBJECT_PATH_MAX=450 \
+            -DBOOTSTRAP_CMAKE_OBJECT_PATH_MAX=450 \
+            -DBOOTSTRAP_BOOTSTRAP_CMAKE_OBJECT_PATH_MAX=450 \
             -DBOOTSTRAP_BOOTSTRAP_CPACK_PACKAGE_FILE_NAME="${{ 
needs.prepare.outputs.release-binary-basename }}"
 
     - name: Build Unix

>From db48c6abdf8aaa3aaeeed15a146d133a27616022 Mon Sep 17 00:00:00 2001
From: Tom Stellard <tstel...@redhat.com>
Date: Fri, 15 Aug 2025 16:32:05 -0700
Subject: [PATCH 24/31] Debug

---
 llvm/utils/lit/lit/TestRunner.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/llvm/utils/lit/lit/TestRunner.py b/llvm/utils/lit/lit/TestRunner.py
index 73db67aedb739..2e8fcccbadf8d 100644
--- a/llvm/utils/lit/lit/TestRunner.py
+++ b/llvm/utils/lit/lit/TestRunner.py
@@ -1078,6 +1078,7 @@ def executeScriptInternal(
     test, litConfig, tmpBase, commands, cwd, debug=True
 ) -> Tuple[str, str, int, Optional[str]]:
     cmds = []
+    print(test, commands)
     for i, ln in enumerate(commands):
         # Within lit, we try to always add '%dbg(...)' to command lines in 
order
         # to maximize debuggability.  However, custom lit test formats might 
not
@@ -1107,6 +1108,7 @@ def executeScriptInternal(
             ) from None
 
     cmd = cmds[0]
+    print(cmds)
     for c in cmds[1:]:
         cmd = ShUtil.Seq(cmd, "&&", c)
 

>From 9fe8287175ce81ba7c99dc41a5807862477c70c9 Mon Sep 17 00:00:00 2001
From: Tom Stellard <tstel...@redhat.com>
Date: Fri, 15 Aug 2025 16:38:14 -0700
Subject: [PATCH 25/31] Debug

---
 .github/workflows/release-binaries.yml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/.github/workflows/release-binaries.yml 
b/.github/workflows/release-binaries.yml
index 3f657a00de4b8..b79b5fdf27485 100644
--- a/.github/workflows/release-binaries.yml
+++ b/.github/workflows/release-binaries.yml
@@ -69,6 +69,7 @@ jobs:
     steps:
     - name: Check long paths
       run: |
+        Get-ChildItem -Path "C:\" -Recurse -Include "cmake.exe"
         Get-ItemProperty -Path 
'HKLM:\SYSTEM\CurrentControlSet\Control\FileSystem' -Name 'LongPathsEnabled'
         New-Item -Path 
"C:\actions-runner\llvm-project\llvm-project\build\tools\clang\stage2-instrumented-bins\tools\clang\stage2-bins\tools\mlir\tools\mlir-linalg-ods-gen\CMakeFiles\mlir-linalg-ods-yaml-gen.dir\C_\actions-runner\llvm-project\llvm-project\llvm\resources\windows_version_resource.rc.res"
 -ItemType File -Force
     # It's good practice to use setup-python, but this is also required on 
macos-14

>From 67c077576d14eedf72f5f54a4cb0a98827061ebc Mon Sep 17 00:00:00 2001
From: Tom Stellard <tstel...@redhat.com>
Date: Fri, 15 Aug 2025 17:27:22 -0700
Subject: [PATCH 26/31] Debug

---
 .github/workflows/release-binaries.yml | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/release-binaries.yml 
b/.github/workflows/release-binaries.yml
index b79b5fdf27485..1afc7266fa1b6 100644
--- a/.github/workflows/release-binaries.yml
+++ b/.github/workflows/release-binaries.yml
@@ -67,9 +67,15 @@ jobs:
       test-runs-on: ${{ steps.vars.outputs.build-runs-on }}
 
     steps:
+    - name: Bash Test
+      shell: bash
+      run: |
+        export PATH=C:\Strawberry\c\bin\:$PATH
+        cmake --version
+        which cmake
     - name: Check long paths
       run: |
-        Get-ChildItem -Path "C:\" -Recurse -Include "cmake.exe"
+        #Get-ChildItem -Path "C:\" -Recurse -Include "cmake.exe"
         Get-ItemProperty -Path 
'HKLM:\SYSTEM\CurrentControlSet\Control\FileSystem' -Name 'LongPathsEnabled'
         New-Item -Path 
"C:\actions-runner\llvm-project\llvm-project\build\tools\clang\stage2-instrumented-bins\tools\clang\stage2-bins\tools\mlir\tools\mlir-linalg-ods-gen\CMakeFiles\mlir-linalg-ods-yaml-gen.dir\C_\actions-runner\llvm-project\llvm-project\llvm\resources\windows_version_resource.rc.res"
 -ItemType File -Force
     # It's good practice to use setup-python, but this is also required on 
macos-14
@@ -247,6 +253,7 @@ jobs:
       run: |
         # There were some issues on the ARM64 MacOS runners with trying to 
build x86 object,
         # so we need to set some extra cmake flags to disable this.
+        export PATH=C:\Strawberry\c\bin\:$PATH
         cmake -G Ninja -S llvm -B ${{ steps.setup-stage.outputs.build-prefix 
}}/build \
             ${{ needs.prepare.outputs.target-cmake-flags }} \
             -C clang/cmake/caches/Release.cmake \

>From 45076725898e51f3635b1184a89c92781ec09d0d Mon Sep 17 00:00:00 2001
From: Tom Stellard <tstel...@redhat.com>
Date: Fri, 15 Aug 2025 17:32:20 -0700
Subject: [PATCH 27/31] Debug

---
 .github/workflows/release-binaries.yml | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/release-binaries.yml 
b/.github/workflows/release-binaries.yml
index 1afc7266fa1b6..22731a666fcc4 100644
--- a/.github/workflows/release-binaries.yml
+++ b/.github/workflows/release-binaries.yml
@@ -70,12 +70,13 @@ jobs:
     - name: Bash Test
       shell: bash
       run: |
-        export PATH=C:\Strawberry\c\bin\:$PATH
+        export 
PATH=C:\Strawberry\c\bin\:C:\Android\android-sdk\cmake\3.18.1\bin:$PATH
+        export PATH=/c/Strawberry/c/bin/:$PATH
         cmake --version
         which cmake
     - name: Check long paths
       run: |
-        #Get-ChildItem -Path "C:\" -Recurse -Include "cmake.exe"
+        Get-ChildItem -Path "C:\Strawberry\" -Recurse -Include "cmake.exe"
         Get-ItemProperty -Path 
'HKLM:\SYSTEM\CurrentControlSet\Control\FileSystem' -Name 'LongPathsEnabled'
         New-Item -Path 
"C:\actions-runner\llvm-project\llvm-project\build\tools\clang\stage2-instrumented-bins\tools\clang\stage2-bins\tools\mlir\tools\mlir-linalg-ods-gen\CMakeFiles\mlir-linalg-ods-yaml-gen.dir\C_\actions-runner\llvm-project\llvm-project\llvm\resources\windows_version_resource.rc.res"
 -ItemType File -Force
     # It's good practice to use setup-python, but this is also required on 
macos-14

>From 4d8a35ee63f4754bbaa667126c70abc0e2fb9223 Mon Sep 17 00:00:00 2001
From: Tom Stellard <tstel...@redhat.com>
Date: Fri, 15 Aug 2025 17:43:54 -0700
Subject: [PATCH 28/31] Debug

---
 .github/workflows/release-binaries.yml | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/release-binaries.yml 
b/.github/workflows/release-binaries.yml
index 22731a666fcc4..33dec7d3ea318 100644
--- a/.github/workflows/release-binaries.yml
+++ b/.github/workflows/release-binaries.yml
@@ -74,6 +74,7 @@ jobs:
         export PATH=/c/Strawberry/c/bin/:$PATH
         cmake --version
         which cmake
+        /c/Android/android-sdk/cmake/3.31.5/bin/cmake.exe --version
     - name: Check long paths
       run: |
         Get-ChildItem -Path "C:\Strawberry\" -Recurse -Include "cmake.exe"
@@ -251,11 +252,12 @@ jobs:
       shell: bash
       env:
         CCACHE_BIN: ${{ needs.prepare.outputs.ccache }}
+        CMAKE: /c/Android/android-sdk/cmake/3.31.5/bin/cmake.exe
       run: |
         # There were some issues on the ARM64 MacOS runners with trying to 
build x86 object,
         # so we need to set some extra cmake flags to disable this.
         export PATH=C:\Strawberry\c\bin\:$PATH
-        cmake -G Ninja -S llvm -B ${{ steps.setup-stage.outputs.build-prefix 
}}/build \
+        $CMAKE -G Ninja -S llvm -B ${{ steps.setup-stage.outputs.build-prefix 
}}/build \
             ${{ needs.prepare.outputs.target-cmake-flags }} \
             -C clang/cmake/caches/Release.cmake \
             -DBOOTSTRAP_LLVM_PARALLEL_LINK_JOBS=1 \

>From 631f52e1971508ff5f47d59f385957fe2b07fc6e Mon Sep 17 00:00:00 2001
From: Tom Stellard <tstel...@redhat.com>
Date: Fri, 15 Aug 2025 23:09:08 -0700
Subject: [PATCH 29/31] bash fix

---
 .github/workflows/release-binaries.yml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/.github/workflows/release-binaries.yml 
b/.github/workflows/release-binaries.yml
index 33dec7d3ea318..4aaa9376b181b 100644
--- a/.github/workflows/release-binaries.yml
+++ b/.github/workflows/release-binaries.yml
@@ -278,6 +278,7 @@ jobs:
     # ninja: error: 
mkdir(tools/clang/tools/extra/clang-tidy/misc/ConfusableTable/CMakeFiles/clang-tidy-confusable-chars-gen.dir/C_/actions-runner/llvm-project/llvm-project/llvm):
 No such file or directory
     - name: Build Windows
       if: runner.os == 'Windows'
+      shell: bash
       run: |
         ninja -v -C build stage2-package
     

>From 20c99f2d2b21cc74c7da6bf3947db47f1aa969ce Mon Sep 17 00:00:00 2001
From: Tom Stellard <tstel...@redhat.com>
Date: Fri, 15 Aug 2025 23:27:16 -0700
Subject: [PATCH 30/31] Fix space n cmake

---
 clang/utils/perf-training/llvm-support/build.test | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/clang/utils/perf-training/llvm-support/build.test 
b/clang/utils/perf-training/llvm-support/build.test
index 32ce9a870b91d..7b2a788c1362d 100644
--- a/clang/utils/perf-training/llvm-support/build.test
+++ b/clang/utils/perf-training/llvm-support/build.test
@@ -1,2 +1,2 @@
-RUN: %cmake -G %cmake_generator -B %t -S %llvm_src_dir %cmake_compiler_args 
-DCMAKE_BUILD_TYPE=Release
+RUN: %^cmake -G %cmake_generator -B %t -S %llvm_src_dir %cmake_compiler_args 
-DCMAKE_BUILD_TYPE=Release
 RUN: %perf_wrapper %cmake --build %t -v --target LLVMSupport

>From 3217df37049a6230710d02e1f9f3df8373422a64 Mon Sep 17 00:00:00 2001
From: Tom Stellard <tstel...@redhat.com>
Date: Sat, 16 Aug 2025 09:37:02 -0700
Subject: [PATCH 31/31] Fix

---
 clang/utils/perf-training/llvm-support/build.test | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/clang/utils/perf-training/llvm-support/build.test 
b/clang/utils/perf-training/llvm-support/build.test
index 7b2a788c1362d..eaf35b992d034 100644
--- a/clang/utils/perf-training/llvm-support/build.test
+++ b/clang/utils/perf-training/llvm-support/build.test
@@ -1,2 +1,2 @@
-RUN: %^cmake -G %cmake_generator -B %t -S %llvm_src_dir %cmake_compiler_args 
-DCMAKE_BUILD_TYPE=Release
+RUN: {%cmake} -G %cmake_generator -B %t -S %llvm_src_dir %cmake_compiler_args 
-DCMAKE_BUILD_TYPE=Release
 RUN: %perf_wrapper %cmake --build %t -v --target LLVMSupport

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