Hello -

I believe this test is in error.  The Flang source was modified to correctly 
report that IEEE_OTHER is not supported (see flang/docs/Extensions.md).  
Otherwise, what processor was this running on?  Does it support IEEE_OTHER?

Thanks
Kevin Wyatt
[email protected]

-----Original Message-----
From: [email protected] <[email protected]> 
Sent: Saturday, May 16, 2026 12:39 AM
To: [email protected]
Cc: [email protected]; Wyatt, Kevin <[email protected]>
Subject: [Linaro-TCWG-CI] llvmorg-23-init-15424-g3def12d2a418: 1 regression on 
aarch64

Dear contributor,

Our automatic CI has detected problems related to your patch(es). Please find 
some details below.

In tcwg_flang_test/main-aarch64-O3-neoverse_v1-sve_vla-mpipeliner-stack_arrays, 
after:
  | commit llvmorg-23-init-15424-g3def12d2a418
  | Author: kwyatt-ext <[email protected]>
  | Date:   Thu May 14 13:17:40 2026 -0500
  | 
  |     [flang] Corrected constant folding for IEEE_OTHER in 
IEEE_SUPPORT_ROUNDING (#197534)
  |     
  |     Modified to report expected value of FALSE for constant folded
  |     IEEE_OTHER support.
  |     
  | ... 1 lines of the commit log omitted.

Produces 1 regression:
  | 
  | regressions.sum:
  | Running test-suite:Fujitsu/Fortran/0923 ...
  | FAIL: test-suite :: Fujitsu/Fortran/0923/Fujitsu-Fortran-0923_0004.test
  | # "FAIL" means : the execution of the compiled binary failed / output of 
the binary differs from the expected one

Used configuration :
  * Toolchain : cmake -G Ninja  ../llvm/llvm 
"-DLLVM_ENABLE_PROJECTS=clang;lld;flang;clang-tools-extra"           
"-DLLVM_ENABLE_RUNTIMES=openmp"         -DCMAKE_BUILD_TYPE=Release 
-DLLVM_ENABLE_ASSERTIONS=True        -DCMAKE_INSTALL_PREFIX=../llvm-install     
     "-DLLVM_TARGETS_TO_BUILD=AArch64" -DCLANG_DEFAULT_LINKER=lld
  * Testsuite : export 
LD_LIBRARY_PATH=$\WORKSPACE/llvm-install/lib/aarch64-unknown-linux-gnu$\{LD_LIBRARY_PATH:+:$\LD_LIBRARY_PATH}
 cmake -GNinja  -DCMAKE_C_COMPILER="$\WORKSPACE/llvm-install/bin2/clang"        
-DCMAKE_CXX_COMPILER="$\WORKSPACE/llvm-install/bin2/clang++"    
-DCMAKE_Fortran_COMPILER="$\WORKSPACE/llvm-install/bin2/flang-new"      
-DCMAKE_BUILD_TYPE=Release      -DCMAKE_C_FLAGS= -DCMAKE_CXX_FLAGS= 
-DCMAKE_Fortran_FLAGS=      -DCMAKE_C_FLAGS_RELEASE="-O3 -mcpu=neoverse-v1 
-msve-vector-bits=scalable -mllvm -scalable-vectorization=preferred -mllvm 
-aarch64-enable-pipeliner -mllvm -pipeliner-mve-cg -DNDEBUG"  
-DCMAKE_CXX_FLAGS_RELEASE="-O3 -mcpu=neoverse-v1 -msve-vector-bits=scalable 
-mllvm -scalable-vectorization=preferred -mllvm -aarch64-enable-pipeliner 
-mllvm -pipeliner-mve-cg -DNDEBUG"        -DCMAKE_Fortran_FLAGS_RELEASE="-O3 
-mcpu=neoverse-v1 -msve-vector-bits=scalable -mllvm 
-scalable-vectorization=preferred -mllvm -aarch64-enable-pipeliner -mllvm 
-pipeliner-mve-cg -DNDEBUG -fstack-arrays"         -DTEST_SUITE_FORTRAN=ON 
-DTEST_SUITE_SUBDIRS=Fujitsu        "$\WORKSPACE/test/test-suite"

We track this bug report under 
https://urldefense.com/v3/__https://linaro.atlassian.net/browse/LLVM-2219__;!!NpxR!hrfXgTLS9J5in7de4DNfEdq67xhJgudnDTwgj8qOF2wn_wqqIg__7wcXzhIvx2ExTi5B53x7AFVpUn1O39XXvg$
 . Please let us know if you have a fix.

If you have any questions regarding this report, please ask on 
[email protected] mailing list.

-----------------8<--------------------------8<--------------------------8<--------------------------

The information below contains the details of the failures, and the ways to 
reproduce a debug environment:

You can find the failure logs in *.log.1.xz files in
 * 
https://urldefense.com/v3/__http://54.172.246.49:9090/jobs/tcwg_flang_test--main-aarch64-O3-neoverse_v1-sve_vla-mpipeliner-stack_arrays-build/builds/10226/archive/artifacts/00-sumfiles/__;!!NpxR!hrfXgTLS9J5in7de4DNfEdq67xhJgudnDTwgj8qOF2wn_wqqIg__7wcXzhIvx2ExTi5B53x7AFVpUn2qholehw$
 
The full lists of regressions and improvements as well as configure and make 
commands are in
 * 
https://urldefense.com/v3/__http://54.172.246.49:9090/jobs/tcwg_flang_test--main-aarch64-O3-neoverse_v1-sve_vla-mpipeliner-stack_arrays-build/builds/10226/archive/artifacts/notify/__;!!NpxR!hrfXgTLS9J5in7de4DNfEdq67xhJgudnDTwgj8qOF2wn_wqqIg__7wcXzhIvx2ExTi5B53x7AFVpUn3Z-VaJlw$
 
The list of [ignored] baseline and flaky failures are in
 * 
https://urldefense.com/v3/__http://54.172.246.49:9090/jobs/tcwg_flang_test--main-aarch64-O3-neoverse_v1-sve_vla-mpipeliner-stack_arrays-build/builds/10226/archive/artifacts/sumfiles/xfails.xfail__;!!NpxR!hrfXgTLS9J5in7de4DNfEdq67xhJgudnDTwgj8qOF2wn_wqqIg__7wcXzhIvx2ExTi5B53x7AFVpUn3dm33BzA$
 

Fujitsu testsuite : https://github.com/fujitsu/compiler-test-suite/ 

Current build   : 
https://urldefense.com/v3/__http://54.172.246.49:9090/jobs/tcwg_flang_test--main-aarch64-O3-neoverse_v1-sve_vla-mpipeliner-stack_arrays-build/builds/10226/archive/artifacts/__;!!NpxR!hrfXgTLS9J5in7de4DNfEdq67xhJgudnDTwgj8qOF2wn_wqqIg__7wcXzhIvx2ExTi5B53x7AFVpUn2RxZdYGw$
 
Reference build : 
https://urldefense.com/v3/__http://54.172.246.49:9090/jobs/tcwg_flang_test--main-aarch64-O3-neoverse_v1-sve_vla-mpipeliner-stack_arrays-build/builds/10225/archive/artifacts/__;!!NpxR!hrfXgTLS9J5in7de4DNfEdq67xhJgudnDTwgj8qOF2wn_wqqIg__7wcXzhIvx2ExTi5B53x7AFVpUn2B8pNWqw$
 

Instruction to reproduce the build : 
https://urldefense.com/v3/__https://gitlab.com/LinaroLtd/tcwg/ci/interesting-commits/-/raw/master/llvm/sha1/3def12d2a418f8e49f0b88ddf9070aff96e95ac0/tcwg_flang_test/main-aarch64-O3-neoverse_v1-sve_vla-mpipeliner-stack_arrays/reproduction_instructions.txt__;!!NpxR!hrfXgTLS9J5in7de4DNfEdq67xhJgudnDTwgj8qOF2wn_wqqIg__7wcXzhIvx2ExTi5B53x7AFVpUn2HI8T2bA$
 

Full commit : 
https://github.com/llvm/llvm-project/commit/3def12d2a418f8e49f0b88ddf9070aff96e95ac0
 
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