Prabhuk wrote:
I am part of a toolchain team at Google and we are seeing clang test failures
in our toolchain builders from this PR.
```
Exit Code: 1
Command Output (stderr):
--
/b/s/w/ir/x/w/llvm_build/bin/clang -cc1 -internal-isystem
/b/s/w/ir/x/w/llvm_build/lib/clang/21/include -nostdsysteminc -mllvm
-debug-only=LifetimeFacts -Wexperimental-lifetime-safety
/b/s/w/ir/x/w/llvm-llvm-project/clang/test/Sema/warn-lifetime-safety-dataflow.cpp
2>&1 | /b/s/w/ir/x/w/llvm_build/bin/FileCheck
/b/s/w/ir/x/w/llvm-llvm-project/clang/test/Sema/warn-lifetime-safety-dataflow.cpp
# RUN: at line 1
+ /b/s/w/ir/x/w/llvm_build/bin/clang -cc1 -internal-isystem
/b/s/w/ir/x/w/llvm_build/lib/clang/21/include -nostdsysteminc -mllvm
-debug-only=LifetimeFacts -Wexperimental-lifetime-safety
/b/s/w/ir/x/w/llvm-llvm-project/clang/test/Sema/warn-lifetime-safety-dataflow.cpp
+ /b/s/w/ir/x/w/llvm_build/bin/FileCheck
/b/s/w/ir/x/w/llvm-llvm-project/clang/test/Sema/warn-lifetime-safety-dataflow.cpp
/b/s/w/ir/x/w/llvm-llvm-project/clang/test/Sema/warn-lifetime-safety-dataflow.cpp:9:17:
error: CHECK-LABEL: expected string not found in input
// CHECK-LABEL: Function: return_local_addr
^
<stdin>:1:1: note: scanning from here
clang (LLVM option parsing): Unknown command line argument
'-debug-only=LifetimeFacts'. Try: 'clang (LLVM option parsing) --help'
^
<stdin>:1:105: note: possible intended match here
clang (LLVM option parsing): Unknown command line argument
'-debug-only=LifetimeFacts'. Try: 'clang (LLVM option parsing) --help'
^
Input file: <stdin>
Check file:
/b/s/w/ir/x/w/llvm-llvm-project/clang/test/Sema/warn-lifetime-safety-dataflow.cpp
-dump-input=help explains the following input dump.
Input was:
<<<<<<
1: clang (LLVM option parsing): Unknown command line argument
'-debug-only=LifetimeFacts'. Try: 'clang (LLVM option parsing) --help'
label:9'0
X~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
error: no match found
label:9'1
? possible
intended match
2: clang (LLVM option parsing): Did you mean
'--debug-pass=LifetimeFacts'?
label:9'0
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>>>>>>
--
```
I am taking a closer look. Here are the logs:
https://logs.chromium.org/logs/fuchsia/buildbucket/cr-buildbucket/8709695680348159649/+/u/clang/tests/stdout
https://github.com/llvm/llvm-project/pull/142313
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