[clang] [Clang] Fix export declaration diagnostic message (PR #149059)

[LLVM Continuous Integration via cfe-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `sanitizer-aarch64-linux` running on `sanitizer-buildbot8` while building `clang` at step 2 "annotate".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/51/builds/19953

<details>
<summary>Here is the relevant piece of the build log for the reference</summary>

```
Step 2 (annotate) failure: 'python ../sanitizer_buildbot/sanitizers/zorg/buildbot/builders/sanitizers/buildbot_selector.py' (failure)
...
llvm-lit: /home/b/sanitizer-aarch64-linux/build/llvm-project/compiler-rt/test/lit.common.cfg.py:60: warning: Path reported by clang does not exist: "/home/b/sanitizer-aarch64-linux/build/compiler_rt_build/lib/aarch64-unknown-linux-gnu". This path was found by running ['/home/b/sanitizer-aarch64-linux/build/build_default/bin/clang', '--target=aarch64-unknown-linux-gnu', '-Wthread-safety', '-Wthread-safety-reference', '-Wthread-safety-beta', '-nobuiltininc', '-I/home/b/sanitizer-aarch64-linux/build/llvm-project/compiler-rt/include', '-idirafter', '/home/b/sanitizer-aarch64-linux/build/build_default/lib/clang/22/include', '-resource-dir=/home/b/sanitizer-aarch64-linux/build/compiler_rt_build', '-Wl,-rpath,/home/b/sanitizer-aarch64-linux/build/compiler_rt_build/lib/linux', '-print-runtime-dir'].
llvm-lit: /home/b/sanitizer-aarch64-linux/build/llvm-project/compiler-rt/test/lit.common.cfg.py:60: warning: Path reported by clang does not exist: "/home/b/sanitizer-aarch64-linux/build/compiler_rt_build/lib/aarch64-unknown-linux-gnu". This path was found by running ['/home/b/sanitizer-aarch64-linux/build/build_default/bin/clang', '--target=aarch64-unknown-linux-gnu', '-Wthread-safety', '-Wthread-safety-reference', '-Wthread-safety-beta', '-nobuiltininc', '-I/home/b/sanitizer-aarch64-linux/build/llvm-project/compiler-rt/include', '-idirafter', '/home/b/sanitizer-aarch64-linux/build/build_default/lib/clang/22/include', '-resource-dir=/home/b/sanitizer-aarch64-linux/build/compiler_rt_build', '-Wl,-rpath,/home/b/sanitizer-aarch64-linux/build/compiler_rt_build/lib/linux', '-print-runtime-dir'].
llvm-lit: /home/b/sanitizer-aarch64-linux/build/llvm-project/compiler-rt/test/lit.common.cfg.py:60: warning: Path reported by clang does not exist: "/home/b/sanitizer-aarch64-linux/build/compiler_rt_build/lib/aarch64-unknown-linux-gnu". This path was found by running ['/home/b/sanitizer-aarch64-linux/build/build_default/bin/clang', '--target=aarch64-unknown-linux-gnu', '-Wthread-safety', '-Wthread-safety-reference', '-Wthread-safety-beta', '-nobuiltininc', '-I/home/b/sanitizer-aarch64-linux/build/llvm-project/compiler-rt/include', '-idirafter', '/home/b/sanitizer-aarch64-linux/build/build_default/lib/clang/22/include', '-resource-dir=/home/b/sanitizer-aarch64-linux/build/compiler_rt_build', '-Wl,-rpath,/home/b/sanitizer-aarch64-linux/build/compiler_rt_build/lib/linux', '-print-runtime-dir'].
llvm-lit: /home/b/sanitizer-aarch64-linux/build/llvm-project/compiler-rt/test/lit.common.cfg.py:60: warning: Path reported by clang does not exist: "/home/b/sanitizer-aarch64-linux/build/compiler_rt_build/lib/aarch64-unknown-linux-gnu". This path was found by running ['/home/b/sanitizer-aarch64-linux/build/build_default/bin/clang', '--target=aarch64-unknown-linux-gnu', '-Wthread-safety', '-Wthread-safety-reference', '-Wthread-safety-beta', '-nobuiltininc', '-I/home/b/sanitizer-aarch64-linux/build/llvm-project/compiler-rt/include', '-idirafter', '/home/b/sanitizer-aarch64-linux/build/build_default/lib/clang/22/include', '-resource-dir=/home/b/sanitizer-aarch64-linux/build/compiler_rt_build', '-Wl,-rpath,/home/b/sanitizer-aarch64-linux/build/compiler_rt_build/lib/linux', '-print-runtime-dir'].
llvm-lit: /home/b/sanitizer-aarch64-linux/build/llvm-project/compiler-rt/test/lit.common.cfg.py:60: warning: Path reported by clang does not exist: "/home/b/sanitizer-aarch64-linux/build/compiler_rt_build/lib/aarch64-unknown-linux-gnu". This path was found by running ['/home/b/sanitizer-aarch64-linux/build/build_default/bin/clang', '--target=aarch64-unknown-linux-gnu', '-Wthread-safety', '-Wthread-safety-reference', '-Wthread-safety-beta', '-nobuiltininc', '-I/home/b/sanitizer-aarch64-linux/build/llvm-project/compiler-rt/include', '-idirafter', '/home/b/sanitizer-aarch64-linux/build/build_default/lib/clang/22/include', '-resource-dir=/home/b/sanitizer-aarch64-linux/build/compiler_rt_build', '-Wl,-rpath,/home/b/sanitizer-aarch64-linux/build/compiler_rt_build/lib/linux', '-print-runtime-dir'].
llvm-lit: /home/b/sanitizer-aarch64-linux/build/llvm-project/compiler-rt/test/lit.common.cfg.py:60: warning: Path reported by clang does not exist: "/home/b/sanitizer-aarch64-linux/build/compiler_rt_build/lib/aarch64-unknown-linux-gnu". This path was found by running ['/home/b/sanitizer-aarch64-linux/build/build_default/bin/clang', '--target=aarch64-unknown-linux-gnu', '-Wthread-safety', '-Wthread-safety-reference', '-Wthread-safety-beta', '-nobuiltininc', '-I/home/b/sanitizer-aarch64-linux/build/llvm-project/compiler-rt/include', '-idirafter', '/home/b/sanitizer-aarch64-linux/build/build_default/lib/clang/22/include', '-resource-dir=/home/b/sanitizer-aarch64-linux/build/compiler_rt_build', '-Wl,-rpath,/home/b/sanitizer-aarch64-linux/build/compiler_rt_build/lib/linux', '-print-runtime-dir'].
llvm-lit: /home/b/sanitizer-aarch64-linux/build/llvm-project/compiler-rt/test/lit.common.cfg.py:60: warning: Path reported by clang does not exist: "/home/b/sanitizer-aarch64-linux/build/compiler_rt_build/lib/aarch64-unknown-linux-gnu". This path was found by running ['/home/b/sanitizer-aarch64-linux/build/build_default/bin/clang', '--target=aarch64-unknown-linux-gnu', '-Wthread-safety', '-Wthread-safety-reference', '-Wthread-safety-beta', '-nobuiltininc', '-I/home/b/sanitizer-aarch64-linux/build/llvm-project/compiler-rt/include', '-idirafter', '/home/b/sanitizer-aarch64-linux/build/build_default/lib/clang/22/include', '-resource-dir=/home/b/sanitizer-aarch64-linux/build/compiler_rt_build', '-Wl,-rpath,/home/b/sanitizer-aarch64-linux/build/compiler_rt_build/lib/linux', '-print-runtime-dir'].
llvm-lit: /home/b/sanitizer-aarch64-linux/build/llvm-project/llvm/utils/lit/lit/main.py:73: note: The test suite configuration requested an individual test timeout of 0 seconds but a timeout of 900 seconds was requested on the command line. Forcing timeout to be 900 seconds.
-- Testing: 5764 tests, 72 workers --
Testing:  0.. 10.. 20.. 30..
FAIL: MemorySanitizer-AARCH64 :: heap-origin.cpp (2232 of 5764)
******************** TEST 'MemorySanitizer-AARCH64 :: heap-origin.cpp' FAILED ********************
Exit Code: 1

Command Output (stderr):
--
/home/b/sanitizer-aarch64-linux/build/build_default/bin/clang  --driver-mode=g++ -fsanitize=memory -mno-omit-leaf-frame-pointer -fno-omit-frame-pointer -fno-optimize-sibling-calls   -Wthread-safety -Wthread-safety-reference -Wthread-safety-beta  -nobuiltininc -I/home/b/sanitizer-aarch64-linux/build/llvm-project/compiler-rt/include -idirafter /home/b/sanitizer-aarch64-linux/build/build_default/lib/clang/22/include -resource-dir=/home/b/sanitizer-aarch64-linux/build/compiler_rt_build -Wl,-rpath,/home/b/sanitizer-aarch64-linux/build/compiler_rt_build/lib/linux  -gline-tables-only -O0 /home/b/sanitizer-aarch64-linux/build/llvm-project/compiler-rt/test/msan/heap-origin.cpp -o /home/b/sanitizer-aarch64-linux/build/compiler_rt_build/test/msan/AARCH64/Output/heap-origin.cpp.tmp && not  /home/b/sanitizer-aarch64-linux/build/compiler_rt_build/test/msan/AARCH64/Output/heap-origin.cpp.tmp >/home/b/sanitizer-aarch64-linux/build/compiler_rt_build/test/msan/AARCH64/Output/heap-origin.cpp.tmp.out 2>&1 # RUN: at line 1
+ /home/b/sanitizer-aarch64-linux/build/build_default/bin/clang --driver-mode=g++ -fsanitize=memory -mno-omit-leaf-frame-pointer -fno-omit-frame-pointer -fno-optimize-sibling-calls -Wthread-safety -Wthread-safety-reference -Wthread-safety-beta -nobuiltininc -I/home/b/sanitizer-aarch64-linux/build/llvm-project/compiler-rt/include -idirafter /home/b/sanitizer-aarch64-linux/build/build_default/lib/clang/22/include -resource-dir=/home/b/sanitizer-aarch64-linux/build/compiler_rt_build -Wl,-rpath,/home/b/sanitizer-aarch64-linux/build/compiler_rt_build/lib/linux -gline-tables-only -O0 /home/b/sanitizer-aarch64-linux/build/llvm-project/compiler-rt/test/msan/heap-origin.cpp -o /home/b/sanitizer-aarch64-linux/build/compiler_rt_build/test/msan/AARCH64/Output/heap-origin.cpp.tmp
+ not /home/b/sanitizer-aarch64-linux/build/compiler_rt_build/test/msan/AARCH64/Output/heap-origin.cpp.tmp
FileCheck /home/b/sanitizer-aarch64-linux/build/llvm-project/compiler-rt/test/msan/heap-origin.cpp < /home/b/sanitizer-aarch64-linux/build/compiler_rt_build/test/msan/AARCH64/Output/heap-origin.cpp.tmp.out # RUN: at line 2
+ FileCheck /home/b/sanitizer-aarch64-linux/build/llvm-project/compiler-rt/test/msan/heap-origin.cpp
/home/b/sanitizer-aarch64-linux/build/build_default/bin/clang  --driver-mode=g++ -fsanitize=memory -mno-omit-leaf-frame-pointer -fno-omit-frame-pointer -fno-optimize-sibling-calls   -Wthread-safety -Wthread-safety-reference -Wthread-safety-beta  -nobuiltininc -I/home/b/sanitizer-aarch64-linux/build/llvm-project/compiler-rt/include -idirafter /home/b/sanitizer-aarch64-linux/build/build_default/lib/clang/22/include -resource-dir=/home/b/sanitizer-aarch64-linux/build/compiler_rt_build -Wl,-rpath,/home/b/sanitizer-aarch64-linux/build/compiler_rt_build/lib/linux  -gline-tables-only -O1 /home/b/sanitizer-aarch64-linux/build/llvm-project/compiler-rt/test/msan/heap-origin.cpp -o /home/b/sanitizer-aarch64-linux/build/compiler_rt_build/test/msan/AARCH64/Output/heap-origin.cpp.tmp && not  /home/b/sanitizer-aarch64-linux/build/compiler_rt_build/test/msan/AARCH64/Output/heap-origin.cpp.tmp >/home/b/sanitizer-aarch64-linux/build/compiler_rt_build/test/msan/AARCH64/Output/heap-origin.cpp.tmp.out 2>&1 # RUN: at line 3
+ /home/b/sanitizer-aarch64-linux/build/build_default/bin/clang --driver-mode=g++ -fsanitize=memory -mno-omit-leaf-frame-pointer -fno-omit-frame-pointer -fno-optimize-sibling-calls -Wthread-safety -Wthread-safety-reference -Wthread-safety-beta -nobuiltininc -I/home/b/sanitizer-aarch64-linux/build/llvm-project/compiler-rt/include -idirafter /home/b/sanitizer-aarch64-linux/build/build_default/lib/clang/22/include -resource-dir=/home/b/sanitizer-aarch64-linux/build/compiler_rt_build -Wl,-rpath,/home/b/sanitizer-aarch64-linux/build/compiler_rt_build/lib/linux -gline-tables-only -O1 /home/b/sanitizer-aarch64-linux/build/llvm-project/compiler-rt/test/msan/heap-origin.cpp -o /home/b/sanitizer-aarch64-linux/build/compiler_rt_build/test/msan/AARCH64/Output/heap-origin.cpp.tmp
+ not /home/b/sanitizer-aarch64-linux/build/compiler_rt_build/test/msan/AARCH64/Output/heap-origin.cpp.tmp
FileCheck /home/b/sanitizer-aarch64-linux/build/llvm-project/compiler-rt/test/msan/heap-origin.cpp < /home/b/sanitizer-aarch64-linux/build/compiler_rt_build/test/msan/AARCH64/Output/heap-origin.cpp.tmp.out # RUN: at line 4
+ FileCheck /home/b/sanitizer-aarch64-linux/build/llvm-project/compiler-rt/test/msan/heap-origin.cpp
/home/b/sanitizer-aarch64-linux/build/llvm-project/compiler-rt/test/msan/heap-origin.cpp:24:12: error: CHECK: expected string not found in input
 // CHECK: {{#0 0x.* in main .*heap-origin.cpp:}}[[@LINE-2]]
           ^
<stdin>:1:64: note: scanning from here
==1030218==WARNING: MemorySanitizer: use-of-uninitialized-value
                                                               ^
<stdin>:1:64: note: with "@LINE-2" equal to "22"
==1030218==WARNING: MemorySanitizer: use-of-uninitialized-value
                                                               ^
<stdin>:4:84: note: possible intended match here
 #0 0xaf3b852c9e24 (/home/b/sanitizer-aarch64-linux/build/compiler_rt_build/test/msan/AARCH64/Output/heap-origin.cpp.tmp+0x119e24)
                                                                                   ^

Input file: <stdin>
Check file: /home/b/sanitizer-aarch64-linux/build/llvm-project/compiler-rt/test/msan/heap-origin.cpp

-dump-input=help explains the following input dump.

Input was:
<<<<<<
            1: ==1030218==WARNING: MemorySanitizer: use-of-uninitialized-value 
check:24'0                                                                    X error: no match found
check:24'1                                                                      with "@LINE-2" equal to "22"
Step 16 (test standalone compiler-rt) failure: test standalone compiler-rt (failure)
...
llvm-lit: /home/b/sanitizer-aarch64-linux/build/llvm-project/compiler-rt/test/lit.common.cfg.py:60: warning: Path reported by clang does not exist: "/home/b/sanitizer-aarch64-linux/build/compiler_rt_build/lib/aarch64-unknown-linux-gnu". This path was found by running ['/home/b/sanitizer-aarch64-linux/build/build_default/bin/clang', '--target=aarch64-unknown-linux-gnu', '-Wthread-safety', '-Wthread-safety-reference', '-Wthread-safety-beta', '-nobuiltininc', '-I/home/b/sanitizer-aarch64-linux/build/llvm-project/compiler-rt/include', '-idirafter', '/home/b/sanitizer-aarch64-linux/build/build_default/lib/clang/22/include', '-resource-dir=/home/b/sanitizer-aarch64-linux/build/compiler_rt_build', '-Wl,-rpath,/home/b/sanitizer-aarch64-linux/build/compiler_rt_build/lib/linux', '-print-runtime-dir'].
llvm-lit: /home/b/sanitizer-aarch64-linux/build/llvm-project/compiler-rt/test/lit.common.cfg.py:60: warning: Path reported by clang does not exist: "/home/b/sanitizer-aarch64-linux/build/compiler_rt_build/lib/aarch64-unknown-linux-gnu". This path was found by running ['/home/b/sanitizer-aarch64-linux/build/build_default/bin/clang', '--target=aarch64-unknown-linux-gnu', '-Wthread-safety', '-Wthread-safety-reference', '-Wthread-safety-beta', '-nobuiltininc', '-I/home/b/sanitizer-aarch64-linux/build/llvm-project/compiler-rt/include', '-idirafter', '/home/b/sanitizer-aarch64-linux/build/build_default/lib/clang/22/include', '-resource-dir=/home/b/sanitizer-aarch64-linux/build/compiler_rt_build', '-Wl,-rpath,/home/b/sanitizer-aarch64-linux/build/compiler_rt_build/lib/linux', '-print-runtime-dir'].
llvm-lit: /home/b/sanitizer-aarch64-linux/build/llvm-project/compiler-rt/test/lit.common.cfg.py:60: warning: Path reported by clang does not exist: "/home/b/sanitizer-aarch64-linux/build/compiler_rt_build/lib/aarch64-unknown-linux-gnu". This path was found by running ['/home/b/sanitizer-aarch64-linux/build/build_default/bin/clang', '--target=aarch64-unknown-linux-gnu', '-Wthread-safety', '-Wthread-safety-reference', '-Wthread-safety-beta', '-nobuiltininc', '-I/home/b/sanitizer-aarch64-linux/build/llvm-project/compiler-rt/include', '-idirafter', '/home/b/sanitizer-aarch64-linux/build/build_default/lib/clang/22/include', '-resource-dir=/home/b/sanitizer-aarch64-linux/build/compiler_rt_build', '-Wl,-rpath,/home/b/sanitizer-aarch64-linux/build/compiler_rt_build/lib/linux', '-print-runtime-dir'].
llvm-lit: /home/b/sanitizer-aarch64-linux/build/llvm-project/compiler-rt/test/lit.common.cfg.py:60: warning: Path reported by clang does not exist: "/home/b/sanitizer-aarch64-linux/build/compiler_rt_build/lib/aarch64-unknown-linux-gnu". This path was found by running ['/home/b/sanitizer-aarch64-linux/build/build_default/bin/clang', '--target=aarch64-unknown-linux-gnu', '-Wthread-safety', '-Wthread-safety-reference', '-Wthread-safety-beta', '-nobuiltininc', '-I/home/b/sanitizer-aarch64-linux/build/llvm-project/compiler-rt/include', '-idirafter', '/home/b/sanitizer-aarch64-linux/build/build_default/lib/clang/22/include', '-resource-dir=/home/b/sanitizer-aarch64-linux/build/compiler_rt_build', '-Wl,-rpath,/home/b/sanitizer-aarch64-linux/build/compiler_rt_build/lib/linux', '-print-runtime-dir'].
llvm-lit: /home/b/sanitizer-aarch64-linux/build/llvm-project/compiler-rt/test/lit.common.cfg.py:60: warning: Path reported by clang does not exist: "/home/b/sanitizer-aarch64-linux/build/compiler_rt_build/lib/aarch64-unknown-linux-gnu". This path was found by running ['/home/b/sanitizer-aarch64-linux/build/build_default/bin/clang', '--target=aarch64-unknown-linux-gnu', '-Wthread-safety', '-Wthread-safety-reference', '-Wthread-safety-beta', '-nobuiltininc', '-I/home/b/sanitizer-aarch64-linux/build/llvm-project/compiler-rt/include', '-idirafter', '/home/b/sanitizer-aarch64-linux/build/build_default/lib/clang/22/include', '-resource-dir=/home/b/sanitizer-aarch64-linux/build/compiler_rt_build', '-Wl,-rpath,/home/b/sanitizer-aarch64-linux/build/compiler_rt_build/lib/linux', '-print-runtime-dir'].
llvm-lit: /home/b/sanitizer-aarch64-linux/build/llvm-project/compiler-rt/test/lit.common.cfg.py:60: warning: Path reported by clang does not exist: "/home/b/sanitizer-aarch64-linux/build/compiler_rt_build/lib/aarch64-unknown-linux-gnu". This path was found by running ['/home/b/sanitizer-aarch64-linux/build/build_default/bin/clang', '--target=aarch64-unknown-linux-gnu', '-Wthread-safety', '-Wthread-safety-reference', '-Wthread-safety-beta', '-nobuiltininc', '-I/home/b/sanitizer-aarch64-linux/build/llvm-project/compiler-rt/include', '-idirafter', '/home/b/sanitizer-aarch64-linux/build/build_default/lib/clang/22/include', '-resource-dir=/home/b/sanitizer-aarch64-linux/build/compiler_rt_build', '-Wl,-rpath,/home/b/sanitizer-aarch64-linux/build/compiler_rt_build/lib/linux', '-print-runtime-dir'].
llvm-lit: /home/b/sanitizer-aarch64-linux/build/llvm-project/compiler-rt/test/lit.common.cfg.py:60: warning: Path reported by clang does not exist: "/home/b/sanitizer-aarch64-linux/build/compiler_rt_build/lib/aarch64-unknown-linux-gnu". This path was found by running ['/home/b/sanitizer-aarch64-linux/build/build_default/bin/clang', '--target=aarch64-unknown-linux-gnu', '-Wthread-safety', '-Wthread-safety-reference', '-Wthread-safety-beta', '-nobuiltininc', '-I/home/b/sanitizer-aarch64-linux/build/llvm-project/compiler-rt/include', '-idirafter', '/home/b/sanitizer-aarch64-linux/build/build_default/lib/clang/22/include', '-resource-dir=/home/b/sanitizer-aarch64-linux/build/compiler_rt_build', '-Wl,-rpath,/home/b/sanitizer-aarch64-linux/build/compiler_rt_build/lib/linux', '-print-runtime-dir'].
llvm-lit: /home/b/sanitizer-aarch64-linux/build/llvm-project/llvm/utils/lit/lit/main.py:73: note: The test suite configuration requested an individual test timeout of 0 seconds but a timeout of 900 seconds was requested on the command line. Forcing timeout to be 900 seconds.
-- Testing: 5764 tests, 72 workers --
Testing:  0.. 10.. 20.. 30..
FAIL: MemorySanitizer-AARCH64 :: heap-origin.cpp (2232 of 5764)
******************** TEST 'MemorySanitizer-AARCH64 :: heap-origin.cpp' FAILED ********************
Exit Code: 1

Command Output (stderr):
--
/home/b/sanitizer-aarch64-linux/build/build_default/bin/clang  --driver-mode=g++ -fsanitize=memory -mno-omit-leaf-frame-pointer -fno-omit-frame-pointer -fno-optimize-sibling-calls   -Wthread-safety -Wthread-safety-reference -Wthread-safety-beta  -nobuiltininc -I/home/b/sanitizer-aarch64-linux/build/llvm-project/compiler-rt/include -idirafter /home/b/sanitizer-aarch64-linux/build/build_default/lib/clang/22/include -resource-dir=/home/b/sanitizer-aarch64-linux/build/compiler_rt_build -Wl,-rpath,/home/b/sanitizer-aarch64-linux/build/compiler_rt_build/lib/linux  -gline-tables-only -O0 /home/b/sanitizer-aarch64-linux/build/llvm-project/compiler-rt/test/msan/heap-origin.cpp -o /home/b/sanitizer-aarch64-linux/build/compiler_rt_build/test/msan/AARCH64/Output/heap-origin.cpp.tmp && not  /home/b/sanitizer-aarch64-linux/build/compiler_rt_build/test/msan/AARCH64/Output/heap-origin.cpp.tmp >/home/b/sanitizer-aarch64-linux/build/compiler_rt_build/test/msan/AARCH64/Output/heap-origin.cpp.tmp.out 2>&1 # RUN: at line 1
+ /home/b/sanitizer-aarch64-linux/build/build_default/bin/clang --driver-mode=g++ -fsanitize=memory -mno-omit-leaf-frame-pointer -fno-omit-frame-pointer -fno-optimize-sibling-calls -Wthread-safety -Wthread-safety-reference -Wthread-safety-beta -nobuiltininc -I/home/b/sanitizer-aarch64-linux/build/llvm-project/compiler-rt/include -idirafter /home/b/sanitizer-aarch64-linux/build/build_default/lib/clang/22/include -resource-dir=/home/b/sanitizer-aarch64-linux/build/compiler_rt_build -Wl,-rpath,/home/b/sanitizer-aarch64-linux/build/compiler_rt_build/lib/linux -gline-tables-only -O0 /home/b/sanitizer-aarch64-linux/build/llvm-project/compiler-rt/test/msan/heap-origin.cpp -o /home/b/sanitizer-aarch64-linux/build/compiler_rt_build/test/msan/AARCH64/Output/heap-origin.cpp.tmp
+ not /home/b/sanitizer-aarch64-linux/build/compiler_rt_build/test/msan/AARCH64/Output/heap-origin.cpp.tmp
FileCheck /home/b/sanitizer-aarch64-linux/build/llvm-project/compiler-rt/test/msan/heap-origin.cpp < /home/b/sanitizer-aarch64-linux/build/compiler_rt_build/test/msan/AARCH64/Output/heap-origin.cpp.tmp.out # RUN: at line 2
+ FileCheck /home/b/sanitizer-aarch64-linux/build/llvm-project/compiler-rt/test/msan/heap-origin.cpp
/home/b/sanitizer-aarch64-linux/build/build_default/bin/clang  --driver-mode=g++ -fsanitize=memory -mno-omit-leaf-frame-pointer -fno-omit-frame-pointer -fno-optimize-sibling-calls   -Wthread-safety -Wthread-safety-reference -Wthread-safety-beta  -nobuiltininc -I/home/b/sanitizer-aarch64-linux/build/llvm-project/compiler-rt/include -idirafter /home/b/sanitizer-aarch64-linux/build/build_default/lib/clang/22/include -resource-dir=/home/b/sanitizer-aarch64-linux/build/compiler_rt_build -Wl,-rpath,/home/b/sanitizer-aarch64-linux/build/compiler_rt_build/lib/linux  -gline-tables-only -O1 /home/b/sanitizer-aarch64-linux/build/llvm-project/compiler-rt/test/msan/heap-origin.cpp -o /home/b/sanitizer-aarch64-linux/build/compiler_rt_build/test/msan/AARCH64/Output/heap-origin.cpp.tmp && not  /home/b/sanitizer-aarch64-linux/build/compiler_rt_build/test/msan/AARCH64/Output/heap-origin.cpp.tmp >/home/b/sanitizer-aarch64-linux/build/compiler_rt_build/test/msan/AARCH64/Output/heap-origin.cpp.tmp.out 2>&1 # RUN: at line 3
+ /home/b/sanitizer-aarch64-linux/build/build_default/bin/clang --driver-mode=g++ -fsanitize=memory -mno-omit-leaf-frame-pointer -fno-omit-frame-pointer -fno-optimize-sibling-calls -Wthread-safety -Wthread-safety-reference -Wthread-safety-beta -nobuiltininc -I/home/b/sanitizer-aarch64-linux/build/llvm-project/compiler-rt/include -idirafter /home/b/sanitizer-aarch64-linux/build/build_default/lib/clang/22/include -resource-dir=/home/b/sanitizer-aarch64-linux/build/compiler_rt_build -Wl,-rpath,/home/b/sanitizer-aarch64-linux/build/compiler_rt_build/lib/linux -gline-tables-only -O1 /home/b/sanitizer-aarch64-linux/build/llvm-project/compiler-rt/test/msan/heap-origin.cpp -o /home/b/sanitizer-aarch64-linux/build/compiler_rt_build/test/msan/AARCH64/Output/heap-origin.cpp.tmp
+ not /home/b/sanitizer-aarch64-linux/build/compiler_rt_build/test/msan/AARCH64/Output/heap-origin.cpp.tmp
FileCheck /home/b/sanitizer-aarch64-linux/build/llvm-project/compiler-rt/test/msan/heap-origin.cpp < /home/b/sanitizer-aarch64-linux/build/compiler_rt_build/test/msan/AARCH64/Output/heap-origin.cpp.tmp.out # RUN: at line 4
+ FileCheck /home/b/sanitizer-aarch64-linux/build/llvm-project/compiler-rt/test/msan/heap-origin.cpp
/home/b/sanitizer-aarch64-linux/build/llvm-project/compiler-rt/test/msan/heap-origin.cpp:24:12: error: CHECK: expected string not found in input
 // CHECK: {{#0 0x.* in main .*heap-origin.cpp:}}[[@LINE-2]]
           ^
<stdin>:1:64: note: scanning from here
==1030218==WARNING: MemorySanitizer: use-of-uninitialized-value
                                                               ^
<stdin>:1:64: note: with "@LINE-2" equal to "22"
==1030218==WARNING: MemorySanitizer: use-of-uninitialized-value
                                                               ^
<stdin>:4:84: note: possible intended match here
 #0 0xaf3b852c9e24 (/home/b/sanitizer-aarch64-linux/build/compiler_rt_build/test/msan/AARCH64/Output/heap-origin.cpp.tmp+0x119e24)
                                                                                   ^

Input file: <stdin>
Check file: /home/b/sanitizer-aarch64-linux/build/llvm-project/compiler-rt/test/msan/heap-origin.cpp

-dump-input=help explains the following input dump.

Input was:
<<<<<<
            1: ==1030218==WARNING: MemorySanitizer: use-of-uninitialized-value 
check:24'0                                                                    X error: no match found
check:24'1                                                                      with "@LINE-2" equal to "22"

```

</details>

https://github.com/llvm/llvm-project/pull/149059