[llvm] [Github] Skip MIR files for undef check (PR #120919)

[LLVM Continuous Integration via llvm-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `sanitizer-aarch64-linux-bootstrap-msan` running on `sanitizer-buildbot9` while building `llvm` at step 2 "annotate".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/94/builds/3169

<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-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using lld-link: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/lld-link
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using ld64.lld: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/ld64.lld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using wasm-ld: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/wasm-ld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using ld.lld: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/ld.lld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using lld-link: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/lld-link
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using ld64.lld: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/ld64.lld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using wasm-ld: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/wasm-ld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/main.py:72: 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: 85634 tests, 72 workers --
Testing:  0.. 10
FAIL: Clang :: Modules/macro-hiding.cpp (13627 of 85634)
******************** TEST 'Clang :: Modules/macro-hiding.cpp' FAILED ********************
Exit Code: 1

Command Output (stderr):
--
RUN: at line 1: rm -rf /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/tools/clang/test/Modules/Output/macro-hiding.cpp.tmp
+ rm -rf /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/tools/clang/test/Modules/Output/macro-hiding.cpp.tmp
RUN: at line 2: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/clang -cc1 -internal-isystem /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/lib/clang/20/include -nostdsysteminc -fmodules -fimplicit-module-maps -fmodules-cache-path=/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/tools/clang/test/Modules/Output/macro-hiding.cpp.tmp -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/test/Modules/Inputs/macro-hiding /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/test/Modules/macro-hiding.cpp -DD1
+ /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/clang -cc1 -internal-isystem /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/lib/clang/20/include -nostdsysteminc -fmodules -fimplicit-module-maps -fmodules-cache-path=/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/tools/clang/test/Modules/Output/macro-hiding.cpp.tmp -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/test/Modules/Inputs/macro-hiding /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/test/Modules/macro-hiding.cpp -DD1
RUN: at line 3: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/clang -cc1 -internal-isystem /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/lib/clang/20/include -nostdsysteminc -fmodules -fimplicit-module-maps -fmodules-cache-path=/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/tools/clang/test/Modules/Output/macro-hiding.cpp.tmp -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/test/Modules/Inputs/macro-hiding /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/test/Modules/macro-hiding.cpp -DC1
+ /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/clang -cc1 -internal-isystem /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/lib/clang/20/include -nostdsysteminc -fmodules -fimplicit-module-maps -fmodules-cache-path=/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/tools/clang/test/Modules/Output/macro-hiding.cpp.tmp -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/test/Modules/Inputs/macro-hiding /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/test/Modules/macro-hiding.cpp -DC1
RUN: at line 4: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/clang -cc1 -internal-isystem /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/lib/clang/20/include -nostdsysteminc -fmodules -fimplicit-module-maps -fmodules-cache-path=/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/tools/clang/test/Modules/Output/macro-hiding.cpp.tmp -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/test/Modules/Inputs/macro-hiding /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/test/Modules/macro-hiding.cpp -DC1 -DD1
+ /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/clang -cc1 -internal-isystem /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/lib/clang/20/include -nostdsysteminc -fmodules -fimplicit-module-maps -fmodules-cache-path=/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/tools/clang/test/Modules/Output/macro-hiding.cpp.tmp -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/test/Modules/Inputs/macro-hiding /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/test/Modules/macro-hiding.cpp -DC1 -DD1
RUN: at line 5: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/clang -cc1 -internal-isystem /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/lib/clang/20/include -nostdsysteminc -fmodules -fimplicit-module-maps -fmodules-cache-path=/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/tools/clang/test/Modules/Output/macro-hiding.cpp.tmp -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/test/Modules/Inputs/macro-hiding /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/test/Modules/macro-hiding.cpp -DB2
+ /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/clang -cc1 -internal-isystem /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/lib/clang/20/include -nostdsysteminc -fmodules -fimplicit-module-maps -fmodules-cache-path=/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/tools/clang/test/Modules/Output/macro-hiding.cpp.tmp -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/test/Modules/Inputs/macro-hiding /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/test/Modules/macro-hiding.cpp -DB2
RUN: at line 6: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/clang -cc1 -internal-isystem /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/lib/clang/20/include -nostdsysteminc -fmodules -fimplicit-module-maps -fmodules-cache-path=/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/tools/clang/test/Modules/Output/macro-hiding.cpp.tmp -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/test/Modules/Inputs/macro-hiding /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/test/Modules/macro-hiding.cpp -DB2 -DD1
+ /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/clang -cc1 -internal-isystem /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/lib/clang/20/include -nostdsysteminc -fmodules -fimplicit-module-maps -fmodules-cache-path=/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/tools/clang/test/Modules/Output/macro-hiding.cpp.tmp -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/test/Modules/Inputs/macro-hiding /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/test/Modules/macro-hiding.cpp -DB2 -DD1
RUN: at line 7: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/clang -cc1 -internal-isystem /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/lib/clang/20/include -nostdsysteminc -fmodules -fimplicit-module-maps -fmodules-cache-path=/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/tools/clang/test/Modules/Output/macro-hiding.cpp.tmp -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/test/Modules/Inputs/macro-hiding /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/test/Modules/macro-hiding.cpp -DB2 -DC1
+ /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/clang -cc1 -internal-isystem /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/lib/clang/20/include -nostdsysteminc -fmodules -fimplicit-module-maps -fmodules-cache-path=/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/tools/clang/test/Modules/Output/macro-hiding.cpp.tmp -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/test/Modules/Inputs/macro-hiding /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/test/Modules/macro-hiding.cpp -DB2 -DC1
RUN: at line 8: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/clang -cc1 -internal-isystem /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/lib/clang/20/include -nostdsysteminc -fmodules -fimplicit-module-maps -fmodules-cache-path=/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/tools/clang/test/Modules/Output/macro-hiding.cpp.tmp -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/test/Modules/Inputs/macro-hiding /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/test/Modules/macro-hiding.cpp -DB2 -DC1 -DD1
+ /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/clang -cc1 -internal-isystem /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/lib/clang/20/include -nostdsysteminc -fmodules -fimplicit-module-maps -fmodules-cache-path=/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/tools/clang/test/Modules/Output/macro-hiding.cpp.tmp -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/test/Modules/Inputs/macro-hiding /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/test/Modules/macro-hiding.cpp -DB2 -DC1 -DD1
RUN: at line 9: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/clang -cc1 -internal-isystem /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/lib/clang/20/include -nostdsysteminc -fmodules -fimplicit-module-maps -fmodules-cache-path=/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/tools/clang/test/Modules/Output/macro-hiding.cpp.tmp -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/test/Modules/Inputs/macro-hiding /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/test/Modules/macro-hiding.cpp -DB1
+ /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/clang -cc1 -internal-isystem /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/lib/clang/20/include -nostdsysteminc -fmodules -fimplicit-module-maps -fmodules-cache-path=/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/tools/clang/test/Modules/Output/macro-hiding.cpp.tmp -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/test/Modules/Inputs/macro-hiding /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/test/Modules/macro-hiding.cpp -DB1
RUN: at line 10: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/clang -cc1 -internal-isystem /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/lib/clang/20/include -nostdsysteminc -fmodules -fimplicit-module-maps -fmodules-cache-path=/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/tools/clang/test/Modules/Output/macro-hiding.cpp.tmp -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/test/Modules/Inputs/macro-hiding /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/test/Modules/macro-hiding.cpp -DB1 -DD1
+ /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/clang -cc1 -internal-isystem /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/lib/clang/20/include -nostdsysteminc -fmodules -fimplicit-module-maps -fmodules-cache-path=/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/tools/clang/test/Modules/Output/macro-hiding.cpp.tmp -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/test/Modules/Inputs/macro-hiding /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/test/Modules/macro-hiding.cpp -DB1 -DD1
PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace, preprocessed source, and associated run script.
 #0 0x0000adff53e60878 ___interceptor_backtrace /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/compiler-rt/lib/msan/../sanitizer_common/sanitizer_common_interceptors.inc:4497:13
 #1 0x0000adff5a2f07dc llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/lib/Support/Unix/Signals.inc:727:7
 #2 0x0000adff5a2eb29c llvm::sys::RunSignalHandlers() /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/lib/Support/Signals.cpp:106:18
 #3 0x0000adff5a2f1578 SignalHandler(int) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/lib/Support/Unix/Signals.inc:413:1
 #4 0x0000adff53e91980 ~ScopedThreadLocalStateBackup /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/compiler-rt/lib/msan/msan.h:352:37
 #5 0x0000adff53e91980 SignalHandler(int) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/compiler-rt/lib/msan/msan_interceptors.cpp:1124:1
 #6 0x0000f00002c7d8f8 (linux-vdso.so.1+0x8f8)
 #7 0x0000f000026e2f5c (/lib/aarch64-linux-gnu/libc.so.6+0xa2f5c)
 #8 0x0000adff53e9f358 __msan::SetShadow(void const*, unsigned long, unsigned char) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/compiler-rt/lib/msan/msan_poisoning.cpp:217:12
 #9 0x0000adff53e9e5a8 __msan::MsanThread::ClearShadowForThreadStackAndTLS() /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/compiler-rt/lib/msan/msan_thread.cpp:31:7
#10 0x0000adff53e9e710 malloc_storage /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/compiler-rt/lib/msan/msan_thread.h:45:59
#11 0x0000adff53e9e710 __msan::MsanThread::Init() /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/compiler-rt/lib/msan/msan_thread.cpp:45:3
Step 11 (stage2/msan check) failure: stage2/msan check (failure)
...
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using lld-link: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/lld-link
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using ld64.lld: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/ld64.lld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using wasm-ld: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/wasm-ld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using ld.lld: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/ld.lld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using lld-link: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/lld-link
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using ld64.lld: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/ld64.lld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using wasm-ld: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/wasm-ld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/main.py:72: 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: 85634 tests, 72 workers --
Testing:  0.. 10
FAIL: Clang :: Modules/macro-hiding.cpp (13627 of 85634)
******************** TEST 'Clang :: Modules/macro-hiding.cpp' FAILED ********************
Exit Code: 1

Command Output (stderr):
--
RUN: at line 1: rm -rf /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/tools/clang/test/Modules/Output/macro-hiding.cpp.tmp
+ rm -rf /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/tools/clang/test/Modules/Output/macro-hiding.cpp.tmp
RUN: at line 2: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/clang -cc1 -internal-isystem /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/lib/clang/20/include -nostdsysteminc -fmodules -fimplicit-module-maps -fmodules-cache-path=/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/tools/clang/test/Modules/Output/macro-hiding.cpp.tmp -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/test/Modules/Inputs/macro-hiding /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/test/Modules/macro-hiding.cpp -DD1
+ /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/clang -cc1 -internal-isystem /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/lib/clang/20/include -nostdsysteminc -fmodules -fimplicit-module-maps -fmodules-cache-path=/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/tools/clang/test/Modules/Output/macro-hiding.cpp.tmp -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/test/Modules/Inputs/macro-hiding /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/test/Modules/macro-hiding.cpp -DD1
RUN: at line 3: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/clang -cc1 -internal-isystem /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/lib/clang/20/include -nostdsysteminc -fmodules -fimplicit-module-maps -fmodules-cache-path=/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/tools/clang/test/Modules/Output/macro-hiding.cpp.tmp -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/test/Modules/Inputs/macro-hiding /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/test/Modules/macro-hiding.cpp -DC1
+ /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/clang -cc1 -internal-isystem /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/lib/clang/20/include -nostdsysteminc -fmodules -fimplicit-module-maps -fmodules-cache-path=/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/tools/clang/test/Modules/Output/macro-hiding.cpp.tmp -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/test/Modules/Inputs/macro-hiding /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/test/Modules/macro-hiding.cpp -DC1
RUN: at line 4: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/clang -cc1 -internal-isystem /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/lib/clang/20/include -nostdsysteminc -fmodules -fimplicit-module-maps -fmodules-cache-path=/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/tools/clang/test/Modules/Output/macro-hiding.cpp.tmp -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/test/Modules/Inputs/macro-hiding /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/test/Modules/macro-hiding.cpp -DC1 -DD1
+ /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/clang -cc1 -internal-isystem /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/lib/clang/20/include -nostdsysteminc -fmodules -fimplicit-module-maps -fmodules-cache-path=/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/tools/clang/test/Modules/Output/macro-hiding.cpp.tmp -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/test/Modules/Inputs/macro-hiding /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/test/Modules/macro-hiding.cpp -DC1 -DD1
RUN: at line 5: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/clang -cc1 -internal-isystem /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/lib/clang/20/include -nostdsysteminc -fmodules -fimplicit-module-maps -fmodules-cache-path=/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/tools/clang/test/Modules/Output/macro-hiding.cpp.tmp -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/test/Modules/Inputs/macro-hiding /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/test/Modules/macro-hiding.cpp -DB2
+ /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/clang -cc1 -internal-isystem /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/lib/clang/20/include -nostdsysteminc -fmodules -fimplicit-module-maps -fmodules-cache-path=/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/tools/clang/test/Modules/Output/macro-hiding.cpp.tmp -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/test/Modules/Inputs/macro-hiding /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/test/Modules/macro-hiding.cpp -DB2
RUN: at line 6: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/clang -cc1 -internal-isystem /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/lib/clang/20/include -nostdsysteminc -fmodules -fimplicit-module-maps -fmodules-cache-path=/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/tools/clang/test/Modules/Output/macro-hiding.cpp.tmp -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/test/Modules/Inputs/macro-hiding /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/test/Modules/macro-hiding.cpp -DB2 -DD1
+ /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/clang -cc1 -internal-isystem /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/lib/clang/20/include -nostdsysteminc -fmodules -fimplicit-module-maps -fmodules-cache-path=/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/tools/clang/test/Modules/Output/macro-hiding.cpp.tmp -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/test/Modules/Inputs/macro-hiding /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/test/Modules/macro-hiding.cpp -DB2 -DD1
RUN: at line 7: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/clang -cc1 -internal-isystem /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/lib/clang/20/include -nostdsysteminc -fmodules -fimplicit-module-maps -fmodules-cache-path=/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/tools/clang/test/Modules/Output/macro-hiding.cpp.tmp -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/test/Modules/Inputs/macro-hiding /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/test/Modules/macro-hiding.cpp -DB2 -DC1
+ /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/clang -cc1 -internal-isystem /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/lib/clang/20/include -nostdsysteminc -fmodules -fimplicit-module-maps -fmodules-cache-path=/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/tools/clang/test/Modules/Output/macro-hiding.cpp.tmp -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/test/Modules/Inputs/macro-hiding /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/test/Modules/macro-hiding.cpp -DB2 -DC1
RUN: at line 8: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/clang -cc1 -internal-isystem /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/lib/clang/20/include -nostdsysteminc -fmodules -fimplicit-module-maps -fmodules-cache-path=/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/tools/clang/test/Modules/Output/macro-hiding.cpp.tmp -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/test/Modules/Inputs/macro-hiding /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/test/Modules/macro-hiding.cpp -DB2 -DC1 -DD1
+ /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/clang -cc1 -internal-isystem /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/lib/clang/20/include -nostdsysteminc -fmodules -fimplicit-module-maps -fmodules-cache-path=/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/tools/clang/test/Modules/Output/macro-hiding.cpp.tmp -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/test/Modules/Inputs/macro-hiding /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/test/Modules/macro-hiding.cpp -DB2 -DC1 -DD1
RUN: at line 9: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/clang -cc1 -internal-isystem /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/lib/clang/20/include -nostdsysteminc -fmodules -fimplicit-module-maps -fmodules-cache-path=/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/tools/clang/test/Modules/Output/macro-hiding.cpp.tmp -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/test/Modules/Inputs/macro-hiding /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/test/Modules/macro-hiding.cpp -DB1
+ /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/clang -cc1 -internal-isystem /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/lib/clang/20/include -nostdsysteminc -fmodules -fimplicit-module-maps -fmodules-cache-path=/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/tools/clang/test/Modules/Output/macro-hiding.cpp.tmp -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/test/Modules/Inputs/macro-hiding /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/test/Modules/macro-hiding.cpp -DB1
RUN: at line 10: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/clang -cc1 -internal-isystem /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/lib/clang/20/include -nostdsysteminc -fmodules -fimplicit-module-maps -fmodules-cache-path=/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/tools/clang/test/Modules/Output/macro-hiding.cpp.tmp -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/test/Modules/Inputs/macro-hiding /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/test/Modules/macro-hiding.cpp -DB1 -DD1
+ /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/clang -cc1 -internal-isystem /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/lib/clang/20/include -nostdsysteminc -fmodules -fimplicit-module-maps -fmodules-cache-path=/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/tools/clang/test/Modules/Output/macro-hiding.cpp.tmp -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/test/Modules/Inputs/macro-hiding /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/test/Modules/macro-hiding.cpp -DB1 -DD1
PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace, preprocessed source, and associated run script.
 #0 0x0000adff53e60878 ___interceptor_backtrace /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/compiler-rt/lib/msan/../sanitizer_common/sanitizer_common_interceptors.inc:4497:13
 #1 0x0000adff5a2f07dc llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/lib/Support/Unix/Signals.inc:727:7
 #2 0x0000adff5a2eb29c llvm::sys::RunSignalHandlers() /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/lib/Support/Signals.cpp:106:18
 #3 0x0000adff5a2f1578 SignalHandler(int) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/lib/Support/Unix/Signals.inc:413:1
 #4 0x0000adff53e91980 ~ScopedThreadLocalStateBackup /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/compiler-rt/lib/msan/msan.h:352:37
 #5 0x0000adff53e91980 SignalHandler(int) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/compiler-rt/lib/msan/msan_interceptors.cpp:1124:1
 #6 0x0000f00002c7d8f8 (linux-vdso.so.1+0x8f8)
 #7 0x0000f000026e2f5c (/lib/aarch64-linux-gnu/libc.so.6+0xa2f5c)
 #8 0x0000adff53e9f358 __msan::SetShadow(void const*, unsigned long, unsigned char) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/compiler-rt/lib/msan/msan_poisoning.cpp:217:12
 #9 0x0000adff53e9e5a8 __msan::MsanThread::ClearShadowForThreadStackAndTLS() /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/compiler-rt/lib/msan/msan_thread.cpp:31:7
#10 0x0000adff53e9e710 malloc_storage /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/compiler-rt/lib/msan/msan_thread.h:45:59
#11 0x0000adff53e9e710 __msan::MsanThread::Init() /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/compiler-rt/lib/msan/msan_thread.cpp:45:3

```

</details>

https://github.com/llvm/llvm-project/pull/120919