llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder 
`sanitizer-x86_64-linux-fast` running on `sanitizer-buildbot4` while building 
`clang` at step 2 "annotate".

Full details are available at: 
https://lab.llvm.org/buildbot/#/builders/169/builds/18618

<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-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:561:
 note: using lld-link: 
/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/lld-link
llvm-lit: 
/home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:561:
 note: using ld64.lld: 
/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/ld64.lld
llvm-lit: 
/home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:561:
 note: using wasm-ld: 
/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/wasm-ld
llvm-lit: 
/home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:561:
 note: using ld.lld: 
/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/ld.lld
llvm-lit: 
/home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:561:
 note: using lld-link: 
/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/lld-link
llvm-lit: 
/home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:561:
 note: using ld64.lld: 
/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/ld64.lld
llvm-lit: 
/home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:561:
 note: using wasm-ld: 
/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/wasm-ld
llvm-lit: 
/home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/main.py:74:
 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: 94987 tests, 64 workers --
Testing:  0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80.. 90.
FAIL: LLVM :: ExecutionEngine/JITLink/x86-64/MachO_weak_references.s (68322 of 
94987)
******************** TEST 'LLVM :: 
ExecutionEngine/JITLink/x86-64/MachO_weak_references.s' FAILED 
********************
Exit Code: -6

Command Output (stdout):
--
# RUN: at line 1
rm -rf 
/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/test/ExecutionEngine/JITLink/x86-64/Output/MachO_weak_references.s.tmp
 && mkdir -p 
/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/test/ExecutionEngine/JITLink/x86-64/Output/MachO_weak_references.s.tmp
# executed command: rm -rf 
/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/test/ExecutionEngine/JITLink/x86-64/Output/MachO_weak_references.s.tmp
# note: command had no output on stdout or stderr
# executed command: mkdir -p 
/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/test/ExecutionEngine/JITLink/x86-64/Output/MachO_weak_references.s.tmp
# note: command had no output on stdout or stderr
# RUN: at line 2
/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/llvm-mc 
-triple=x86_64-apple-macosx10.9 -filetype=obj -o 
/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/test/ExecutionEngine/JITLink/x86-64/Output/MachO_weak_references.s.tmp/macho_weak_refs.o
 
/home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/ExecutionEngine/JITLink/x86-64/MachO_weak_references.s
# executed command: 
/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/llvm-mc 
-triple=x86_64-apple-macosx10.9 -filetype=obj -o 
/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/test/ExecutionEngine/JITLink/x86-64/Output/MachO_weak_references.s.tmp/macho_weak_refs.o
 
/home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/ExecutionEngine/JITLink/x86-64/MachO_weak_references.s
# note: command had no output on stdout or stderr
# RUN: at line 3
/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/llvm-jitlink
 -noexec -check-name=jitlink-check-bar-present -abs bar=0x1 
-check=/home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/ExecutionEngine/JITLink/x86-64/MachO_weak_references.s
 
/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/test/ExecutionEngine/JITLink/x86-64/Output/MachO_weak_references.s.tmp/macho_weak_refs.o
# executed command: 
/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/llvm-jitlink
 -noexec -check-name=jitlink-check-bar-present -abs bar=0x1 
-check=/home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/ExecutionEngine/JITLink/x86-64/MachO_weak_references.s
 
/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/test/ExecutionEngine/JITLink/x86-64/Output/MachO_weak_references.s.tmp/macho_weak_refs.o
# note: command had no output on stdout or stderr
# RUN: at line 4
/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/llvm-jitlink
 -noexec -check-name=jitlink-check-bar-absent 
-check=/home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/ExecutionEngine/JITLink/x86-64/MachO_weak_references.s
 
/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/test/ExecutionEngine/JITLink/x86-64/Output/MachO_weak_references.s.tmp/macho_weak_refs.o
# executed command: 
/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/llvm-jitlink
 -noexec -check-name=jitlink-check-bar-absent 
-check=/home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/ExecutionEngine/JITLink/x86-64/MachO_weak_references.s
 
/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/test/ExecutionEngine/JITLink/x86-64/Output/MachO_weak_references.s.tmp/macho_weak_refs.o
# .---command stderr------------
# | libc++abi: Pure virtual function called!
# `-----------------------------
# error: command failed with exit status: -6

--

********************
Testing:  0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80.. 90.. 
Slowest Tests:
--------------------------------------------------------------------------
401.84s: LLVM :: CodeGen/AMDGPU/sched-group-barrier-pipeline-solver.mir
246.80s: LLVM :: CodeGen/AMDGPU/amdgcn.bitcast.1024bit.ll
215.93s: Clang :: Preprocessor/riscv-target-features.c
192.13s: Clang :: OpenMP/target_update_codegen.cpp
182.30s: Clang :: OpenMP/target_defaultmap_codegen_01.cpp
Step 10 (stage2/asan_ubsan check) failure: stage2/asan_ubsan check (failure)
...
llvm-lit: 
/home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:561:
 note: using lld-link: 
/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/lld-link
llvm-lit: 
/home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:561:
 note: using ld64.lld: 
/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/ld64.lld
llvm-lit: 
/home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:561:
 note: using wasm-ld: 
/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/wasm-ld
llvm-lit: 
/home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:561:
 note: using ld.lld: 
/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/ld.lld
llvm-lit: 
/home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:561:
 note: using lld-link: 
/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/lld-link
llvm-lit: 
/home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:561:
 note: using ld64.lld: 
/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/ld64.lld
llvm-lit: 
/home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:561:
 note: using wasm-ld: 
/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/wasm-ld
llvm-lit: 
/home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/main.py:74:
 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: 94987 tests, 64 workers --
Testing:  0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80.. 90.
FAIL: LLVM :: ExecutionEngine/JITLink/x86-64/MachO_weak_references.s (68322 of 
94987)
******************** TEST 'LLVM :: 
ExecutionEngine/JITLink/x86-64/MachO_weak_references.s' FAILED 
********************
Exit Code: -6

Command Output (stdout):
--
# RUN: at line 1
rm -rf 
/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/test/ExecutionEngine/JITLink/x86-64/Output/MachO_weak_references.s.tmp
 && mkdir -p 
/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/test/ExecutionEngine/JITLink/x86-64/Output/MachO_weak_references.s.tmp
# executed command: rm -rf 
/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/test/ExecutionEngine/JITLink/x86-64/Output/MachO_weak_references.s.tmp
# note: command had no output on stdout or stderr
# executed command: mkdir -p 
/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/test/ExecutionEngine/JITLink/x86-64/Output/MachO_weak_references.s.tmp
# note: command had no output on stdout or stderr
# RUN: at line 2
/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/llvm-mc 
-triple=x86_64-apple-macosx10.9 -filetype=obj -o 
/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/test/ExecutionEngine/JITLink/x86-64/Output/MachO_weak_references.s.tmp/macho_weak_refs.o
 
/home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/ExecutionEngine/JITLink/x86-64/MachO_weak_references.s
# executed command: 
/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/llvm-mc 
-triple=x86_64-apple-macosx10.9 -filetype=obj -o 
/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/test/ExecutionEngine/JITLink/x86-64/Output/MachO_weak_references.s.tmp/macho_weak_refs.o
 
/home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/ExecutionEngine/JITLink/x86-64/MachO_weak_references.s
# note: command had no output on stdout or stderr
# RUN: at line 3
/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/llvm-jitlink
 -noexec -check-name=jitlink-check-bar-present -abs bar=0x1 
-check=/home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/ExecutionEngine/JITLink/x86-64/MachO_weak_references.s
 
/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/test/ExecutionEngine/JITLink/x86-64/Output/MachO_weak_references.s.tmp/macho_weak_refs.o
# executed command: 
/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/llvm-jitlink
 -noexec -check-name=jitlink-check-bar-present -abs bar=0x1 
-check=/home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/ExecutionEngine/JITLink/x86-64/MachO_weak_references.s
 
/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/test/ExecutionEngine/JITLink/x86-64/Output/MachO_weak_references.s.tmp/macho_weak_refs.o
# note: command had no output on stdout or stderr
# RUN: at line 4
/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/llvm-jitlink
 -noexec -check-name=jitlink-check-bar-absent 
-check=/home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/ExecutionEngine/JITLink/x86-64/MachO_weak_references.s
 
/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/test/ExecutionEngine/JITLink/x86-64/Output/MachO_weak_references.s.tmp/macho_weak_refs.o
# executed command: 
/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/llvm-jitlink
 -noexec -check-name=jitlink-check-bar-absent 
-check=/home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/ExecutionEngine/JITLink/x86-64/MachO_weak_references.s
 
/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/test/ExecutionEngine/JITLink/x86-64/Output/MachO_weak_references.s.tmp/macho_weak_refs.o
# .---command stderr------------
# | libc++abi: Pure virtual function called!
# `-----------------------------
# error: command failed with exit status: -6

--

********************
Testing:  0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80.. 90.. 
Slowest Tests:
--------------------------------------------------------------------------
401.84s: LLVM :: CodeGen/AMDGPU/sched-group-barrier-pipeline-solver.mir
246.80s: LLVM :: CodeGen/AMDGPU/amdgcn.bitcast.1024bit.ll
215.93s: Clang :: Preprocessor/riscv-target-features.c
192.13s: Clang :: OpenMP/target_update_codegen.cpp
182.30s: Clang :: OpenMP/target_defaultmap_codegen_01.cpp
Step 14 (stage2/msan check) failure: stage2/msan check (failure)
...
llvm-lit: 
/home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:561:
 note: using lld-link: 
/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/bin/lld-link
llvm-lit: 
/home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:561:
 note: using ld64.lld: 
/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/bin/ld64.lld
llvm-lit: 
/home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:561:
 note: using wasm-ld: 
/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/bin/wasm-ld
llvm-lit: 
/home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:561:
 note: using ld.lld: 
/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/bin/ld.lld
llvm-lit: 
/home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:561:
 note: using lld-link: 
/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/bin/lld-link
llvm-lit: 
/home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:561:
 note: using ld64.lld: 
/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/bin/ld64.lld
llvm-lit: 
/home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:561:
 note: using wasm-ld: 
/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/bin/wasm-ld
llvm-lit: 
/home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/main.py:74:
 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: 94985 tests, 64 workers --
Testing:  0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80..
FAIL: LLVM :: CodeGen/X86/basic-block-sections-clusters-bb-hash.ll (31183 of 
94985)
******************** TEST 'LLVM :: 
CodeGen/X86/basic-block-sections-clusters-bb-hash.ll' FAILED 
********************
Exit Code: 1

Command Output (stdout):
--
# RUN: at line 11
/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/bin/llc 
/home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/CodeGen/X86/basic-block-sections-clusters-bb-hash.ll
 -O0 -mtriple=x86_64-pc-linux -function-sections -filetype=obj 
-basic-block-address-map -emit-bb-hash -o 
/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/test/CodeGen/X86/Output/basic-block-sections-clusters-bb-hash.ll.tmp.o
# executed command: 
/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/bin/llc 
/home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/CodeGen/X86/basic-block-sections-clusters-bb-hash.ll
 -O0 -mtriple=x86_64-pc-linux -function-sections -filetype=obj 
-basic-block-address-map -emit-bb-hash -o 
/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/test/CodeGen/X86/Output/basic-block-sections-clusters-bb-hash.ll.tmp.o
# note: command had no output on stdout or stderr
# RUN: at line 16
echo 'v1' > 
/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/test/CodeGen/X86/Output/basic-block-sections-clusters-bb-hash.ll.tmp1
# executed command: echo v1
# note: command had no output on stdout or stderr
# RUN: at line 17
echo 'f foo' >> 
/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/test/CodeGen/X86/Output/basic-block-sections-clusters-bb-hash.ll.tmp1
# executed command: echo 'f foo'
# note: command had no output on stdout or stderr
# RUN: at line 18
echo 'g 0:100,1:100,2:0 1:100,3:100 2:0,3:0 3:100' >> 
/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/test/CodeGen/X86/Output/basic-block-sections-clusters-bb-hash.ll.tmp1
# executed command: echo 'g 0:100,1:100,2:0 1:100,3:100 2:0,3:0 3:100'
# note: command had no output on stdout or stderr
# RUN: at line 22
/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/bin/llvm-readobj 
/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/test/CodeGen/X86/Output/basic-block-sections-clusters-bb-hash.ll.tmp.o
 --bb-addr-map |  awk 'BEGIN {printf "h"}      /ID: [0-9]+/ {id=$2}      /Hash: 
0x[0-9A-Fa-f]+/ {gsub(/^0x/, "", $2); hash=$2; printf " %s:%s", id, hash}      
END {print ""}'  >> 
/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/test/CodeGen/X86/Output/basic-block-sections-clusters-bb-hash.ll.tmp1
# executed command: 
/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/bin/llvm-readobj 
/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/test/CodeGen/X86/Output/basic-block-sections-clusters-bb-hash.ll.tmp.o
 --bb-addr-map
# note: command had no output on stdout or stderr
# executed command: awk 'BEGIN {printf "h"}      /ID: [0-9]+/ {id=$2}      
/Hash: 0x[0-9A-Fa-f]+/ {gsub(/^0x/, "", $2); hash=$2; printf " %s:%s", id, 
hash}      END {print ""}'
# note: command had no output on stdout or stderr
# RUN: at line 29
/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/bin/llc < 
/home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/CodeGen/X86/basic-block-sections-clusters-bb-hash.ll
 -O0 -mtriple=x86_64-pc-linux -function-sections 
-basic-block-sections=/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/test/CodeGen/X86/Output/basic-block-sections-clusters-bb-hash.ll.tmp1
 -basic-block-section-match-infer |  
/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/bin/FileCheck 
/home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/CodeGen/X86/basic-block-sections-clusters-bb-hash.ll
 -check-prefixes=CHECK,LINUX-SECTIONS1
# executed command: 
/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/bin/llc -O0 
-mtriple=x86_64-pc-linux -function-sections 
-basic-block-sections=/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/test/CodeGen/X86/Output/basic-block-sections-clusters-bb-hash.ll.tmp1
 -basic-block-section-match-infer
# note: command had no output on stdout or stderr
# executed command: 
/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/bin/FileCheck 
/home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/CodeGen/X86/basic-block-sections-clusters-bb-hash.ll
 -check-prefixes=CHECK,LINUX-SECTIONS1
# .---command stderr------------
# | 
/home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/CodeGen/X86/basic-block-sections-clusters-bb-hash.ll:80:26:
 error: LINUX-SECTIONS1-LABEL: expected string not found in input
# | ; LINUX-SECTIONS1-LABEL: # %bb.1:
# |                          ^
# | <stdin>:6:5: note: scanning from here
# | foo: # @foo

```

</details>

https://github.com/llvm/llvm-project/pull/174334
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