TEST 'MemorySanitizer-lld-X86_64 :: fstat.cpp' FAILED

[neilnelson]

Bugzilla Link	50492
Version	12.0
OS	Linux
Blocks	#51489
CC	@tstellar

Extended Description

Obtained this error on Ubuntu 21.04 12.0.1 rc1 release run.

FAIL: MemorySanitizer-lld-X86_64 :: fstat.cpp (76462 of 87931)
******************** TEST 'MemorySanitizer-lld-X86_64 :: fstat.cpp' FAILED ********************
Script:
--
: 'RUN: at line 1';      /home/nnelson/Documents/llvm-project/llvm/utils/release/rc1/Phase3/Release+Asserts/llvmCore-12.0.1-rc1.obj/./bin/clang  --driver-mode=g++ -fsanitize=memory -mno-omit-leaf-frame-pointer -fno-omit-frame-pointer -fno-optimize-sibling-calls  -m64 -fuse-ld=lld  -gline-tables-only -O0 /home/nnelson/Documents/llvm-project/llvm/utils/release/rc1/llvm-project/compiler-rt/test/msan/fstat.cpp -o /home/nnelson/Documents/llvm-project/llvm/utils/release/rc1/Phase3/Release+Asserts/llvmCore-12.0.1-rc1.obj/projects/compiler-rt/test/msan/lld-X86_64/Output/fstat.cpp.tmp &&  /home/nnelson/Documents/llvm-project/llvm/utils/release/rc1/Phase3/Release+Asserts/llvmCore-12.0.1-rc1.obj/projects/compiler-rt/test/msan/lld-X86_64/Output/fstat.cpp.tmp
--
Exit Code: 1

Command Output (stderr):
--
==2497540==WARNING: MemorySanitizer: use-of-uninitialized-value
    #​0 0x2ca0a9 in main /home/nnelson/Documents/llvm-project/llvm/utils/release/rc1/llvm-project/compiler-rt/test/msan/fstat.cpp:11:7
    #​1 0x7f7d94bd5564 in __libc_start_main csu/../csu/libc-start.c:332:16
    #​2 0x24b9cd in _start (/home/nnelson/Documents/llvm-project/llvm/utils/release/rc1/Phase3/Release+Asserts/llvmCore-12.0.1-rc1.obj/projects/compiler-rt/test/msan/lld-X86_64/Output/fstat.cpp.tmp+0x24b9cd)

SUMMARY: MemorySanitizer: use-of-uninitialized-value /home/nnelson/Documents/llvm-project/llvm/utils/release/rc1/llvm-project/compiler-rt/test/msan/fstat.cpp:11:7 in main
Exiting

[neilnelson]

Added release-13.0.0 to the Blocks field. This bug was seen on the 13.0.0-rc1 release run.

[tstellar]

mentioned in issue #51489

[tstellar]

The deadline for requesting fixes for the release has passed. This bug is being removed from the LLVM 13.0.1 release milestone. If you have a fix or think this bug is important enough to block the release, please explain why in a comment and add the bug back to the LLVM 13.0.1 release milestone.