[Mlir-commits] [mlir] [MLIR][NVVM] Add tensormap.replace NVVM Op (PR #174926)

LLVM Continuous Integration llvmlistbot at llvm.org
Tue Jan 20 22:11:02 PST 2026 

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `sanitizer-x86_64-linux-fast` running on `sanitizer-buildbot3` while building `mlir` at step 2 "annotate".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/169/builds/19136

<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)
...
UBSAN_OPTIONS=print_stacktrace=1
BUILDBOT_GOT_REVISION=9276322fca40f61a7960d17fd2f0fe06c41effb5
LC_ALL=C
JOURNAL_STREAM=9:65174
PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/snap/bin
BOT_DIR=/home/b
LIT_OPTS=--time-tests --timeout=900
_=/usr/bin/env
ninja: Entering directory `libcxx_build_asan_ubsan'
[1/6] Building CXX object libcxx/src/CMakeFiles/cxx_static.dir/charconv.cpp.o
FAILED: libcxx/src/CMakeFiles/cxx_static.dir/charconv.cpp.o 
/home/b/sanitizer-x86_64-linux-fast/build/llvm_build0/bin/clang++ -DLIBCXX_BUILDING_LIBCXXABI -DLIBC_NAMESPACE=__llvm_libc_common_utils -D_DEBUG -D_GLIBCXX_ASSERTIONS -D_LIBCPP_AVAILABILITY_MINIMUM_HEADER_VERSION=2 -D_LIBCPP_BUILDING_LIBRARY -D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -D_LIBCPP_LINK_PTHREAD_LIB -D_LIBCPP_LINK_RT_LIB -D_LIBCPP_REMOVE_TRANSITIVE_INCLUDES -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/home/b/sanitizer-x86_64-linux-fast/build/llvm-project/libcxx/src -I/home/b/sanitizer-x86_64-linux-fast/build/libcxx_build_asan_ubsan/include/c++/v1 -I/home/b/sanitizer-x86_64-linux-fast/build/llvm-project/libcxxabi/include -I/home/b/sanitizer-x86_64-linux-fast/build/llvm-project/cmake/Modules/../../libc -fsanitize=address,undefined -fno-sanitize-recover=all   -fno-sanitize=vptr -fvisibility-inlines-hidden -Werror=date-time -Werror=unguarded-availability-new -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wmissing-field-initializers -Wimplicit-fallthrough -Wcovered-switch-default -Wno-noexcept-type -Wnon-virtual-dtor -Wdelete-non-virtual-dtor -Wsuggest-override -Wstring-conversion -Wno-pass-failed -Wmisleading-indentation -Wctad-maybe-unsupported -fno-omit-frame-pointer -gline-tables-only -fsanitize=address  -fdiagnostics-color -ffunction-sections -fdata-sections -O3 -DNDEBUG -std=c++23 -UNDEBUG -faligned-allocation -nostdinc++ -fvisibility-inlines-hidden -fvisibility=hidden -fsized-deallocation -Wall -Wextra -Wnewline-eof -Wshadow -Wwrite-strings -Wno-unused-parameter -Wno-long-long -Werror=return-type -Wextra-semi -Wundef -Wunused-template -Wformat-nonliteral -Wzero-length-array -Wdeprecated-redundant-constexpr-static-def -Wno-nullability-completeness -Wmissing-prototypes -Wno-user-defined-literals -Wno-covered-switch-default -Wno-suggest-override -Wno-error -fdebug-prefix-map=/home/b/sanitizer-x86_64-linux-fast/build/libcxx_build_asan_ubsan/include/c++/v1=/home/b/sanitizer-x86_64-linux-fast/build/llvm-project/libcxx/include -fno-omit-frame-pointer -gline-tables-only -fsanitize=address,undefined -fno-sanitize=vptr,function -fno-sanitize-recover=all -MD -MT libcxx/src/CMakeFiles/cxx_static.dir/charconv.cpp.o -MF libcxx/src/CMakeFiles/cxx_static.dir/charconv.cpp.o.d -o libcxx/src/CMakeFiles/cxx_static.dir/charconv.cpp.o -c /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/libcxx/src/charconv.cpp
In file included from /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/libcxx/src/charconv.cpp:12:
In file included from /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/libcxx/src/include/from_chars_floating_point.h:29:
In file included from /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/libcxx/src/include/to_chars_floating_point.h:30:
/home/b/sanitizer-x86_64-linux-fast/build/libcxx_build_asan_ubsan/include/c++/v1/cfloat:81:8: error: "If libc++ starts defining <float.h>, the __has_include check should move to libc++'s <float.h>"
   81 | #      error "If libc++ starts defining <float.h>, the __has_include check should move to libc++'s <float.h>"
      |        ^
1 error generated.
[2/6] Building CXX object libcxx/src/CMakeFiles/cxx_shared.dir/charconv.cpp.o
FAILED: libcxx/src/CMakeFiles/cxx_shared.dir/charconv.cpp.o 
/home/b/sanitizer-x86_64-linux-fast/build/llvm_build0/bin/clang++ -DLIBCXX_BUILDING_LIBCXXABI -DLIBC_NAMESPACE=__llvm_libc_common_utils -D_DEBUG -D_GLIBCXX_ASSERTIONS -D_LIBCPP_AVAILABILITY_MINIMUM_HEADER_VERSION=2 -D_LIBCPP_BUILDING_LIBRARY -D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -D_LIBCPP_LINK_PTHREAD_LIB -D_LIBCPP_LINK_RT_LIB -D_LIBCPP_REMOVE_TRANSITIVE_INCLUDES -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/home/b/sanitizer-x86_64-linux-fast/build/llvm-project/libcxx/src -I/home/b/sanitizer-x86_64-linux-fast/build/libcxx_build_asan_ubsan/include/c++/v1 -I/home/b/sanitizer-x86_64-linux-fast/build/llvm-project/libcxxabi/include -I/home/b/sanitizer-x86_64-linux-fast/build/llvm-project/cmake/Modules/../../libc -fsanitize=address,undefined -fno-sanitize-recover=all   -fno-sanitize=vptr -fvisibility-inlines-hidden -Werror=date-time -Werror=unguarded-availability-new -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wmissing-field-initializers -Wimplicit-fallthrough -Wcovered-switch-default -Wno-noexcept-type -Wnon-virtual-dtor -Wdelete-non-virtual-dtor -Wsuggest-override -Wstring-conversion -Wno-pass-failed -Wmisleading-indentation -Wctad-maybe-unsupported -fno-omit-frame-pointer -gline-tables-only -fsanitize=address  -fdiagnostics-color -ffunction-sections -fdata-sections -O3 -DNDEBUG -std=c++23 -fPIC -UNDEBUG -faligned-allocation -nostdinc++ -fvisibility-inlines-hidden -fvisibility=hidden -fsized-deallocation -Wall -Wextra -Wnewline-eof -Wshadow -Wwrite-strings -Wno-unused-parameter -Wno-long-long -Werror=return-type -Wextra-semi -Wundef -Wunused-template -Wformat-nonliteral -Wzero-length-array -Wdeprecated-redundant-constexpr-static-def -Wno-nullability-completeness -Wmissing-prototypes -Wno-user-defined-literals -Wno-covered-switch-default -Wno-suggest-override -Wno-error -fdebug-prefix-map=/home/b/sanitizer-x86_64-linux-fast/build/libcxx_build_asan_ubsan/include/c++/v1=/home/b/sanitizer-x86_64-linux-fast/build/llvm-project/libcxx/include -fno-omit-frame-pointer -gline-tables-only -fsanitize=address,undefined -fno-sanitize=vptr,function -fno-sanitize-recover=all -MD -MT libcxx/src/CMakeFiles/cxx_shared.dir/charconv.cpp.o -MF libcxx/src/CMakeFiles/cxx_shared.dir/charconv.cpp.o.d -o libcxx/src/CMakeFiles/cxx_shared.dir/charconv.cpp.o -c /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/libcxx/src/charconv.cpp
In file included from /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/libcxx/src/charconv.cpp:12:
In file included from /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/libcxx/src/include/from_chars_floating_point.h:29:
In file included from /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/libcxx/src/include/to_chars_floating_point.h:30:
/home/b/sanitizer-x86_64-linux-fast/build/libcxx_build_asan_ubsan/include/c++/v1/cfloat:81:8: error: "If libc++ starts defining <float.h>, the __has_include check should move to libc++'s <float.h>"
   81 | #      error "If libc++ starts defining <float.h>, the __has_include check should move to libc++'s <float.h>"
      |        ^
1 error generated.
ninja: build stopped: subcommand failed.

How to reproduce locally: https://github.com/google/sanitizers/wiki/SanitizerBotReproduceBuild


@@@STEP_FAILURE@@@

@@@STEP_FAILURE@@@

@@@STEP_FAILURE@@@
BUILDBOT_REVISION=6ed45a07e86efd42fa6cb024265e5fcf659bc4d9
MEMORY_PRESSURE_WRITE=c29tZSAyMDAwMDAgMjAwMDAwMAA=
PWD=/home/b/sanitizer-x86_64-linux-fast/build
LOGNAME=buildbot
BUILDBOT_CLOBBER=
BUILDBOT_CLEAN=
SYSTEMD_EXEC_PID=14181
BUILDBOT_BRANCH=main
STAGE2_DIR=llvm_build_asan_ubsan
BUILDBOT_CLEAN_OBJ=
Step 8 (stage2/asan_ubsan build libcxx) failure: stage2/asan_ubsan build libcxx (failure)
...
UBSAN_OPTIONS=print_stacktrace=1
BUILDBOT_GOT_REVISION=9276322fca40f61a7960d17fd2f0fe06c41effb5
LC_ALL=C
JOURNAL_STREAM=9:65174
PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/snap/bin
BOT_DIR=/home/b
LIT_OPTS=--time-tests --timeout=900
_=/usr/bin/env
ninja: Entering directory `libcxx_build_asan_ubsan'
[1/6] Building CXX object libcxx/src/CMakeFiles/cxx_static.dir/charconv.cpp.o
FAILED: libcxx/src/CMakeFiles/cxx_static.dir/charconv.cpp.o 
/home/b/sanitizer-x86_64-linux-fast/build/llvm_build0/bin/clang++ -DLIBCXX_BUILDING_LIBCXXABI -DLIBC_NAMESPACE=__llvm_libc_common_utils -D_DEBUG -D_GLIBCXX_ASSERTIONS -D_LIBCPP_AVAILABILITY_MINIMUM_HEADER_VERSION=2 -D_LIBCPP_BUILDING_LIBRARY -D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -D_LIBCPP_LINK_PTHREAD_LIB -D_LIBCPP_LINK_RT_LIB -D_LIBCPP_REMOVE_TRANSITIVE_INCLUDES -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/home/b/sanitizer-x86_64-linux-fast/build/llvm-project/libcxx/src -I/home/b/sanitizer-x86_64-linux-fast/build/libcxx_build_asan_ubsan/include/c++/v1 -I/home/b/sanitizer-x86_64-linux-fast/build/llvm-project/libcxxabi/include -I/home/b/sanitizer-x86_64-linux-fast/build/llvm-project/cmake/Modules/../../libc -fsanitize=address,undefined -fno-sanitize-recover=all   -fno-sanitize=vptr -fvisibility-inlines-hidden -Werror=date-time -Werror=unguarded-availability-new -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wmissing-field-initializers -Wimplicit-fallthrough -Wcovered-switch-default -Wno-noexcept-type -Wnon-virtual-dtor -Wdelete-non-virtual-dtor -Wsuggest-override -Wstring-conversion -Wno-pass-failed -Wmisleading-indentation -Wctad-maybe-unsupported -fno-omit-frame-pointer -gline-tables-only -fsanitize=address  -fdiagnostics-color -ffunction-sections -fdata-sections -O3 -DNDEBUG -std=c++23 -UNDEBUG -faligned-allocation -nostdinc++ -fvisibility-inlines-hidden -fvisibility=hidden -fsized-deallocation -Wall -Wextra -Wnewline-eof -Wshadow -Wwrite-strings -Wno-unused-parameter -Wno-long-long -Werror=return-type -Wextra-semi -Wundef -Wunused-template -Wformat-nonliteral -Wzero-length-array -Wdeprecated-redundant-constexpr-static-def -Wno-nullability-completeness -Wmissing-prototypes -Wno-user-defined-literals -Wno-covered-switch-default -Wno-suggest-override -Wno-error -fdebug-prefix-map=/home/b/sanitizer-x86_64-linux-fast/build/libcxx_build_asan_ubsan/include/c++/v1=/home/b/sanitizer-x86_64-linux-fast/build/llvm-project/libcxx/include -fno-omit-frame-pointer -gline-tables-only -fsanitize=address,undefined -fno-sanitize=vptr,function -fno-sanitize-recover=all -MD -MT libcxx/src/CMakeFiles/cxx_static.dir/charconv.cpp.o -MF libcxx/src/CMakeFiles/cxx_static.dir/charconv.cpp.o.d -o libcxx/src/CMakeFiles/cxx_static.dir/charconv.cpp.o -c /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/libcxx/src/charconv.cpp
In file included from /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/libcxx/src/charconv.cpp:12:
In file included from /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/libcxx/src/include/from_chars_floating_point.h:29:
In file included from /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/libcxx/src/include/to_chars_floating_point.h:30:
/home/b/sanitizer-x86_64-linux-fast/build/libcxx_build_asan_ubsan/include/c++/v1/cfloat:81:8: error: "If libc++ starts defining <float.h>, the __has_include check should move to libc++'s <float.h>"
   81 | #      error "If libc++ starts defining <float.h>, the __has_include check should move to libc++'s <float.h>"
      |        ^
1 error generated.
[2/6] Building CXX object libcxx/src/CMakeFiles/cxx_shared.dir/charconv.cpp.o
FAILED: libcxx/src/CMakeFiles/cxx_shared.dir/charconv.cpp.o 
/home/b/sanitizer-x86_64-linux-fast/build/llvm_build0/bin/clang++ -DLIBCXX_BUILDING_LIBCXXABI -DLIBC_NAMESPACE=__llvm_libc_common_utils -D_DEBUG -D_GLIBCXX_ASSERTIONS -D_LIBCPP_AVAILABILITY_MINIMUM_HEADER_VERSION=2 -D_LIBCPP_BUILDING_LIBRARY -D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -D_LIBCPP_LINK_PTHREAD_LIB -D_LIBCPP_LINK_RT_LIB -D_LIBCPP_REMOVE_TRANSITIVE_INCLUDES -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/home/b/sanitizer-x86_64-linux-fast/build/llvm-project/libcxx/src -I/home/b/sanitizer-x86_64-linux-fast/build/libcxx_build_asan_ubsan/include/c++/v1 -I/home/b/sanitizer-x86_64-linux-fast/build/llvm-project/libcxxabi/include -I/home/b/sanitizer-x86_64-linux-fast/build/llvm-project/cmake/Modules/../../libc -fsanitize=address,undefined -fno-sanitize-recover=all   -fno-sanitize=vptr -fvisibility-inlines-hidden -Werror=date-time -Werror=unguarded-availability-new -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wmissing-field-initializers -Wimplicit-fallthrough -Wcovered-switch-default -Wno-noexcept-type -Wnon-virtual-dtor -Wdelete-non-virtual-dtor -Wsuggest-override -Wstring-conversion -Wno-pass-failed -Wmisleading-indentation -Wctad-maybe-unsupported -fno-omit-frame-pointer -gline-tables-only -fsanitize=address  -fdiagnostics-color -ffunction-sections -fdata-sections -O3 -DNDEBUG -std=c++23 -fPIC -UNDEBUG -faligned-allocation -nostdinc++ -fvisibility-inlines-hidden -fvisibility=hidden -fsized-deallocation -Wall -Wextra -Wnewline-eof -Wshadow -Wwrite-strings -Wno-unused-parameter -Wno-long-long -Werror=return-type -Wextra-semi -Wundef -Wunused-template -Wformat-nonliteral -Wzero-length-array -Wdeprecated-redundant-constexpr-static-def -Wno-nullability-completeness -Wmissing-prototypes -Wno-user-defined-literals -Wno-covered-switch-default -Wno-suggest-override -Wno-error -fdebug-prefix-map=/home/b/sanitizer-x86_64-linux-fast/build/libcxx_build_asan_ubsan/include/c++/v1=/home/b/sanitizer-x86_64-linux-fast/build/llvm-project/libcxx/include -fno-omit-frame-pointer -gline-tables-only -fsanitize=address,undefined -fno-sanitize=vptr,function -fno-sanitize-recover=all -MD -MT libcxx/src/CMakeFiles/cxx_shared.dir/charconv.cpp.o -MF libcxx/src/CMakeFiles/cxx_shared.dir/charconv.cpp.o.d -o libcxx/src/CMakeFiles/cxx_shared.dir/charconv.cpp.o -c /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/libcxx/src/charconv.cpp
In file included from /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/libcxx/src/charconv.cpp:12:
In file included from /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/libcxx/src/include/from_chars_floating_point.h:29:
In file included from /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/libcxx/src/include/to_chars_floating_point.h:30:
/home/b/sanitizer-x86_64-linux-fast/build/libcxx_build_asan_ubsan/include/c++/v1/cfloat:81:8: error: "If libc++ starts defining <float.h>, the __has_include check should move to libc++'s <float.h>"
   81 | #      error "If libc++ starts defining <float.h>, the __has_include check should move to libc++'s <float.h>"
      |        ^
1 error generated.
ninja: build stopped: subcommand failed.

How to reproduce locally: https://github.com/google/sanitizers/wiki/SanitizerBotReproduceBuild




BUILDBOT_REVISION=6ed45a07e86efd42fa6cb024265e5fcf659bc4d9
MEMORY_PRESSURE_WRITE=c29tZSAyMDAwMDAgMjAwMDAwMAA=
PWD=/home/b/sanitizer-x86_64-linux-fast/build
LOGNAME=buildbot
BUILDBOT_CLOBBER=
BUILDBOT_CLEAN=
SYSTEMD_EXEC_PID=14181
BUILDBOT_BRANCH=main
STAGE2_DIR=llvm_build_asan_ubsan
BUILDBOT_CLEAN_OBJ=
HOME=/home/b
LANG=C.UTF-8
MEMORY_PRESSURE_WATCH=/sys/fs/cgroup/system.slice/system-buildbot\x2dworker.slice/buildbot-worker at b.service/memory.pressure
Step 12 (stage2/msan build libcxx) failure: stage2/msan build libcxx (failure)
...
BUILDBOT_GOT_REVISION=9276322fca40f61a7960d17fd2f0fe06c41effb5
LC_ALL=C
JOURNAL_STREAM=9:65174
MSAN_OPTIONS=log_path=/home/b/sanitizer-x86_64-linux-fast/build/sanitizer_logs/report:log_exe_name=1:abort_on_error=1
PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/snap/bin
BOT_DIR=/home/b
LIT_OPTS=--time-tests --timeout=900
_=/usr/bin/env
ninja: Entering directory `libcxx_build_msan'
[1/6] Building CXX object libcxx/src/CMakeFiles/cxx_static.dir/charconv.cpp.o
FAILED: libcxx/src/CMakeFiles/cxx_static.dir/charconv.cpp.o 
/home/b/sanitizer-x86_64-linux-fast/build/llvm_build0/bin/clang++ -DLIBCXX_BUILDING_LIBCXXABI -DLIBC_NAMESPACE=__llvm_libc_common_utils -D_DEBUG -D_GLIBCXX_ASSERTIONS -D_LIBCPP_AVAILABILITY_MINIMUM_HEADER_VERSION=2 -D_LIBCPP_BUILDING_LIBRARY -D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -D_LIBCPP_LINK_PTHREAD_LIB -D_LIBCPP_LINK_RT_LIB -D_LIBCPP_REMOVE_TRANSITIVE_INCLUDES -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/home/b/sanitizer-x86_64-linux-fast/build/llvm-project/libcxx/src -I/home/b/sanitizer-x86_64-linux-fast/build/libcxx_build_msan/include/c++/v1 -I/home/b/sanitizer-x86_64-linux-fast/build/llvm-project/libcxxabi/include -I/home/b/sanitizer-x86_64-linux-fast/build/llvm-project/cmake/Modules/../../libc -fsanitize=memory -fvisibility-inlines-hidden -Werror=date-time -Werror=unguarded-availability-new -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wmissing-field-initializers -Wimplicit-fallthrough -Wcovered-switch-default -Wno-noexcept-type -Wnon-virtual-dtor -Wdelete-non-virtual-dtor -Wsuggest-override -Wstring-conversion -Wno-pass-failed -Wmisleading-indentation -Wctad-maybe-unsupported -fno-omit-frame-pointer -gline-tables-only -fsanitize=memory -fdiagnostics-color -ffunction-sections -fdata-sections -Oz -std=c++23 -UNDEBUG -faligned-allocation -nostdinc++ -fvisibility-inlines-hidden -fvisibility=hidden -fsized-deallocation -Wall -Wextra -Wnewline-eof -Wshadow -Wwrite-strings -Wno-unused-parameter -Wno-long-long -Werror=return-type -Wextra-semi -Wundef -Wunused-template -Wformat-nonliteral -Wzero-length-array -Wdeprecated-redundant-constexpr-static-def -Wno-nullability-completeness -Wmissing-prototypes -Wno-user-defined-literals -Wno-covered-switch-default -Wno-suggest-override -Wno-error -fdebug-prefix-map=/home/b/sanitizer-x86_64-linux-fast/build/libcxx_build_msan/include/c++/v1=/home/b/sanitizer-x86_64-linux-fast/build/llvm-project/libcxx/include -fno-omit-frame-pointer -gline-tables-only -fsanitize=memory -MD -MT libcxx/src/CMakeFiles/cxx_static.dir/charconv.cpp.o -MF libcxx/src/CMakeFiles/cxx_static.dir/charconv.cpp.o.d -o libcxx/src/CMakeFiles/cxx_static.dir/charconv.cpp.o -c /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/libcxx/src/charconv.cpp
In file included from /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/libcxx/src/charconv.cpp:12:
In file included from /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/libcxx/src/include/from_chars_floating_point.h:29:
In file included from /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/libcxx/src/include/to_chars_floating_point.h:30:
/home/b/sanitizer-x86_64-linux-fast/build/libcxx_build_msan/include/c++/v1/cfloat:81:8: error: "If libc++ starts defining <float.h>, the __has_include check should move to libc++'s <float.h>"
   81 | #      error "If libc++ starts defining <float.h>, the __has_include check should move to libc++'s <float.h>"
      |        ^
1 error generated.
[2/6] Building CXX object libcxx/src/CMakeFiles/cxx_shared.dir/charconv.cpp.o
FAILED: libcxx/src/CMakeFiles/cxx_shared.dir/charconv.cpp.o 
/home/b/sanitizer-x86_64-linux-fast/build/llvm_build0/bin/clang++ -DLIBCXX_BUILDING_LIBCXXABI -DLIBC_NAMESPACE=__llvm_libc_common_utils -D_DEBUG -D_GLIBCXX_ASSERTIONS -D_LIBCPP_AVAILABILITY_MINIMUM_HEADER_VERSION=2 -D_LIBCPP_BUILDING_LIBRARY -D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -D_LIBCPP_LINK_PTHREAD_LIB -D_LIBCPP_LINK_RT_LIB -D_LIBCPP_REMOVE_TRANSITIVE_INCLUDES -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/home/b/sanitizer-x86_64-linux-fast/build/llvm-project/libcxx/src -I/home/b/sanitizer-x86_64-linux-fast/build/libcxx_build_msan/include/c++/v1 -I/home/b/sanitizer-x86_64-linux-fast/build/llvm-project/libcxxabi/include -I/home/b/sanitizer-x86_64-linux-fast/build/llvm-project/cmake/Modules/../../libc -fsanitize=memory -fvisibility-inlines-hidden -Werror=date-time -Werror=unguarded-availability-new -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wmissing-field-initializers -Wimplicit-fallthrough -Wcovered-switch-default -Wno-noexcept-type -Wnon-virtual-dtor -Wdelete-non-virtual-dtor -Wsuggest-override -Wstring-conversion -Wno-pass-failed -Wmisleading-indentation -Wctad-maybe-unsupported -fno-omit-frame-pointer -gline-tables-only -fsanitize=memory -fdiagnostics-color -ffunction-sections -fdata-sections -Oz -std=c++23 -fPIC -UNDEBUG -faligned-allocation -nostdinc++ -fvisibility-inlines-hidden -fvisibility=hidden -fsized-deallocation -Wall -Wextra -Wnewline-eof -Wshadow -Wwrite-strings -Wno-unused-parameter -Wno-long-long -Werror=return-type -Wextra-semi -Wundef -Wunused-template -Wformat-nonliteral -Wzero-length-array -Wdeprecated-redundant-constexpr-static-def -Wno-nullability-completeness -Wmissing-prototypes -Wno-user-defined-literals -Wno-covered-switch-default -Wno-suggest-override -Wno-error -fdebug-prefix-map=/home/b/sanitizer-x86_64-linux-fast/build/libcxx_build_msan/include/c++/v1=/home/b/sanitizer-x86_64-linux-fast/build/llvm-project/libcxx/include -fno-omit-frame-pointer -gline-tables-only -fsanitize=memory -MD -MT libcxx/src/CMakeFiles/cxx_shared.dir/charconv.cpp.o -MF libcxx/src/CMakeFiles/cxx_shared.dir/charconv.cpp.o.d -o libcxx/src/CMakeFiles/cxx_shared.dir/charconv.cpp.o -c /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/libcxx/src/charconv.cpp
In file included from /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/libcxx/src/charconv.cpp:12:
In file included from /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/libcxx/src/include/from_chars_floating_point.h:29:
In file included from /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/libcxx/src/include/to_chars_floating_point.h:30:
/home/b/sanitizer-x86_64-linux-fast/build/libcxx_build_msan/include/c++/v1/cfloat:81:8: error: "If libc++ starts defining <float.h>, the __has_include check should move to libc++'s <float.h>"
   81 | #      error "If libc++ starts defining <float.h>, the __has_include check should move to libc++'s <float.h>"
      |        ^
1 error generated.
ninja: build stopped: subcommand failed.

How to reproduce locally: https://github.com/google/sanitizers/wiki/SanitizerBotReproduceBuild




BUILDBOT_REVISION=6ed45a07e86efd42fa6cb024265e5fcf659bc4d9
MSAN_SYMBOLIZER_PATH=/home/b/sanitizer-x86_64-linux-fast/build/llvm_build0/bin/llvm-symbolizer
MEMORY_PRESSURE_WRITE=c29tZSAyMDAwMDAgMjAwMDAwMAA=
PWD=/home/b/sanitizer-x86_64-linux-fast/build
LOGNAME=buildbot
BUILDBOT_CLOBBER=
BUILDBOT_CLEAN=
SYSTEMD_EXEC_PID=14181
BUILDBOT_BRANCH=main
STAGE2_DIR=llvm_build_msan
BUILDBOT_CLEAN_OBJ=
HOME=/home/b
LANG=C.UTF-8
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: 95482 tests, 64 workers --
Testing:  0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80.. 
FAIL: LLVM :: CodeGen/X86/basic-block-sections-clusters-bb-hash.ll (27384 of 95482)
******************** 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/174926

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