nickdesaulniers added a comment.
These windows buildbot failures are tough to make out:
https://lab.llvm.org/buildbot/#/builders/127/builds/46749/steps/4/logs/stdio
[2/1778] Building CXX object
lib\Demangle\CMakeFiles\LLVMDemangle.dir\DLangDemangle.cpp.obj
FAILED: lib/Demangle/CMakeFiles/LLVMDemangle.dir/DLangDemangle.cpp.obj
C:\PROGRA~2\MIB055~1\2019\PROFES~1\VC\Tools\MSVC\1429~1.301\bin\Hostx64\x64\cl.exe
/nologo /TP -DGTEST_HAS_RTTI=0 -DUNICODE -D_CRT_NONSTDC_NO_DEPRECATE
-D_CRT_NONSTDC_NO_WARNINGS -D_CRT_SECURE_NO_DEPRECATE -D_CRT_SECURE_NO_WARNINGS
-D_GLIBCXX_ASSERTIONS -D_HAS_EXCEPTIONS=0 -D_LIBCPP_ENABLE_ASSERTIONS
-D_SCL_SECURE_NO_DEPRECATE -D_SCL_SECURE_NO_WARNINGS -D_UNICODE
-D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS
-Ilib\Demangle -IC:\b\slave\sanitizer-windows\llvm-project\llvm\lib\Demangle
-Iinclude -IC:\b\slave\sanitizer-windows\llvm-project\llvm\include /DWIN32
/D_WINDOWS /Zc:inline /Zc:preprocessor /Zc:__cplusplus /Zi /Oi /bigobj
/permissive- /W4 -wd4141 -wd4146 -wd4244 -wd4267 -wd4291 -wd4351 -wd4456
-wd4457 -wd4458 -wd4459 -wd4503 -wd4624 -wd4722 -wd4100 -wd4127 -wd4512 -wd4505
-wd4610 -wd4510 -wd4702 -wd4245 -wd4706 -wd4310 -wd4701 -wd4703 -wd4389 -wd4611
-wd4805 -wd4204 -wd4577 -wd4091 -wd4592 -wd4319 -wd4709 -wd5105 -wd4324 -w14062
-we4238 /Gw /MD /O2 /Ob2 /EHs-c- /GR- -UNDEBUG -std:c++17 /showIncludes
/Folib\Demangle\CMakeFiles\LLVMDemangle.dir\DLangDemangle.cpp.obj
/Fdlib\Demangle\CMakeFiles\LLVMDemangle.dir\LLVMDemangle.pdb /FS -c
C:\b\slave\sanitizer-windows\llvm-project\llvm\lib\Demangle\DLangDemangle.cpp
C:\b\slave\sanitizer-windows\llvm-project\llvm\include\llvm/Demangle/Utility.h(111):
error C2664: 'void *memcpy(void *,const void *,size_t)': cannot convert
argument 2 from 'std::_String_view_iterator<_Traits>' to 'const void *'
with
[
_Traits=std::char_traits<char>
]
C:\b\slave\sanitizer-windows\llvm-project\llvm\include\llvm/Demangle/Utility.h(111):
note: No user-defined-conversion operator available that can perform this
conversion, or the operator cannot be called
C:\Program Files (x86)\Microsoft Visual
Studio\2019\Professional\VC\Tools\MSVC\14.29.30133\include\vcruntime_string.h(43):
note: see declaration of 'memcpy'
So something crazy is going on with `std::string_view::iterator` and implicit
conversion to `void*`? Is this an issue in Windows C++17 support?
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D148384/new/
https://reviews.llvm.org/D148384
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