https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82936
--- Comment #4 from lizhenhuan1019 <lizhenhuan1019 at qq dot com> --- On Windows 10, MSYS2 in Mingw-w64 mode: The error output of g++ main.cpp -v -save-temps: *******The output begins Using built-in specs. COLLECT_GCC=D:\Program_Files\mysy64\mingw64\bin\g++.exe COLLECT_LTO_WRAPPER=D:/Program_Files/mysy64/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/7.2.0/lto-wrapper.exe Target: x86_64-w64-mingw32 Configured with: ../gcc-7.2.0/configure --prefix=/mingw64 --with-local-prefix=/mingw64/local --build=x86_64-w64-mingw32 --host=x86_64-w64-mingw32 --target=x86_64-w64-mingw32 --with-native-system-header-dir=/mingw64/x86_64-w64-mingw32/include --libexecdir=/mingw64/lib --enable-bootstrap --with-arch=x86-64 --with-tune=generic --enable-languages=c,lto,c++,objc,obj-c++,fortran,ada --enable-shared --enable-static --enable-libatomic --enable-threads=posix --enable-graphite --enable-fully-dynamic-string --enable-libstdcxx-time=yes --disable-libstdcxx-pch --disable-libstdcxx-debug --disable-isl-version-check --enable-lto --enable-libgomp --disable-multilib --enable-checking=release --disable-rpath --disable-win32-registry --disable-nls --disable-werror --disable-symvers --with-libiconv --with-system-zlib --with-gmp=/mingw64 --with-mpfr=/mingw64 --with-mpc=/mingw64 --with-isl=/mingw64 --with-pkgversion='Rev1, Built by MSYS2 project' --with-bugurl=https://sourceforge.net/projects/msys2 --with-gnu-as --with-gnu-ld Thread model: posix gcc version 7.2.0 (Rev1, Built by MSYS2 project) COLLECT_GCC_OPTIONS='-v' '-save-temps' '-shared-libgcc' '-mtune=generic' '-march=x86-64' D:/Program_Files/mysy64/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/7.2.0/cc1plus.exe -E -quiet -v -iprefix D:/Program_Files/mysy64/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/7.2.0/ -D_REENTRANT main.cpp -mtune=generic -march=x86-64 -fpch-preprocess -o main.ii ignoring duplicate directory "D:/Program_Files/mysy64/mingw64/lib/gcc/../../lib/gcc/x86_64-w64-mingw32/7.2.0/../../../../include/c++/7.2.0" ignoring duplicate directory "D:/Program_Files/mysy64/mingw64/lib/gcc/../../lib/gcc/x86_64-w64-mingw32/7.2.0/../../../../include/c++/7.2.0/x86_64-w64-mingw32" ignoring duplicate directory "D:/Program_Files/mysy64/mingw64/lib/gcc/../../lib/gcc/x86_64-w64-mingw32/7.2.0/../../../../include/c++/7.2.0/backward" ignoring duplicate directory "D:/Program_Files/mysy64/mingw64/lib/gcc/../../lib/gcc/x86_64-w64-mingw32/7.2.0/include" ignoring nonexistent directory "C:/building/msys64/mingw64/include" ignoring nonexistent directory "/mingw64/include" ignoring duplicate directory "D:/Program_Files/mysy64/mingw64/lib/gcc/../../lib/gcc/x86_64-w64-mingw32/7.2.0/include-fixed" ignoring duplicate directory "D:/Program_Files/mysy64/mingw64/lib/gcc/../../lib/gcc/x86_64-w64-mingw32/7.2.0/../../../../x86_64-w64-mingw32/include" ignoring nonexistent directory "C:/building/msys64/mingw64/x86_64-w64-mingw32/include" #include "..." search starts here: #include <...> search starts here: D:\library\global\include D:/Program_Files/mysy64/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/7.2.0/../../../../include/c++/7.2.0 D:/Program_Files/mysy64/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/7.2.0/../../../../include/c++/7.2.0/x86_64-w64-mingw32 D:/Program_Files/mysy64/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/7.2.0/../../../../include/c++/7.2.0/backward D:/Program_Files/mysy64/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/7.2.0/include D:/Program_Files/mysy64/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/7.2.0/../../../../include D:/Program_Files/mysy64/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/7.2.0/include-fixed D:/Program_Files/mysy64/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/7.2.0/../../../../x86_64-w64-mingw32/include End of search list. COLLECT_GCC_OPTIONS='-v' '-save-temps' '-shared-libgcc' '-mtune=generic' '-march=x86-64' D:/Program_Files/mysy64/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/7.2.0/cc1plus.exe -fpreprocessed main.ii -quiet -dumpbase main.cpp -mtune=generic -march=x86-64 -auxbase main -version -o main.s ************* The output ends. The simplified test case is simple enough so that no preprocess source is needed, so I don't upload the preprocessed source on Mingw-w64.
