clang version 12.0.1 (https://github.com/Microsoft/checkedc-clang 249894cbba5f05cdbb634bc2dd1f414923d8d6b6)
Target: x86_64-w64-windows-gnu
Thread model: posix
InstalledDir: C:\Program Files\CheckedC-Clang\bin
 "C:\\Program Files\\CheckedC-Clang\\bin\\clang.exe" -cc1 -triple x86_64-w64-windows-gnu -emit-obj -mrelax-all -disable-free -main-file-name test_checked.c -mrelocation-model pic -pic-level 2 -mframe-pointer=none -fmath-errno -fno-rounding-math -mconstructor-aliases -mms-bitfields -munwind-tables -target-cpu x86-64 -tune-cpu generic -debugger-tuning=gdb -v -resource-dir "C:\\Program Files\\CheckedC-Clang\\lib\\clang\\12.0.1" -isysroot "C:\\tools\\msys64\\mingw64" -internal-isystem "C:\\Program Files\\CheckedC-Clang\\lib\\clang\\12.0.1\\include" -internal-isystem "C:\\tools\\msys64\\mingw64\\x86_64-w64-mingw32/sys-root/mingw/include" -internal-isystem "C:\\tools\\msys64\\mingw64\\x86_64-w64-mingw32\\include" -internal-isystem "C:\\tools\\msys64\\mingw64\\include" -fdebug-compilation-dir "C:\\code\\BLAS\\CheckedC_BLAS\\LEVEL_1" -ferror-limit 19 -fmessage-length=148 -fno-use-cxa-atexit -fgnuc-version=4.2.1 -exception-model=seh -fcolor-diagnostics -faddrsig -o "C:\\Users\\Jack\\AppData\\Local\\Temp\\test_checked-2c83e5.o" -x c test_checked.c
clang -cc1 version 12.0.1 based upon CheckedC-Clang 12.0.1 default target x86_64-pc-windows-msvc
ignoring nonexistent directory "C:\tools\msys64\mingw64\x86_64-w64-mingw32/sys-root/mingw/include"
ignoring nonexistent directory "C:\tools\msys64\mingw64\x86_64-w64-mingw32\include"
#include "..." search starts here:
#include <...> search starts here:
 C:\Program Files\CheckedC-Clang\lib\clang\12.0.1\include
 C:\tools\msys64\mingw64\include
End of search list.
In file included from test_checked.c:1:
In file included from C:\Program Files\CheckedC-Clang\lib\clang\12.0.1\include\stdio_checked.h:16:
In file included from C:\tools\msys64\mingw64\include\stdio.h:1580:
In file included from C:\tools\msys64\mingw64\include\sec_api/stdio_s.h:9:
In file included from C:\Program Files\CheckedC-Clang\lib\clang\12.0.1\include\stdio.h:22:
C:\Program Files\CheckedC-Clang\lib\clang\12.0.1\include\stdio_checked.h:33:1: error: unknown type name '_ACRTIMP_ALT'
_ACRTIMP_ALT FILE* __cdecl __acrt_iob_func(unsigned) : itype(_Ptr<FILE>);
^
C:\Program Files\CheckedC-Clang\lib\clang\12.0.1\include\stdio_checked.h:33:18: error: expected ';' after top level declarator
_ACRTIMP_ALT FILE* __cdecl __acrt_iob_func(unsigned) : itype(_Ptr<FILE>);
                 ^
2 errors generated.