MaskRay wrote: > > This seems to break tests on my Windows box: > > http://45.33.8.238/win/91548/step_6.txt > > This is the failed test: > > ``` > c:\src\llvm-project\out\gn\bin\clang.exe -Ofast -O2 -### -Werror > C:\src\llvm-project\clang\test\Driver\Ofast.c 2>&1 | > c:\src\llvm-project\out\gn\bin\filecheck.exe -check-prefix=CHECK-OFAST-O2 > --check-prefix=CHECK-OFAST-O2-ALIASING-MSVC > C:\src\llvm-project\clang\test\Driver\Ofast.c > # executed command: 'c:\src\llvm-project\out\gn\bin\clang.exe' -Ofast -O2 > '-###' -Werror 'C:\src\llvm-project\clang\test\Driver\Ofast.c' > # note: command had no output on stdout or stderr > # error: command failed with exit status: 1 > # executed command: 'c:\src\llvm-project\out\gn\bin\filecheck.exe' > -check-prefix=CHECK-OFAST-O2 --check-prefix=CHECK-OFAST-O2-ALIASING-MSVC > 'C:\src\llvm-project\clang\test\Driver\Ofast.c' > ``` > > Somehow `clang.exe -Ofast -O2 -### -Werror > C:\src\llvm-project\clang\test\Driver\Ofast.c 2>&1` is not producing any > output for you, despite `-###` being present. I'm not sure why, but all > windows buildbots seem to be happy with this patch. Can you investigate > further? > > CC @AaronBallman @MaskRay
One possibility is that -Wno-msvc-not-found is relevant: c3a50879dfca9ab06ebfe52f48019bb6ac40bb4d . The same "diagnostics are suppressed" issue happened recently on two bots that @dyung maintains, but I do not know whether theirs are Windows bots. https://github.com/llvm/llvm-project/pull/98736 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits