Revert "[Clang][Driver] Remove -M group options ..." and "[Clang] Avoid crashing...
authorJordan Rupprecht <rupprecht@google.com>
Fri, 7 Feb 2020 01:48:06 +0000 (17:48 -0800)
committerJordan Rupprecht <rupprecht@google.com>
Fri, 7 Feb 2020 01:59:15 +0000 (17:59 -0800)
commitfafddbd956dbe439787f6d717c247e648bb07ff5
tree24a674538fb467086f3c49daf0f56cbf64c8545e
parent1eaa31ce0e5242dbb4c90084952bede678e360a2
Revert "[Clang][Driver] Remove -M group options ..." and "[Clang] Avoid crashing when generating crash diagnostics when '#pragma clang __debug ..."

This reverts commits f41ec709d9d388dc43469e6ac7f51b6313f7e4af and 5fedc2b410853a6aef05e8edf19ebfc4e071e28f. On some buildbots, Clang :: Driver/crash-report.c is broken with:

```
Command Output (stderr):
--
/home/buildslave/ps4-buildslave1/clang-with-thin-lto-ubuntu/llvm-project/clang/test/Driver/crash-report.c:48:11: error: CHECK: expected string not found in input
// CHECK: Preprocessed source(s) and associated run script(s) are located at:
          ^
<stdin>:1:1: note: scanning from here
/home/buildslave/ps4-buildslave1/clang-with-thin-lto-ubuntu/llvm-project/clang/test/Driver/crash-report.c:50:1: error: unknown type name 'BAZ'
```

Example: http://lab.llvm.org:8011/builders/clang-with-thin-lto-ubuntu/builds/21321/steps/test-stage1-compiler/logs/stdio
clang/include/clang/Driver/CC1Options.td
clang/include/clang/Lex/PreprocessorOptions.h
clang/lib/Driver/Compilation.cpp
clang/lib/Driver/ToolChains/Clang.cpp
clang/lib/Frontend/CompilerInvocation.cpp
clang/lib/Lex/Pragma.cpp
clang/test/Driver/crash-report.c
clang/test/Driver/output-file-cleanup.c