[PATCH] D41526: [libclang] Avoid builtin trap for __debug parser_crash pragma

[Alex Lorenz via Phabricator via cfe-commits]

arphaman created this revision.
arphaman added a reviewer: benlangmuir.
Herald added a subscriber: JDevlieghere.

This patch allows libclang to report a parser crash that's caused by `#pragma clang __debug parser_crash` without using the `LLVM_BUILTIN_TRAP`. Instead a new flag in PPOpts is used to let libclang know that a simulated crash has occurred. This flag allows clients to test that libclang can report a parser crash (CXError_Crash) when libclang is ran under a debugger that breaks on `LLVM_BUILTIN_TRAP`.


Repository:
  rC Clang

https://reviews.llvm.org/D41526

Files:
  include/clang/Frontend/ASTUnit.h
  include/clang/Lex/PreprocessorOptions.h
  lib/Frontend/ASTUnit.cpp
  lib/Parse/ParseDecl.cpp
  tools/libclang/CIndex.cpp
  unittests/libclang/LibclangTest.cpp

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