libclang: Implicitly enable crash recovery when using the libclang APIs. We may need to add an explicit API call, but hopefully we can make the crash recovery seamless enough that it doesn't make sense to turn it off.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@111386 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 5 insertions, 0 deletions

diff --git a/tools/libclang/CIndex.cpp b/tools/libclang/CIndex.cpp
index 5e9b1ca089..e0720e788a 100644
--- a/tools/libclang/CIndex.cpp
+++ b/tools/libclang/CIndex.cpp
@@ -29,6 +29,7 @@
 #include "clang/Lex/Lexer.h"
 #include "clang/Lex/PreprocessingRecord.h"
 #include "clang/Lex/Preprocessor.h"
+#include "llvm/Support/CrashRecoveryContext.h"
 #include "llvm/Support/MemoryBuffer.h"
 #include "llvm/Support/Timer.h"
 #include "llvm/System/Program.h"
@@ -1153,6 +1154,10 @@ bool CursorVisitor::VisitAttributes(Decl *D) {
 extern "C" {
 CXIndex clang_createIndex(int excludeDeclarationsFromPCH,
                           int displayDiagnostics) {
+  // We use crash recovery to make some of our APIs more reliable, implicitly
+  // enable it.
+  llvm::CrashRecoveryContext::Enable();
+
   CIndexer *CIdxr = new CIndexer();
   if (excludeDeclarationsFromPCH)
     CIdxr->setOnlyLocalDecls();