[libclang] In cxtu::getASTUnit(), check for a null CXTranslationUnit.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179121 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/tools/libclang/CXTranslationUnit.h b/tools/libclang/CXTranslationUnit.h
index 699b74a642d12c4206087be39a12b42410f5b111..bdc171cff6667825c2c593df4dbf975c4083b380 100644 (file)
--- a/tools/libclang/CXTranslationUnit.h
+++ b/tools/libclang/CXTranslationUnit.h
@@ -39,6 +39,8 @@ namespace cxtu {
 CXTranslationUnitImpl *MakeCXTranslationUnit(CIndexer *CIdx, ASTUnit *AU);
 
 static inline ASTUnit *getASTUnit(CXTranslationUnit TU) {
+  if (!TU)
+    return 0;
   return TU->TheASTUnit;
 }