Add check for an invalid CXType in clang_getTypeDeclaration.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@105111 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 7 insertions, 0 deletions

diff --git a/tools/libclang/CXTypes.cpp b/tools/libclang/CXTypes.cpp
index 137370adb2..777afb9bb7 100644
--- a/tools/libclang/CXTypes.cpp
+++ b/tools/libclang/CXTypes.cpp
@@ -165,8 +165,15 @@ CXType clang_getPointeeType(CXType CT) {
 }
 
 CXCursor clang_getTypeDeclaration(CXType CT) {
+  if (CT.kind == CXType_Invalid)
+    return cxcursor::MakeCXCursorInvalid(CXCursor_NoDeclFound);
+
   QualType T = GetQualType(CT);
   Type *TP = T.getTypePtr();
+
+  if (!TP)
+    return cxcursor::MakeCXCursorInvalid(CXCursor_NoDeclFound);
+
   Decl *D = 0;
 
   switch (TP->getTypeClass()) {