More fixes/tests.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148777 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/CFG.cpp b/lib/Analysis/CFG.cpp
index c760d49..c7040fc 100644
--- a/lib/Analysis/CFG.cpp
+++ b/lib/Analysis/CFG.cpp
@@ -721,7 +721,7 @@
     }
     
     const CXXDestructorDecl *Dtor = Ty->getAsCXXRecordDecl()->getDestructor();
-    if (cast<FunctionType>(Dtor->getType())->getNoReturnAttr())
+    if (Dtor && cast<FunctionType>(Dtor->getType())->getNoReturnAttr())
       Block = createNoReturnBlock();
     else
       autoCreateBlock();
@@ -864,7 +864,7 @@
 
   // Check if type is a C++ class with non-trivial destructor.
   if (const CXXRecordDecl *CD = QT->getAsCXXRecordDecl())
-    if (!CD->hasTrivialDestructor()) {
+    if (CD->hasDefinition() && !CD->hasTrivialDestructor()) {
       // Add the variable to scope
       Scope = createOrReuseLocalScope(Scope);
       Scope->addVar(VD);