[analyzer] Don't try to devirtualize if the class is incomplete.

A similar issue to the previous commit, introduced by r161915.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161961 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/StaticAnalyzer/Core/CallEvent.cpp b/lib/StaticAnalyzer/Core/CallEvent.cpp
index c625f24e07f8af9b7cbad58fda9ff3310076742d..8481cd9c3396e653431b32e4c14f0ccc446ea8d6 100644 (file)
--- a/lib/StaticAnalyzer/Core/CallEvent.cpp
+++ b/lib/StaticAnalyzer/Core/CallEvent.cpp
@@ -401,7 +401,7 @@ RuntimeDefinition CXXInstanceCall::getRuntimeDefinition() const {
   // Is the type a C++ class? (This is mostly a defensive check.)
   QualType RegionType = DynType.getType()->getPointeeType();
   const CXXRecordDecl *RD = RegionType->getAsCXXRecordDecl();
-  if (!RD)
+  if (!RD || !RD->hasDefinition())
     return RuntimeDefinition();
 
   // Find the decl for this method in that class.