commit 1c4c397c581ad7106fc911fc4592c7aca163b5bc
author Anders Carlsson <andersca@mac.com> Fri Jun 04 01:40:08 2010 +0000
committer Anders Carlsson <andersca@mac.com> Fri Jun 04 01:40:08 2010 +0000
tree 327a11cb475002024661211a26052d80ce92aca9
parent 5d55376106f1aeabfab0bcd7e0167db904409a06

Add a short circuit in isVirtuallyDerivedFrom.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@105457 91177308-0d34-0410-b5e6-96231b3b80d8

lib/AST/CXXInheritance.cpp

diff --git a/lib/AST/CXXInheritance.cpp b/lib/AST/CXXInheritance.cpp
index bdba014..c563c37 100644
--- a/lib/AST/CXXInheritance.cpp
+++ b/lib/AST/CXXInheritance.cpp
@@ -90,6 +90,9 @@
 }
 
 bool CXXRecordDecl::isVirtuallyDerivedFrom(CXXRecordDecl *Base) const {
+  if (!getNumVBases())
+    return false;
+
   CXXBasePaths Paths(/*FindAmbiguities=*/false, /*RecordPaths=*/false,
                      /*DetectVirtual=*/false);