Fixes crash in isDerivedFrom for recursive templates.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@169262 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/ASTMatchers/ASTMatchFinder.cpp b/lib/ASTMatchers/ASTMatchFinder.cpp
index c13cf4a..7f89550 100644
--- a/lib/ASTMatchers/ASTMatchFinder.cpp
+++ b/lib/ASTMatchers/ASTMatchFinder.cpp
@@ -605,7 +605,12 @@
ClassDecl = TypeNode->getAsCXXRecordDecl();
}
assert(ClassDecl != NULL);
- assert(ClassDecl != Declaration);
+ if (ClassDecl == Declaration) {
+ // This can happen for recursive template definitions; if the
+ // current declaration did not match, we can safely return false.
+ assert(TemplateType);
+ return false;
+ }
if (Base.matches(*ClassDecl, this, Builder))
return true;
if (classIsDerivedFrom(ClassDecl, Base, Builder))