[cfe-commits] r96742 - /cfe/trunk/lib/Sema/SemaOverload.cpp

[Douglas Gregor]

Author: dgregor
Date: Sun Feb 21 12:30:38 2010
New Revision: 96742

URL: http://llvm.org/viewvc/llvm-project?rev=96742&view=rev
Log:
A constructor template cannot be used to copy to an object of the same class type (per C++ [class.copy]p3). Make sure that includes copies that involve a derived-to-base conversion. Fixes PR6141.

Modified:
    cfe/trunk/lib/Sema/SemaOverload.cpp

Modified: cfe/trunk/lib/Sema/SemaOverload.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Sema/SemaOverload.cpp?rev=96742&r1=96741&r2=96742&view=diff
==============================================================================
--- cfe/trunk/lib/Sema/SemaOverload.cpp (original)
+++ cfe/trunk/lib/Sema/SemaOverload.cpp Sun Feb 21 12:30:38 2010
@@ -2439,7 +2439,8 @@
     QualType ClassType = Context.getTypeDeclType(Constructor->getParent());
     if (NumArgs == 1 && 
         Constructor->isCopyConstructorLikeSpecialization() &&
-        Context.hasSameUnqualifiedType(ClassType, Args[0]->getType()))
+        (Context.hasSameUnqualifiedType(ClassType, Args[0]->getType()) ||
+         IsDerivedFrom(Args[0]->getType(), ClassType)))
       return;
   }