Fix Release-Asserts warning.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59013 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/AST/ASTContext.cpp b/lib/AST/ASTContext.cpp
index 52abf43..e84cc4b 100644
--- a/lib/AST/ASTContext.cpp
+++ b/lib/AST/ASTContext.cpp
@@ -1811,6 +1811,7 @@
   }
 
   assert(false && "Unhandled TargetInfo::IntType value");
+  return QualType();
 }
 
 //===----------------------------------------------------------------------===//