Make typo-correction of inheriting constructors work a bit better. Limit
correction to direct base class members, and recover properly after we apply
such a correction.

llvm-svn: 207731
diff --git a/clang/lib/Sema/SemaTemplateInstantiateDecl.cpp b/clang/lib/Sema/SemaTemplateInstantiateDecl.cpp
index 316b574..8abe2fe 100644
--- a/clang/lib/Sema/SemaTemplateInstantiateDecl.cpp
+++ b/clang/lib/Sema/SemaTemplateInstantiateDecl.cpp
@@ -2182,8 +2182,7 @@
     return NewUD;
 
   if (NameInfo.getName().getNameKind() == DeclarationName::CXXConstructorName) {
-    if (SemaRef.CheckInheritingConstructorUsingDecl(NewUD))
-      NewUD->setInvalidDecl();
+    SemaRef.CheckInheritingConstructorUsingDecl(NewUD);
     return NewUD;
   }