Added support for attribute "noreturn."


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@47689 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/Sema/Sema.h b/Sema/Sema.h
index c2d249a..17ba542 100644
--- a/Sema/Sema.h
+++ b/Sema/Sema.h
@@ -272,6 +272,7 @@
   void HandleAlignedAttribute(Decl *d, AttributeList *rawAttr);
   void HandlePackedAttribute(Decl *d, AttributeList *rawAttr);
   void HandleAnnotateAttribute(Decl *d, AttributeList *rawAttr);
+  void HandleNoReturnAttribute(Decl *d, AttributeList *rawAttr);
   
   void WarnUndefinedMethod(SourceLocation ImpLoc, ObjCMethodDecl *method,
                            bool &IncompleteImpl);