Two files are moved to libstdc++, and a NOTE gets added

llvm-svn: 15514
diff --git a/llvm/runtime/GCCLibraries/crtend/Exception.h b/llvm/runtime/GCCLibraries/crtend/Exception.h
index d3f95e7..1e51519 100644
--- a/llvm/runtime/GCCLibraries/crtend/Exception.h
+++ b/llvm/runtime/GCCLibraries/crtend/Exception.h
@@ -1,8 +1,18 @@
 //===- Exception.h - Generic language-independent exceptions ----*- C++ -*-===//
+// 
+//                     The LLVM Compiler Infrastructure
+//
+// This file was developed by the LLVM research group and is distributed under
+// the University of Illinois Open Source License. See LICENSE.TXT for details.
+// 
+//===----------------------------------------------------------------------===//
 //
 // This file defines the the shared data structures used by all language
 // specific exception handling runtime libraries.
 //
+// NOTE NOTE NOTE: A copy of this file lives in llvmgcc/libstdc++-v3/libsupc++/
+// Any modifications to this file must keep it in sync!
+//
 //===----------------------------------------------------------------------===//
 
 #ifndef EXCEPTION_H