From ad5f0789f68bfd0d5336e40d2cc53bffc3dc05b5 Mon Sep 17 00:00:00 2001
From: Eli Friedman <eli.friedman@gmail.com>
Date: Tue, 23 Feb 2010 18:20:18 +0000
Subject: PR6400: Handle an extreme edge case in mangling correctly.

llvm-svn: 96961
---
 clang/test/CodeGenCXX/mangle-subst-std.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'clang/test/CodeGenCXX/mangle-subst-std.cpp')

diff --git a/clang/test/CodeGenCXX/mangle-subst-std.cpp b/clang/test/CodeGenCXX/mangle-subst-std.cpp
index 913c8f101b5..062610bd74a 100644
--- a/clang/test/CodeGenCXX/mangle-subst-std.cpp
+++ b/clang/test/CodeGenCXX/mangle-subst-std.cpp
@@ -55,3 +55,9 @@ namespace std
   terminate_handler set_terminate(terminate_handler) { return 0; }
 }
 }
+
+// Make sure we don't treat the following like std::string
+// CHECK: define void @_Z1f12basic_stringIcSt11char_traitsIcESaIcEE
+template<typename, typename, typename> struct basic_string { };
+typedef basic_string<char, std::char_traits<char>, std::allocator<char> > not_string;
+void f(not_string) { }
-- 
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