From aeb85374e92619b8e4ce92ac6e30756b5053a137 Mon Sep 17 00:00:00 2001
From: Anders Carlsson <andersca@mac.com>
Date: Sat, 26 Sep 2009 22:18:22 +0000
Subject: [PATCH] Handle substitutions in mangleTemplatePrefix.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@82879 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/CodeGen/Mangle.cpp     | 7 ++++++-
 test/CodeGenCXX/mangle.cpp | 3 +--
 2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/lib/CodeGen/Mangle.cpp b/lib/CodeGen/Mangle.cpp
index c07d9039c0..3db736b7b4 100644
--- a/lib/CodeGen/Mangle.cpp
+++ b/lib/CodeGen/Mangle.cpp
@@ -531,10 +531,15 @@ void CXXNameMangler::mangleTemplatePrefix(const TemplateDecl *ND) {
   //                   ::= <template-param>
   //                   ::= <substitution>
 
-  // FIXME: <substitution> and <template-param>
+  if (mangleSubstitution(ND))
+    return;
+  
+  // FIXME: <template-param>
   
   manglePrefix(ND->getDeclContext());
   mangleUnqualifiedName(ND->getTemplatedDecl());
+  
+  addSubstitution(ND);
 }
 
 void
diff --git a/test/CodeGenCXX/mangle.cpp b/test/CodeGenCXX/mangle.cpp
index eb6267bb6e..fffd4569b4 100644
--- a/test/CodeGenCXX/mangle.cpp
+++ b/test/CodeGenCXX/mangle.cpp
@@ -162,8 +162,7 @@ namespace NS {
 template<typename T> bool operator==(const A<T>&, const A<T>&) { return true; }
 }
 
-// FIXME: This should be _ZN2NSeqIcEEbRK1AIT_ES5_
-// CHECK: @_ZN2NSeqIcEEbRK1AIT_ES4_
+// CHECK: @_ZN2NSeqIcEEbRK1AIT_ES5_
 template bool NS::operator==(const ::A<char>&, const ::A<char>&);
 
 namespace std {
-- 
2.40.0