From d951a7ebf867f339aa3e26e5cc614fc22f903497 Mon Sep 17 00:00:00 2001
From: Anders Carlsson <andersca@mac.com>
Date: Wed, 2 Jun 2010 05:07:26 +0000
Subject: Correctly mangle unsigned integer literals where the high bit is set.

llvm-svn: 105312
---
 clang/lib/CodeGen/Mangle.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'clang/lib/CodeGen/Mangle.cpp')

diff --git a/clang/lib/CodeGen/Mangle.cpp b/clang/lib/CodeGen/Mangle.cpp
index fa42b638e07..b7d8e2704a4 100644
--- a/clang/lib/CodeGen/Mangle.cpp
+++ b/clang/lib/CodeGen/Mangle.cpp
@@ -1391,9 +1391,11 @@ void CXXNameMangler::mangleIntegerLiteral(QualType T,
     // Boolean values are encoded as 0/1.
     Out << (Value.getBoolValue() ? '1' : '0');
   } else {
-    if (Value.isNegative())
+    if (Value.isSigned() && Value.isNegative()) {
       Out << 'n';
-    Value.abs().print(Out, false);
+      Value.abs().print(Out, true);
+    } else
+      Value.print(Out, Value.isSigned());
   }
   Out << 'E';
 
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