From 2ca02c655d158b2c4aaf004c597073adf67b8967 Mon Sep 17 00:00:00 2001
From: David Blaikie <dblaikie@gmail.com>
Date: Wed, 17 Apr 2013 03:41:36 +0000
Subject: PR15149/r174304 improvement - print hex for unknown dwarf language
 codes & add a test case

CR feedback from Rafael Espindola and Paul Robinson.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179664 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/IR/DebugInfo.cpp | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

(limited to 'lib')

diff --git a/lib/IR/DebugInfo.cpp b/lib/IR/DebugInfo.cpp
index 0ffe99d7045..10beb698243 100644
--- a/lib/IR/DebugInfo.cpp
+++ b/lib/IR/DebugInfo.cpp
@@ -1054,8 +1054,13 @@ void DIScope::printInternal(raw_ostream &OS) const {
 
 void DICompileUnit::printInternal(raw_ostream &OS) const {
   DIScope::printInternal(OS);
-  if (const char *Lang = dwarf::LanguageString(getLanguage()))
-    OS << " [" << Lang << ']';
+  OS << " [";
+  unsigned Lang = getLanguage();
+  if (const char *LangStr = dwarf::LanguageString(Lang))
+    OS << LangStr;
+  else
+    (OS << "lang 0x").write_hex(Lang);
+  OS << ']';
 }
 
 void DIEnumerator::printInternal(raw_ostream &OS) const {
-- 
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