From 75a0dac4b399bdcbb8e137a8c5c5c1e10d444e3c Mon Sep 17 00:00:00 2001
From: Adrian Prantl <aprantl@apple.com>
Date: Thu, 2 Oct 2014 16:42:13 +0000
Subject: Pretty-printer: Paper over an ambiguity between line table entries
 and tagged mdnodes.

fixes http://llvm.org/bugs/show_bug.cgi?id=21131

llvm-svn: 218885
---
 llvm/lib/IR/DebugInfo.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'llvm')

diff --git a/llvm/lib/IR/DebugInfo.cpp b/llvm/lib/IR/DebugInfo.cpp
index 206d04e3749..2226dd63be6 100644
--- a/llvm/lib/IR/DebugInfo.cpp
+++ b/llvm/lib/IR/DebugInfo.cpp
@@ -1460,7 +1460,9 @@ void DIExpression::printInternal(raw_ostream &OS) const {
       break;
     }
     default:
-      break;
+      // Else bail out early. This may be a line table entry.
+      OS << "Unknown]";
+      return;
     }
     OS << "]";
   }
-- 
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