From: Adrian Prantl <aprantl@apple.com>
Date: Thu, 2 Oct 2014 16:42:13 +0000 (+0000)
Subject: Pretty-printer: Paper over an ambiguity between line table entries
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=8ceff5c2b2d2dba9ba04d614b9207f8785d8dd83;p=llvm

Pretty-printer: Paper over an ambiguity between line table entries
and tagged mdnodes.

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

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@218885 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/IR/DebugInfo.cpp b/lib/IR/DebugInfo.cpp
index 206d04e3749..2226dd63be6 100644
--- a/lib/IR/DebugInfo.cpp
+++ b/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 << "]";
   }