commit 04b4ed329e7d7ef95e4008606ea917c2307f5273
author David Majnemer <david.majnemer@gmail.com> Mon Feb 16 08:14:22 2015 +0000
committer David Majnemer <david.majnemer@gmail.com> Mon Feb 16 08:14:22 2015 +0000
tree 7ea6a81ce7b402482480606558f26e067e9a9a52
parent c3fe35df4c2dff728d7fb9db9aee60bd6069cbc8

Verifier: Diagnose module flags which have null ID operands

llvm-svn: 229361

llvm/lib/IR/Verifier.cpp

diff --git a/llvm/lib/IR/Verifier.cpp b/llvm/lib/IR/Verifier.cpp
index 22a5a96..0b9f678 100644
--- a/llvm/lib/IR/Verifier.cpp
+++ b/llvm/lib/IR/Verifier.cpp
@@ -877,7 +877,7 @@
             "invalid behavior operand in module flag (unexpected constant)",
             Op->getOperand(0));
   }
-  MDString *ID = dyn_cast<MDString>(Op->getOperand(1));
+  MDString *ID = dyn_cast_or_null<MDString>(Op->getOperand(1));
   Assert1(ID,
           "invalid ID operand in module flag (expected metadata string)",
           Op->getOperand(1));