commit e7a9cdbd200060168a348db1705cb8eccd65241a
author David Majnemer <david.majnemer@gmail.com> Mon Feb 16 06:04:53 2015 +0000
committer David Majnemer <david.majnemer@gmail.com> Mon Feb 16 06:04:53 2015 +0000
tree 70d64a13ecd5baa6e481d09ec6b250852897bdc2
parent 4b04292643f64013825bc94bfd34808a5490da6b

DebugInfo: Don't crash if 'Debug Info Version' has a strange value

llvm-svn: 229356

llvm/lib/IR/DebugInfo.cpp

diff --git a/llvm/lib/IR/DebugInfo.cpp b/llvm/lib/IR/DebugInfo.cpp
index 31f1e19..deeaae7 100644
--- a/llvm/lib/IR/DebugInfo.cpp
+++ b/llvm/lib/IR/DebugInfo.cpp
@@ -1537,7 +1537,7 @@
 }
 
 unsigned llvm::getDebugMetadataVersionFromModule(const Module &M) {
-  if (auto *Val = mdconst::extract_or_null<ConstantInt>(
+  if (auto *Val = mdconst::dyn_extract_or_null<ConstantInt>(
           M.getModuleFlag("Debug Info Version")))
     return Val->getZExtValue();
   return 0;