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authorDevang Patel <dpatel@apple.com>2010-01-09 01:02:22 +0000
committerDevang Patel <dpatel@apple.com>2010-01-09 01:02:22 +0000
commitb2a44e0b23627ef7944a83e9ff76b8373421a9c9 (patch)
treedd796e2a2fed01e0b3ba3ebb0399e236d4dfa61f /lib/Bitcode/Reader/BitcodeReader.cpp
parent3c5c9ee39c55425fa2281299e389fd61be558b89 (diff)
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NamedMDNode element is either null or MDNode. Otherwise this is a malformed NamedMDNode record.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93037 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Bitcode/Reader/BitcodeReader.cpp')
-rw-r--r--lib/Bitcode/Reader/BitcodeReader.cpp4
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/Bitcode/Reader/BitcodeReader.cpp b/lib/Bitcode/Reader/BitcodeReader.cpp
index 33da5e4..bec9c50 100644
--- a/lib/Bitcode/Reader/BitcodeReader.cpp
+++ b/lib/Bitcode/Reader/BitcodeReader.cpp
@@ -793,8 +793,10 @@ bool BitcodeReader::ParseMetadata() {
Elts.push_back(NULL);
else {
Value *MD = MDValueList.getValueFwdRef(Record[i]);
- if (MDNode *B = dyn_cast_or_null<MDNode>(MD))
+ if (MDNode *B = dyn_cast<MDNode>(MD))
Elts.push_back(B);
+ else
+ return Error("Malformed metadata record");
}
}
Value *V = NamedMDNode::Create(Context, Name.str(), Elts.data(),