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-rw-r--r--llvm/include/llvm/DebugInfo/CodeView/RecordSerialization.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/llvm/include/llvm/DebugInfo/CodeView/RecordSerialization.h b/llvm/include/llvm/DebugInfo/CodeView/RecordSerialization.h
index ef44f9d9418..84179f5f81f 100644
--- a/llvm/include/llvm/DebugInfo/CodeView/RecordSerialization.h
+++ b/llvm/include/llvm/DebugInfo/CodeView/RecordSerialization.h
@@ -140,6 +140,9 @@ struct serialize_null_term_string_array_impl {
: Item(Item) {}
std::error_code deserialize(ArrayRef<uint8_t> &Data) const {
+ if (Data.empty())
+ return std::make_error_code(std::errc::illegal_byte_sequence);
+
StringRef Field;
// Stop when we run out of bytes or we hit record padding bytes.
while (Data.front() != 0) {
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