diff options
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/XRay/FDRRecordProducer.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/llvm/lib/XRay/FDRRecordProducer.cpp b/llvm/lib/XRay/FDRRecordProducer.cpp index 4b010f1fa62..59b5697cd64 100644 --- a/llvm/lib/XRay/FDRRecordProducer.cpp +++ b/llvm/lib/XRay/FDRRecordProducer.cpp @@ -84,6 +84,12 @@ Expected<std::unique_ptr<Record>> FileBasedRecordProducer::produce() { // the rest of the bytes. auto PreReadOffset = OffsetPtr; uint8_t FirstByte = E.getU8(&OffsetPtr); + if (OffsetPtr == PreReadOffset) + return createStringError( + std::make_error_code(std::errc::executable_format_error), + "Failed reading one byte from offset %d.", OffsetPtr); + + // Set up our result record. std::unique_ptr<Record> R; // For metadata records, handle especially here. |
