diff options
Diffstat (limited to 'lib/Frontend/SerializedDiagnosticReader.cpp')
| -rw-r--r-- | lib/Frontend/SerializedDiagnosticReader.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/Frontend/SerializedDiagnosticReader.cpp b/lib/Frontend/SerializedDiagnosticReader.cpp index 8a8161488f447..08b7087fbad62 100644 --- a/lib/Frontend/SerializedDiagnosticReader.cpp +++ b/lib/Frontend/SerializedDiagnosticReader.cpp @@ -27,6 +27,9 @@ std::error_code SerializedDiagnosticReader::readDiagnostics(StringRef File) { llvm::BitstreamCursor Stream(**Buffer); Optional<llvm::BitstreamBlockInfo> BlockInfo; + if (Stream.AtEndOfStream()) + return SDError::InvalidSignature; + // Sniff for the signature. if (Stream.Read(8) != 'D' || Stream.Read(8) != 'I' || |