[Bitcode] Handle invalid data layout gracefully

2022-02-07 12:26:12 +01:00
parent a8d48fe0fe
commit fdf8cb978f
2 changed files with 6 additions and 3 deletions
--- a/llvm/lib/Bitcode/Reader/BitcodeReader.cpp
+++ b/llvm/lib/Bitcode/Reader/BitcodeReader.cpp
@@ -3800,7 +3800,10 @@ Error BitcodeReader::parseModule(uint64_t ResumeBit,
      std::string S;
      if (convertToString(Record, 0, S))
        return error("Invalid record");
-      TheModule->setDataLayout(S);
+      Expected<DataLayout> MaybeDL = DataLayout::parse(S);
+      if (!MaybeDL)
+        return MaybeDL.takeError();
+      TheModule->setDataLayout(MaybeDL.get());
      break;
    }
    case bitc::MODULE_CODE_ASM: {  // ASM: [strchr x N]