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-rw-r--r--llvm/lib/Bitcode/Reader/MetadataLoader.cpp6
-rw-r--r--llvm/lib/Bitcode/Writer/BitcodeWriter.cpp1
2 files changed, 5 insertions, 2 deletions
diff --git a/llvm/lib/Bitcode/Reader/MetadataLoader.cpp b/llvm/lib/Bitcode/Reader/MetadataLoader.cpp
index cdcf7a8..ed0443f 100644
--- a/llvm/lib/Bitcode/Reader/MetadataLoader.cpp
+++ b/llvm/lib/Bitcode/Reader/MetadataLoader.cpp
@@ -1860,7 +1860,7 @@ Error MetadataLoader::MetadataLoaderImpl::parseOneMetadata(
break;
}
case bitc::METADATA_COMPILE_UNIT: {
- if (Record.size() < 14 || Record.size() > 22)
+ if (Record.size() < 14 || Record.size() > 23)
return error("Invalid record");
// Ignore Record[0], which indicates whether this compile unit is
@@ -1869,11 +1869,13 @@ Error MetadataLoader::MetadataLoaderImpl::parseOneMetadata(
const auto LangVersionMask = (uint64_t(1) << 63);
const bool HasVersionedLanguage = Record[1] & LangVersionMask;
+ const uint32_t LanguageVersion = Record.size() > 22 ? Record[22] : 0;
auto *CU = DICompileUnit::getDistinct(
Context,
HasVersionedLanguage
- ? DISourceLanguageName(Record[1] & ~LangVersionMask, 0)
+ ? DISourceLanguageName(Record[1] & ~LangVersionMask,
+ LanguageVersion)
: DISourceLanguageName(Record[1]),
getMDOrNull(Record[2]), getMDString(Record[3]), Record[4],
getMDString(Record[5]), Record[6], getMDString(Record[7]), Record[8],
diff --git a/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp b/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp
index 54e916e..8ff3aa9 100644
--- a/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp
+++ b/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp
@@ -2142,6 +2142,7 @@ void ModuleBitcodeWriter::writeDICompileUnit(const DICompileUnit *N,
Record.push_back(N->getRangesBaseAddress());
Record.push_back(VE.getMetadataOrNullID(N->getRawSysRoot()));
Record.push_back(VE.getMetadataOrNullID(N->getRawSDK()));
+ Record.push_back(Lang.hasVersionedName() ? Lang.getVersion() : 0);
Stream.EmitRecord(bitc::METADATA_COMPILE_UNIT, Record, Abbrev);
Record.clear();