diff options
| -rw-r--r-- | llvm/lib/Bitcode/Reader/MetadataLoader.cpp | 4 | ||||
| -rw-r--r-- | llvm/test/Bitcode/Inputs/apple-clang-700-O3-g-1.bc | bin | 0 -> 8096 bytes | |||
| -rw-r--r-- | llvm/test/Bitcode/apple-clang-700-compat.test | 8 |
3 files changed, 10 insertions, 2 deletions
diff --git a/llvm/lib/Bitcode/Reader/MetadataLoader.cpp b/llvm/lib/Bitcode/Reader/MetadataLoader.cpp index 1af17f485e1..3fe7d220563 100644 --- a/llvm/lib/Bitcode/Reader/MetadataLoader.cpp +++ b/llvm/lib/Bitcode/Reader/MetadataLoader.cpp @@ -1139,7 +1139,7 @@ Error MetadataLoader::MetadataLoaderImpl::parseOneMetadata( break; } case bitc::METADATA_LOCATION: { - if (Record.size() != 6) + if (Record.size() != 5 && Record.size() != 6) return error("Invalid record"); IsDistinct = Record[0]; @@ -1147,7 +1147,7 @@ Error MetadataLoader::MetadataLoaderImpl::parseOneMetadata( unsigned Column = Record[2]; Metadata *Scope = getMD(Record[3]); Metadata *InlinedAt = getMDOrNull(Record[4]); - bool ImplicitCode = Record[5]; + bool ImplicitCode = Record.size() == 6 && Record[5]; MetadataList.assignValue( GET_OR_DISTINCT(DILocation, (Context, Line, Column, Scope, InlinedAt, ImplicitCode)), diff --git a/llvm/test/Bitcode/Inputs/apple-clang-700-O3-g-1.bc b/llvm/test/Bitcode/Inputs/apple-clang-700-O3-g-1.bc Binary files differnew file mode 100644 index 00000000000..01f221d575c --- /dev/null +++ b/llvm/test/Bitcode/Inputs/apple-clang-700-O3-g-1.bc diff --git a/llvm/test/Bitcode/apple-clang-700-compat.test b/llvm/test/Bitcode/apple-clang-700-compat.test new file mode 100644 index 00000000000..c7ab2f49687 --- /dev/null +++ b/llvm/test/Bitcode/apple-clang-700-compat.test @@ -0,0 +1,8 @@ +; AppleClang-700 uses a debug info version that isn't recognized by llvm.org +; compilers. However, it does produce valid bitcode which should parse without +; crashing the metadata loader. + +RUN: llvm-dis < %S/Inputs/apple-clang-700-O3-g-1.bc 2>&1 \ +RUN: | FileCheck %s -check-prefix INVALID-VERSION + +INVALID-VERSION: warning: ignoring debug info with an invalid version (700000003) |
