[PATCH] D63309: [llvm-objcopy][MachO] Rebuild the symbol/string table in the writer

[Anusha Basana via Phabricator via llvm-commits]

anushabasana added a comment.

I am getting the compile warnings below when compiling on gcc version 7.3.1.

  [1/4] Building CXX object tools/llvm-objcopy/CMakeFiles/llvm-objcopy.dir/MachO/MachOReader.cpp.o
  /home/anushabasana/local/llvm-project/llvm/tools/llvm-objcopy/MachO/MachOReader.cpp: In instantiation of ‘std::vector<llvm::objcopy::macho::Section> llvm::objcopy::macho::extractSections(const llvm::object::MachOObjectFile::LoadCommandInfo&, const llvm::object::MachOObjectFile&, size_t&) [with SectionType = llvm::MachO::section; SegmentType = llvm::MachO::segment_command; size_t = long unsigned int]’:
  /home/anushabasana/local/llvm-project/llvm/tools/llvm-objcopy/MachO/MachOReader.cpp:124:46:   required from here
  /home/anushabasana/local/llvm-project/llvm/tools/llvm-objcopy/MachO/MachOReader.cpp:106:17: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
             reinterpret_cast<MachO::scattered_relocation_info *>(&R.Info)
             ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
                 ->r_scattered;
                 ~~^~~~~~~~~~~
  /home/anushabasana/local/llvm-project/llvm/tools/llvm-objcopy/MachO/MachOReader.cpp: In instantiation of ‘std::vector<llvm::objcopy::macho::Section> llvm::objcopy::macho::extractSections(const llvm::object::MachOObjectFile::LoadCommandInfo&, const llvm::object::MachOObjectFile&, size_t&) [with SectionType = llvm::MachO::section_64; SegmentType = llvm::MachO::segment_command_64; size_t = long unsigned int]’:
  /home/anushabasana/local/llvm-project/llvm/tools/llvm-objcopy/MachO/MachOReader.cpp:129:50:   required from here
  /home/anushabasana/local/llvm-project/llvm/tools/llvm-objcopy/MachO/MachOReader.cpp:106:17: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]


Repository:
  rL LLVM

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D63309/new/

https://reviews.llvm.org/D63309