[PATCH] D109544: [OpenMP] Add flag for setting debug in the offloading device

Mon Sep 13 00:26:51 PDT 2021

mgorny added a comment.

This change causes `clang-ast-dump` to segfault for me while building clang:

  [399/399] ASTNodeAPI.json
  FAILED: tools/clang/lib/Tooling/ASTNodeAPI.json /home/mgorny/git/llvm-project/build/tools/clang/lib/Tooling/ASTNodeAPI.json 
  cd /home/mgorny/git/llvm-project/build/tools/clang/lib/Tooling && /home/mgorny/git/llvm-project/build/bin/clang-ast-dump --skip-processing=0 -I /home/mgorny/git/llvm-project/build/lib/clang/14.0.0/include -I /home/mgorny/git/llvm-project/llvm/../clang/include -I /home/mgorny/git/llvm-project/build/tools/clang/include -I /home/mgorny/git/llvm-project/build/include -I /home/mgorny/git/llvm-project/llvm/include -I /usr/lib/gcc/x86_64-pc-linux-gnu/11.2.0/include/g++-v11 -I /usr/lib/gcc/x86_64-pc-linux-gnu/11.2.0/include/g++-v11/x86_64-pc-linux-gnu -I /usr/lib/gcc/x86_64-pc-linux-gnu/11.2.0/include/g++-v11/backward -I /usr/lib/gcc/x86_64-pc-linux-gnu/11.2.0/include -I /usr/lib/gcc/x86_64-pc-linux-gnu/11.2.0/include-fixed -I /usr/include --json-output-path /home/mgorny/git/llvm-project/build/tools/clang/lib/Tooling/ASTNodeAPI.json
  ninja: build stopped: subcommand failed.

  Reading symbols from /home/mgorny/git/llvm-project/build/bin/clang-ast-dump...
  [New LWP 230743]
  [Thread debugging using libthread_db enabled]
  Using host libthread_db library "/lib64/libthread_db.so.1".
  Core was generated by `/home/mgorny/git/llvm-project/build/bin/clang-ast-dump --skip-processing=0 -I /'.
  Program terminated with signal SIGSEGV, Segmentation fault.
  #0  0x00007ff222268a87 in llvm::BumpPtrAllocatorImpl<llvm::MallocAllocator, 4096ul, 4096ul, 128ul>::~BumpPtrAllocatorImpl() ()
     from /home/mgorny/git/llvm-project/build/bin/../lib/../lib/libclangLex.so.14git
  (gdb) bt
  #0  0x00007ff222268a87 in llvm::BumpPtrAllocatorImpl<llvm::MallocAllocator, 4096ul, 4096ul, 128ul>::~BumpPtrAllocatorImpl() ()
     from /home/mgorny/git/llvm-project/build/bin/../lib/../lib/libclangLex.so.14git
  #1  0x00007ff2222a1404 in clang::HeaderSearch::~HeaderSearch() ()
     from /home/mgorny/git/llvm-project/build/bin/../lib/../lib/libclangLex.so.14git
  #2  0x00007ff2222a1859 in clang::Preprocessor::~Preprocessor() ()
     from /home/mgorny/git/llvm-project/build/bin/../lib/../lib/libclangLex.so.14git
  #3  0x00007ff224d3175c in std::__shared_count<(__gnu_cxx::_Lock_policy)2>::~__shared_count() ()
     from /home/mgorny/git/llvm-project/build/bin/../lib/libclangFrontend.so.14git
  #4  0x00007ff224d4c801 in clang::CompilerInstance::~CompilerInstance() ()
     from /home/mgorny/git/llvm-project/build/bin/../lib/libclangFrontend.so.14git
  #5  0x0000556c688f8a95 in main ()

I'm going to try RelWithDebInfo build but I'm afraid I don't have sufficient free space for that.

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D109544/new/

https://reviews.llvm.org/D109544