[PATCH] D137527: [C++20] [Modules] [ClangScanDeps] Add ClangScanDeps support for C++20 Named Modules in P1689 format (2/4)

[Douglas Yung via Phabricator via cfe-commits]

dyung added a comment.

I'm still seeing random crashes today on a linux buildbot in the test you added P1689 <https://reviews.llvm.org/P1689>.cppm. Can you either fix or revert?

- https://lab.llvm.org/buildbot/#/builders/139/builds/35899
- https://lab.llvm.org/buildbot/#/builders/139/builds/35886

  corrupted size vs. prev_size while consolidating
  PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace.
   #0 0x000055baf810283f llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/home/buildbot/buildbot-root/llvm-clang-x86_64-sie-ubuntu-fast/build/bin/clang-scan-deps+0x88883f)
   #1 0x000055baf8100214 SignalHandler(int) Signals.cpp:0:0
   #2 0x00007fa226358420 __restore_rt (/lib/x86_64-linux-gnu/libpthread.so.0+0x14420)
   #3 0x00007fa225e2500b raise /build/glibc-SzIz7B/glibc-2.31/signal/../sysdeps/unix/sysv/linux/raise.c:51:1
   #4 0x00007fa225e04859 abort /build/glibc-SzIz7B/glibc-2.31/stdlib/abort.c:81:7
   #5 0x00007fa225e6f26e __libc_message /build/glibc-SzIz7B/glibc-2.31/libio/../sysdeps/posix/libc_fatal.c:155:5
   #6 0x00007fa225e772fc /build/glibc-SzIz7B/glibc-2.31/malloc/malloc.c:5348:3
   #7 0x00007fa225e7904e _int_free /build/glibc-SzIz7B/glibc-2.31/malloc/malloc.c:4245:6
   #8 0x00007fa225e7c88d tcache_thread_shutdown /build/glibc-SzIz7B/glibc-2.31/malloc/malloc.c:2960:33
   #9 0x00007fa225e7c88d __malloc_arena_thread_freeres /build/glibc-SzIz7B/glibc-2.31/malloc/arena.c:951:3
  #10 0x00007fa22634c62f start_thread /build/glibc-SzIz7B/glibc-2.31/nptl/pthread_create.c:496:7
  #11 0x00007fa225f01133 __clone /build/glibc-SzIz7B/glibc-2.31/misc/../sysdeps/unix/sysv/linux/x86_64/clone.S:97:0


Repository:
  rG LLVM Github Monorepo

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https://reviews.llvm.org/D137527