[llvm-dev] Asan self host problems: Failed to deallocate

[David Blaikie via llvm-dev]

Trying to run a self host "ninja check-clang" with ASan enabled I hit a
/lot/ of errors like this (strangely I hit none of these in check-llvm,
only in check-clang):

Any ideas?

==10525==ERROR: AddressSanitizer failed to deallocate 0x10800 (67584) bytes
at address 0x631000014800

==10525==AddressSanitizer CHECK failed:
/usr/local/google/home/blaikie/dev/llvm/src/projects/compiler-rt/lib/sanitizer_common/sanitizer_posix.cc:143
"(("unable to unmap" && 0)) != (0)" (0x0, 0x0)

    #0 0x51f42f in __asan::AsanCheckFailed(char const*, int, char const*,
unsigned long long, unsigned long long)
/usr/local/google/home/blaikie/dev/llvm/src/projects/compiler-rt/lib/asan/asan_rtl.cc:69:3

    #1 0x532eff in __sanitizer::CheckFailed(char const*, int, char const*,
unsigned long long, unsigned long long)
/usr/local/google/home/blaikie/dev/llvm/src/projects/compiler-rt/lib/sanitizer_common/sanitizer_termination.cc:79:5

    #2 0x52cf61 in __sanitizer::UnmapOrDie(void*, unsigned long)
/usr/local/google/home/blaikie/dev/llvm/src/projects/compiler-rt/lib/sanitizer_common/sanitizer_posix.cc:143:5

    #3 0x53877f in __sanitizer::UnsetAlternateSignalStack()
/usr/local/google/home/blaikie/dev/llvm/src/projects/compiler-rt/lib/sanitizer_common/sanitizer_posix_libcdep.cc:186:3

    #4 0x5209f5 in __asan::AsanThread::Destroy()
/usr/local/google/home/blaikie/dev/llvm/src/projects/compiler-rt/lib/asan/asan_thread.cc:110:40

    #5 0x7fd75802df81 in __nptl_deallocate_tsd
/build/eglibc-oGUzwX/eglibc-2.19/nptl/pthread_create.c:158

    #6 0x7fd75802e196 in start_thread
/build/eglibc-oGUzwX/eglibc-2.19/nptl/pthread_create.c:325

    #7 0x7fd744ee337c in clone
/build/eglibc-oGUzwX/eglibc-2.19/misc/../sysdeps/unix/sysv/linux/x86_64/clone.S:111
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