[PATCH] D65775: [Sanitizer] Linux explicitally migrate shadow mapping to Transparent Huge Page

[Mitch Phillips via Phabricator via llvm-commits]

hctim added a comment.

Looks like this broke the sanitizer-android bot (more bots may be broken but this is the first failure I've seen).

  [153/499] Building CXX object lib/sanitizer_common/CMakeFiles/RTSanitizerCommonLibcNoHooks.aarch64.dir/sanitizer_posix_libcdep.cpp.o
  FAILED: lib/sanitizer_common/CMakeFiles/RTSanitizerCommonLibcNoHooks.aarch64.dir/sanitizer_posix_libcdep.cpp.o 
  /var/lib/buildbot/sanitizer-buildbot6/sanitizer-x86_64-linux-android/build/llvm_build64/bin/clang++  -DHAVE_RPC_XDR_H=0 -I/var/lib/buildbot/sanitizer-buildbot6/sanitizer-x86_64-linux-android/build/llvm/projects/compiler-rt/lib/sanitizer_common/.. --target=aarch64-linux-android --sysroot=/var/lib/buildbot/sanitizer-buildbot6/sanitizer-x86_64-linux-android/build/android_ndk/standalone-aarch64/sysroot -B/var/lib/buildbot/sanitizer-buildbot6/sanitizer-x86_64-linux-android/build/android_ndk/standalone-aarch64 -stdlib=libstdc++ -Wall -Werror -std=c++11 -Wno-unused-parameter -O3 -DNDEBUG    -fPIC -fno-builtin -fno-exceptions -fomit-frame-pointer -funwind-tables -fno-stack-protector -fno-sanitize=safe-stack -fvisibility=hidden -fno-lto -O3 -gline-tables-only -Wno-gnu -Wno-variadic-macros -Wno-c99-extensions -Wno-non-virtual-dtor -fno-rtti -Wframe-larger-than=570 -Wglobal-constructors -DSANITIZER_SUPPORTS_WEAK_HOOKS=0 -MD -MT lib/sanitizer_common/CMakeFiles/RTSanitizerCommonLibcNoHooks.aarch64.dir/sanitizer_posix_libcdep.cpp.o -MF lib/sanitizer_common/CMakeFiles/RTSanitizerCommonLibcNoHooks.aarch64.dir/sanitizer_posix_libcdep.cpp.o.d -o lib/sanitizer_common/CMakeFiles/RTSanitizerCommonLibcNoHooks.aarch64.dir/sanitizer_posix_libcdep.cpp.o -c /var/lib/buildbot/sanitizer-buildbot6/sanitizer-x86_64-linux-android/build/llvm/projects/compiler-rt/lib/sanitizer_common/sanitizer_posix_libcdep.cpp
  /var/lib/buildbot/sanitizer-buildbot6/sanitizer-x86_64-linux-android/build/llvm/projects/compiler-rt/lib/sanitizer_common/sanitizer_posix_libcdep.cpp:76:48: error: equality comparison result unused [-Werror,-Wunused-comparison]
      madvise((char *)addr, size, MADV_HUGEPAGE) == 0;
      ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
  1 error generated.

http://lab.llvm.org:8011/builders/sanitizer-x86_64-linux-android/builds/23318


Repository:
  rL LLVM

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  https://reviews.llvm.org/D65775/new/

https://reviews.llvm.org/D65775