[llvm-commits] [PATCH] [msan] MemorySanitizer runtime

[Michael Spencer]

  This doesn't compile with -Werror with latest clang.

  Here are the first few errors.

  michael at michael-VirtualBox:~/build/llvm+clang-release$ ninja
  [4/9] Building CXX object projects/compiler-rt/lib/msan/CMakeFiles/clang_rt.msan-x86_64.dir/msan_interceptors.cc.o
  FAILED: /usr/local/bin/clang++   -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -fPIC -fvisibility-inlines-hidden -O3 -DNDEBUG -Iprojects/compiler-rt/lib/msan -I/mnt/Projects/llvm-project/compiler-rt/lib/msan -Iinclude -I/mnt/Projects/llvm-project/llvm/include -I/mnt/Projects/llvm-project/compiler-rt/include -I/mnt/Projects/llvm-project/compiler-rt/lib/msan/..    -Wall -W -Wno-unused-parameter -Wwrite-strings -pedantic -Wno-long-long -Werror  -fPIC -fno-builtin -fno-exceptions -fomit-frame-pointer -funwind-tables -O3 -fvisibility=hidden -gline-tables-only -Wno-variadic-macros -Wno-c99-extensions -fPIE -ffreestanding -MMD -MT projects/compiler-rt/lib/msan/CMakeFiles/clang_rt.msan-x86_64.dir/msan_interceptors.cc.o -MF "projects/compiler-rt/lib/msan/CMakeFiles/clang_rt.msan-x86_64.dir/msan_interceptors.cc.o.d" -o projects/compiler-rt/lib/msan/CMakeFiles/clang_rt.msan-x86_64.dir/msan_interceptors.cc.o -c /mnt/Projects/llvm-project/compiler-!
 rt/lib/ms
 an/msan_interceptors.cc
  In file included from /mnt/Projects/llvm-project/compiler-rt/lib/msan/msan_interceptors.cc:17:
  /mnt/Projects/llvm-project/compiler-rt/lib/msan/msan_platform_limits.h:32:2: error: extra ';' outside of a function is a C++11 extension [-Werror,-Wc++11-extra-semi]
  };
   ^
  /mnt/Projects/llvm-project/compiler-rt/lib/msan/msan_interceptors.cc:138:3: error: unused variable 'sp' [-Werror,-Wunused-variable]
    CHECK_UNPOISONED(s, res + 1);
    ^
  /mnt/Projects/llvm-project/compiler-rt/lib/msan/msan_interceptors.cc:43:7: note: expanded from macro 'CHECK_UNPOISONED'
        GET_CALLER_PC_BP_SP;                                  \
        ^
  /mnt/Projects/llvm-project/compiler-rt/lib/msan/../sanitizer_common/sanitizer_stacktrace.h:66:8: note: expanded from macro 'GET_CALLER_PC_BP_SP'
    uptr sp = (uptr)&local_stack
         ^

http://llvm-reviews.chandlerc.com/D191