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Re: msan and gcc ?

[as text for real this time]
Sanitizer compiler module sizes in LLVM (in lines):
  1823 AddressSanitizer.cpp
  2780 MemorySanitizer.cpp
   564 ThreadSanitizer.cpp
Also note, that msan is the hardest to deploy among others sanitizers
because it requires to compile *everything*,
including libc++/libstdc++ and other system libs.
We've managed to do that for large projects like Chromium, LLVM, GCC,
and a few even larger ones,
and it was certainly worth it. Having msan in GCC would be nice, but
it is lots of work.


On Wed, Oct 1, 2014 at 12:42 AM, Dmitry Vyukov <> wrote:
> On Wed, Oct 1, 2014 at 11:30 AM, VandeVondele  Joost
> <> wrote:
>> Hi,
>> I've noticed that gcc includes a msan_interface.h file, and I'm wondering if this implies that memory sanitizer is already part of gcc. If not, are there plans to port this useful looking tool to gcc during the current stage 1 ?
> Hi,
> No, msan is not part of gcc. And I am not aware of any plans to port
> msan to gcc.
> Note that msan's compiler pass is the most involved one as compared to
> asan/tsan.

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