[compiler-rt] r200686 - [sanitizer] Resubmit r200683: disable -ffunction-sections.

[Alexey Samsonov]

Does r200746 helps with that?


On Tue, Feb 4, 2014 at 1:41 AM, Justin Bogner <mail at justinbogner.com> wrote:

> Evgeniy Stepanov <eugeni.stepanov at gmail.com> writes:
> > [sanitizer] Resubmit r200683: disable -ffunction-sections.
> >
> > Added:
> >
> compiler-rt/trunk/lib/asan/lit_tests/TestCases/Linux/function-sections-are-bad.cc
> > (with props)
> > Modified:
> >     compiler-rt/trunk/CMakeLists.txt
> >
> > Modified: compiler-rt/trunk/CMakeLists.txt
> > URL:
> >
> http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/CMakeLists.txt?rev=200686&r1=200685&r2=200686&view=diff==============================================================================
> > --- compiler-rt/trunk/CMakeLists.txt (original)
> > +++ compiler-rt/trunk/CMakeLists.txt Mon Feb  3 05:16:41 2014
> > @@ -142,6 +142,7 @@ if (NOT MSVC)
> >      -fno-stack-protector
> >      -Wno-gnu  # Variadic macros with 0 arguments for ...
> >      -fvisibility=hidden
> > +    -fno-function-sections
> >      )
> >    if (NOT COMPILER_RT_DEBUG)
> >      list(APPEND SANITIZER_COMMON_CFLAGS -O3)
>
> This breaks the build with -WERROR when building with clang (unless it's
> ToT), and spews warnings without -WERROR.
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-- 
Alexey Samsonov, MSK
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