[compiler-rt] r221882 - [asan] Switch to AsanInitFromRtl in .preinit_array.

[Yury Gribov]

On 11/13/2014 12:50 PM, Evgeniy Stepanov wrote:
> Author: eugenis
> Date: Thu Nov 13 03:50:56 2014
> New Revision: 221882
>
> URL: http://llvm.org/viewvc/llvm-project?rev=221882&view=rev
> Log:
> [asan] Switch to AsanInitFromRtl in .preinit_array.
>
> There is no functionality change due to a check in AsanActivate.

This broke ASan DSO (cmake -DCOMPILER_RT_BUILD_SHARED_ASAN=ON):
/home/ygribov/build/llvm/bin/../lib/clang/3.6.0/lib/linux/libclang_rt.asan-preinit-x86_64.a(asan_preinit.cc.o):(.preinit_array+0x0): 
undefined reference to `__asan::AsanInitFromRtl()'
/home/ygribov/build/llvm/bin/../lib/clang/3.6.0/lib/linux/libclang_rt.asan-preinit-x86_64.a(asan_preinit.cc.o):(.preinit_array+0x0): 
undefined reference to `__asan::AsanInitFromRtl()'
clang-3.6: error: linker command failed with exit code 1 (use -v to see 
invocation)
make[3]: *** 
[projects/compiler-rt/lib/asan/tests/CMakeFiles/Asan-x86_64-with-calls-Dynamic-Test] 
Error 1
[ 94%] make[2]: *** 
[projects/compiler-rt/lib/asan/tests/CMakeFiles/Asan-x86_64-with-calls-Dynamic-Test.dir/all] 
Error 2
make[2]: *** Waiting for unfinished jobs....
Built target Sanitizer-i386-Test