http://sourceware.org/bugzilla/show_bug.cgi?id=14342
--- Comment #2 from Cary Coutant <ccoutant at google dot com> ---
> This problem now reprduce with mainline GCC indirect call profiling test
> gcc.dg/tree-prof/crossmodule-indircall-1.c:
>
> evans:/abuild/jh/trunk-3/build-inst11-check/gcc/:[2]# ./xgcc -B ./ -O3 -flto
> -fprofile-generate
> ../../gcc/testsuite/gcc.dg/tree-prof/crossmodule-indircall-1*.c --save-temps
> /abuild/jh/trunk-install/x86_64-unknown-linux-gnu/bin/ld:
> crossmodule-indircall-1.o: previous definition here
> /abuild/jh/trunk-install/x86_64-unknown-linux-gnu/bin/ld: error:
> ./libgcov.a(_gcov_indirect_call_profiler.o): symbol
> '__gcov_indirect_call_callee' used as both __thread and non-__thread
> /abuild/jh/trunk-install/x86_64-unknown-linux-gnu/bin/ld:
> crossmodule-indircall-1.o: previous definition here
I get:
.../gold/ld-new: error: crossmodule-indircall-1.o: multiple definition of
'main'
.../gold/ld-new: crossmodule-indircall-1a.o: previous definition here
If I add -DDOJOB=1 to the command line, though, it works for me.
Are you using a recent version of gold? I think the TLS problem should
have been fixed with this patch:
http://sourceware.org/ml/binutils/2013-06/msg00139.html
-cary
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