[Bug gcov-profile/58127] [4.9 Regression] 37 failures in gcc.dg/tree-prof/ for x86_64-apple-darwin10

["iains at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58127

--- Comment #9 from Iain Sandoe <iains at gcc dot gnu.org> ---
(In reply to Jan Hubicka from comment #7)
> > 
> > that's kind of a pity, since IIRC one of the main reasons for recasting the
> > emutls implementation as a separate pass was to allow for uses like this; 
> > but, having said that, probably not a high priority.
> MThere are performance implications of doing so.   One way would be to add
> facility to insert new variables into emutls late (it is probably doable).
> Other easy way around would be to add gcov function to set both pointers to
> proper values and do it as function call.  
> 
> I am not sure if this is feasible performance wise - the counter is in TLS
> just to avoid too many colisions. Generally profiling should work resonably
> well even without TLS for that.

ack, let's not pursue that then.

> If you do have chance to commit it, consider the patch preapproved.  

applied as 201829

libgcc:

    PR gcov-profile/58127
    * libgcov.c (__gcov_indirect_call_callee): Don't make this a
    __thread var for emulated TLS.
    (__gcov_indirect_call_counters): Likewise.