https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67101

--- Comment #2 from ian at gcc dot gnu.org <ian at gcc dot gnu.org> ---
Author: ian
Date: Mon Aug  3 17:54:50 2015
New Revision: 226525

URL: https://gcc.gnu.org/viewcvs?rev=226525&root=gcc&view=rev
Log:
        PR go/67101

    runtime: Remove call to __builtin_frame_address.

    __builtin_frame_address was only supposed to use nonzero arguments
    for debugging purposes.  Calling it with nonzero arguments can have
    unpredictable results and uses are now marked unsafe when
    -Wframe-address is enabled.

    Reviewed-on: https://go-review.googlesource.com/13063

Modified:
    trunk/gcc/go/gofrontend/MERGE
    trunk/libgo/runtime/mprof.goc

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