[Bug bootstrap/81033] [8/9 Regression] there are cases where ld64 is not able to determine correct atom boundaries from the output GCC currently produces

[iains at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81033

--- Comment #45 from Iain Sandoe <iains at gcc dot gnu.org> ---
Author: iains
Date: Wed Aug 22 11:37:02 2018
New Revision: 263763

URL: https://gcc.gnu.org/viewcvs?rev=263763&root=gcc&view=rev
Log:
Fix FDE labels for Darwin

gcc/

        PR bootstrap/81033
        PR target/81733
        PR target/52795
        * gcc/dwarf2out.c (FUNC_SECOND_SECT_LABEL): New.
        (dwarf2out_switch_text_section): Generate a local label for the second
        function sub-section and apply it as the second FDE start label.
        * gcc/final.c (final_scan_insn_1): Emit second FDE label after the
second
        sub-section start.


Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/dwarf2out.c
    trunk/gcc/final.c