[Bug gcov-profile/59527] [4.9 Regression] ICE: in fixup_reorder_chain, at cfgrtl.c:3739 during PGO Firefox build

[tejohnson at google dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59527

--- Comment #5 from Teresa Johnson <tejohnson at google dot com> ---
This seems like a separate issue - can you give me a reproducer? The
attached minimized test case does not hit this.

Thanks,
Teresa

On Tue, Dec 17, 2013 at 10:45 AM, trippels at gcc dot gnu.org
<gcc-bugzilla@gcc.gnu.org> wrote:
> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59527
>
> Markus Trippelsdorf <trippels at gcc dot gnu.org> changed:
>
>            What    |Removed                     |Added
> ----------------------------------------------------------------------------
>                  CC|                            |trippels at gcc dot gnu.org
>
> --- Comment #4 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
> Teresa,
>
> I've tested your patch but the Firefox build still fails:
>
> /var/tmp/mozilla-central/js/src/vm/Interpreter.cpp: In function ‘Interpret’:
> /var/tmp/mozilla-central/js/src/vm/Interpreter.cpp:3469:1: error: non-cold
> basic block 37 dominated by a block in the cold partition (2441)
>  }
>  ^
> /var/tmp/mozilla-central/js/src/vm/Interpreter.cpp:3469:1: internal compiler
> error: verify_flow_info failed
> 0x5a1ecd verify_flow_info()
>         ../../gcc/gcc/cfghooks.c:260
> 0x5b4ee2 cfg_layout_finalize()
>         ../../gcc/gcc/cfgrtl.c:4286
> 0xd44662 duplicate_computed_gotos
>         ../../gcc/gcc/bb-reorder.c:2492
> 0xd44662 execute
>         ../../gcc/gcc/bb-reorder.c:2524
> Please submit a full bug report,
> with preprocessed source if appropriate.
> Please include the complete backtrace with any bug report.
> See <http://gcc.gnu.org/bugs.html> for instructions.
> make[8]: *** [/tmp/ccN0aFCW.ltrans17.ltrans.o] Error 1
>
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