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


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 âInterpretâ:
/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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