https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100342
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
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CC| |segher at gcc dot gnu.org
--- Comment #6 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
That seems to happen during shrink-wrapping:
#0 df_insn_delete (insn=0x7fffe9e3a6c0) at ../../gcc/df-scan.c:932
#1 0x0000000000978328 in delete_insn (insn=0x7fffe9e3a6c0) at
../../gcc/cfgrtl.c:178
#2 0x0000000000d5a270 in copyprop_hardreg_forward_1 (bb=<basic_block
0x7fffe9f763a8 (2)>, vd=<optimized out>) at ../../gcc/regcprop.c:825
#3 0x0000000000d5b772 in copyprop_hardreg_forward_bb_without_debug_insn
(bb=<basic_block 0x7fffe9f763a8 (2)>) at ../../gcc/regcprop.c:1211
#4 0x0000000000db616c in prepare_shrink_wrap (entry_block=<basic_block
0x7fffe9f763a8 (2)>) at ../../gcc/shrink-wrap.c:451
#5 try_shrink_wrapping (entry_edge=0x7fffffffd518,
prologue_seq=0x7fffe9e81440) at ../../gcc/shrink-wrap.c:674
#6 0x0000000000ae7ffc in thread_prologue_and_epilogue_insns () at
../../gcc/function.c:6025
#7 0x0000000000ae86c3 in rest_of_handle_thread_prologue_and_epilogue () at
../../gcc/function.c:6510
