Ok, 20200507 almost immediately triggered the ICE
/root/qemu-5.0/linux-user/syscall.c: In function ‘do_syscall1’:
/root/qemu-5.0/linux-user/syscall.c:12479:1: internal compiler error:
Segmentation fault
12479 | }
| ^
0x5518cb crash_signal
../../gcc/gcc/toplev.c:328
0x542673 avoid_constant_pool_reference(rtx_def*)
../../gcc/gcc/simplify-rtx.c:237
0x515cad commutative_operand_precedence(rtx_def*)
../../gcc/gcc/rtlanal.c:3482
0x515d6b swap_commutative_operands_p(rtx_def*, rtx_def*)
../../gcc/gcc/rtlanal.c:3543
0x53cacb simplify_binary_operation(rtx_code, machine_mode, rtx_def*, rtx_def*)
../../gcc/gcc/simplify-rtx.c:2333
0x53cb19 simplify_gen_binary(rtx_code, machine_mode, rtx_def*, rtx_def*)
../../gcc/gcc/simplify-rtx.c:189
0x44d033 lra_constraints(bool)
../../gcc/gcc/lra-constraints.c:4964
0x440653 lra(_IO_FILE*)
../../gcc/gcc/lra.c:2440
0x411f05 do_reload
../../gcc/gcc/ira.c:5523
0x411f05 execute
../../gcc/gcc/ira.c:5709
This triggered on the first build. While waiting for some builds between
r10-6080 and 20200507 I'll rerun this version to get some stats on how early to
expect it.
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https://bugs.launchpad.net/bugs/1890435
Title:
gcc-10 breaks on armhf (flaky): internal compiler error: Segmentation
fault
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