https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88423
Bug ID: 88423
Summary: [9 Regression] ICE in begin_move_insn, at
sched-ebb.c:175
Product: gcc
Version: 9.0
Status: UNCONFIRMED
Keywords: ice-checking, ice-on-valid-code
Severity: normal
Priority: P3
Component: rtl-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: asolokha at gmx dot com
Target Milestone: ---
Target: x86_64-unknown-linux-gnu
gcc-9.0.0-alpha20181202 snapshot (r266729) ICEs when compiling
gcc/testsuite/gcc.dg/20030309-1.c w/ -march=skylake -Os -fPIC
-fsched2-use-superblocks -fno-if-conversion:
% x86_64-unknown-linux-gnu-gcc-9.0.0-alpha20181202 -march=skylake -Os -fPIC
-fsched2-use-superblocks -fno-if-conversion -c
gcc/testsuite/gcc.dg/20030309-1.c
during RTL pass: sched2
gcc/testsuite/gcc.dg/20030309-1.c: In function 'main':
gcc/testsuite/gcc.dg/20030309-1.c:42:1: internal compiler error: in
begin_move_insn, at sched-ebb.c:175
42 | }
| ^
0x777edb begin_move_insn
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20181202/work/gcc-9-20181202/gcc/sched-ebb.c:175
0x777edb begin_move_insn
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20181202/work/gcc-9-20181202/gcc/sched-ebb.c:145
0x1538e1c commit_schedule
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20181202/work/gcc-9-20181202/gcc/haifa-sched.c:6228
0x1544015 schedule_block(basic_block_def**, void*)
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20181202/work/gcc-9-20181202/gcc/haifa-sched.c:7065
0x15c94ff schedule_ebb(rtx_insn*, rtx_insn*, bool)
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20181202/work/gcc-9-20181202/gcc/sched-ebb.c:537
0x15c9b1f schedule_ebbs()
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20181202/work/gcc-9-20181202/gcc/sched-ebb.c:657
0xcb2ab4 rest_of_handle_sched2
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20181202/work/gcc-9-20181202/gcc/sched-rgn.c:3738
0xcb2ab4 execute
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20181202/work/gcc-9-20181202/gcc/sched-rgn.c:3876
