https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88588
Bug ID: 88588
Summary: ICE in make_decl_rtl, at varasm.c:1329
Product: gcc
Version: 4.9.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code, openmp
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-pc-linux-gnu
gcc-9.0.0-alpha20181223 snapshot (r267388), 8.2, 7.4, 6.3, 5.4, 4.9.4 all ICE
when compiling the following snippet w/ -O1 (-Os, -Og) -fopenmp:
int *ke;
#pragma omp declare simd
void
q0 (int c3)
{
int *az = &c3;
for (;;)
{
*ke = *az;
az = ke;
}
}
% x86_64-pc-linux-gnu-gcc-9.0.0-alpha20181223 -O1 -fopenmp -c rmglvxze.c
during RTL pass: expand
rmglvxze.c: In function 'q0.simdclone.0':
rmglvxze.c:5:1: internal compiler error: in make_decl_rtl, at varasm.c:1329
5 | q0 (int c3)
| ^~
0x6f42ca make_decl_rtl(tree_node*)
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20181223/work/gcc-9-20181223/gcc/varasm.c:1329
0x9e2e07 expand_expr_real_1(tree_node*, rtx_def*, machine_mode,
expand_modifier, rtx_def**, bool)
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20181223/work/gcc-9-20181223/gcc/expr.c:9938
0x9edaaf expand_expr
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20181223/work/gcc-9-20181223/gcc/expr.h:279
0x9edaaf expand_expr_addr_expr_1
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20181223/work/gcc-9-20181223/gcc/expr.c:7945
0x9e13ff expand_expr_addr_expr
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20181223/work/gcc-9-20181223/gcc/expr.c:8066
0x9e13ff expand_expr_real_1(tree_node*, rtx_def*, machine_mode,
expand_modifier, rtx_def**, bool)
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20181223/work/gcc-9-20181223/gcc/expr.c:11221
0xdb61ef expand_expr
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20181223/work/gcc-9-20181223/gcc/expr.h:279
0xdb61ef insert_value_copy_on_edge
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20181223/work/gcc-9-20181223/gcc/tree-outof-ssa.c:319
0xdb61ef eliminate_phi
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20181223/work/gcc-9-20181223/gcc/tree-outof-ssa.c:749
0xdb61ef expand_phi_nodes(ssaexpand*)
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20181223/work/gcc-9-20181223/gcc/tree-outof-ssa.c:1007
0x8d64ee execute
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20181223/work/gcc-9-20181223/gcc/cfgexpand.c:6479
