https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87737
Bug ID: 87737
Summary: ICE tree check: expected ssa_name, have addr_expr in
remap_gimple_op_r, at tree-inline.c:923
Product: gcc
Version: 9.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: fortran
Assignee: unassigned at gcc dot gnu.org
Reporter: gs...@t-online.de
Target Milestone: ---
Affects version 9 at -O[123], but not at -O[0gs].
Versions 5 to 8 are only affected at -O3 or -Ofast.
$ cat z1.f90
program p
interface
function f()
character(:), allocatable :: f
end
end interface
character(1) :: g
print *, f()
print *, g()
end
function f()
character(:), allocatable :: f
character(1) :: g
f = 'f'
return
entry g()
g = 'g'
end
$ gfortran-9-20181021 -c z1.f90 -Os
$
$ gfortran-9-20181021 -c z1.f90 -O2
during GIMPLE pass: ccp
z1.f90:1:0:
1 | program p
|
internal compiler error: Segmentation fault
0xb1c86f crash_signal
../../gcc/toplev.c:325
0x86c2d9 get_inner_reference(tree_node*, poly_int_pod<1u, long>*,
poly_int_pod<1u, long>*, tree_node**, machine_mode*, int*, int*, int*)
../../gcc/expr.c:7147
0x8a9c35 fold_comparison
../../gcc/fold-const.c:8524
0x89deb8 fold_binary_loc(unsigned int, tree_code, tree_node*, tree_node*,
tree_node*)
../../gcc/fold-const.c:10608
0xbee77c ccp_fold
../../gcc/tree-ssa-ccp.c:1246
0xbee77c evaluate_stmt
../../gcc/tree-ssa-ccp.c:1785
0xbf05de visit_cond_stmt
../../gcc/tree-ssa-ccp.c:2381
0xbf05de ccp_propagate::visit_stmt(gimple*, edge_def**, tree_node**)
../../gcc/tree-ssa-ccp.c:2439
0xc64fb3 ssa_propagation_engine::simulate_stmt(gimple*)
../../gcc/tree-ssa-propagate.c:230
0xc6522a ssa_propagation_engine::simulate_block(basic_block_def*)
../../gcc/tree-ssa-propagate.c:337
0xc66022 ssa_propagation_engine::ssa_propagate()
../../gcc/tree-ssa-propagate.c:800
0xbe8be7 do_ssa_ccp
../../gcc/tree-ssa-ccp.c:2471
0xbe8be7 execute
../../gcc/tree-ssa-ccp.c:2515
