https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88957
Bug ID: 88957
Summary: ICE: Segmentation fault in tree_could_trap_p, at
tree-eh.c:2672
Product: gcc
Version: 9.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: d
Assignee: ibuclaw at gdcproject dot org
Reporter: gs...@t-online.de
Target Milestone: ---
With option -fsanitize=undefined at -O[23] :
$ cat z1.d
int f (const int[4] x)
{
int sum = 0;
foreach (i; x) sum += i;
return sum;
}
void main ()
{
import core.simd : int4;
f(int4.init.array);
}
$ gdc-9-20190120 -c z1.d -O2
$
$ gdc-9-20190120 -c z1.d -O2 -fsanitize=undefined
during RTL pass: expand
z1.d: In function 'D main':
z1.d:10:5: internal compiler error: Segmentation fault
10 | f(int4.init.array);
| ^
0xb821cf crash_signal
../../gcc/toplev.c:326
0xbd18d3 tree_could_trap_p(tree_node*)
../../gcc/tree-eh.c:2672
0x8a09e4 set_mem_attributes_minus_bitpos(rtx_def*, tree_node*, int,
poly_int<1u, long>)
../../gcc/emit-rtl.c:2016
0x8c9c54 expand_expr_real_1(tree_node*, rtx_def*, machine_mode,
expand_modifier, rtx_def**, bool)
../../gcc/expr.c:10327
0x8d47f6 store_expr(tree_node*, rtx_def*, int, bool, bool)
../../gcc/expr.c:5648
0x8d553e expand_assignment(tree_node*, tree_node*, bool)
../../gcc/expr.c:5431
0x7d0f28 expand_gimple_stmt_1
../../gcc/cfgexpand.c:3752
0x7d0f28 expand_gimple_stmt
../../gcc/cfgexpand.c:3850
0x7d3167 expand_gimple_basic_block
../../gcc/cfgexpand.c:5886
0x7d87a6 execute
../../gcc/cfgexpand.c:6509
