https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83044
Bug ID: 83044
Summary: ice in contains_struct_check
Product: gcc
Version: 8.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: dcb314 at hotmail dot com
Target Milestone: ---
For the following C code, compiled by recent gcc trunk and flags
-std=gnu89 -Wall -O2 -c
struct a {
int aeadctx[0]
};
struct b {
struct a c[0]
} d() {
struct b a;
e(a.c->aeadctx);
}
I get
during GIMPLE pass: vrp
bug397-min.c:6:3: internal compiler error: Segmentation fault
} d() {
^
0xd3c34f crash_signal
../../trunk/gcc/toplev.c:325
0x730c44 contains_struct_check(tree_node const*, tree_node_structure_enum, char
const*, int, char const*)
../../trunk/gcc/tree.h:3459
0x730c44 wi::to_wide(tree_node const*)
../../trunk/gcc/tree.h:5247
0xf7c67d vrp_prop::check_array_ref(unsigned int, tree_node*, bool)
../../trunk/gcc/tree-vrp.c:4811
The bug seems to occur between revisions 254826 and 254877
