//
// C testcase, compile with -O1
struct D
{
int n;
int c [8];
};
struct A
{
int i;
char *p;
};
struct B
{
struct A *a;
struct D *d;
};
int dtInsert1 (struct B *b)
{
struct A a = { 0, 0 };
struct D *d;
b->a = &a;
d = b->d;
&d->c [d->n];
return 0;
}
//
vi.i: In function ‘dtInsert1’:
vi.i:20: internal compiler error: in first_vi_for_offset, at
tree-ssa-structalias.c:2843
Backtrace:
Starting program: /home/ssb/src/build/gcc/cc1 -quiet
/home/ssb/src/bugs/pending/vi.i -O
Breakpoint 1, fancy_abort (
file=0xc31230 "../../gcc41/gcc/tree-ssa-structalias.c", line=2843,
function=0xdf1c30 "first_vi_for_offset")
at ../../gcc41/gcc/diagnostic.c:590
590 internal_error ("in %s, at %s:%d", function, trim_filename (file),
line);
(gdb) bt
#0 fancy_abort (file=0xc31230 "../../gcc41/gcc/tree-ssa-structalias.c",
line=2843, function=0xdf1c30 "first_vi_for_offset")
at ../../gcc41/gcc/diagnostic.c:590
#1 0x00000000009ded2f in first_vi_for_offset (start=0xed4320, offset=32)
at ../../gcc41/gcc/tree-ssa-structalias.c:2843
#2 0x00000000009d5bfa in solution_set_add (set=0xed5100, offset=32)
at ../../gcc41/gcc/tree-ssa-structalias.c:601
#3 0x00000000009d5fae in set_union_with_increment (to=0xed2ba0,
from=0xed2b60, inc=32) at ../../gcc41/gcc/tree-ssa-structalias.c:630
#4 0x00000000009da177 in solve_graph (graph=0xe9cda0)
at ../../gcc41/gcc/tree-ssa-structalias.c:1716
#5 0x00000000009e153e in compute_points_to_sets (ai=0xebb2d0)
at ../../gcc41/gcc/tree-ssa-structalias.c:3535
#6 0x000000000052f36d in compute_may_aliases ()
at ../../gcc41/gcc/tree-ssa-alias.c:260
#7 0x00000000009b1bdc in execute_one_pass (pass=0xdde1c0)
at ../../gcc41/gcc/passes.c:774
--
Summary: ICE in first_vi_for_offset, at tree-ssa-
structalias.c:2843
Product: gcc
Version: 4.1.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P2
Component: tree-optimization
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: belyshev at depni dot sinp dot msu dot ru
CC: dberlin at gcc dot gnu dot org,gcc-bugs at gcc dot gnu
dot org
GCC target triplet: x86_64-unknown-linux-gnu
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=22422
