struct Bar { int a; int b; };
struct Foo { int x; struct Bar y; };
int __attribute__((const)) foo (struct Bar);
int bar (int b)
{
struct Foo f;
int c;
while (b--)
{
c = foo(f.y);
}
return c;
}
./cc1 -quiet -O2 t.i -fdump-tree-all-details
t.i: In function 'bar':
t.i:7: internal compiler error: vector VEC(vn_reference_op_s,base) index domain
error, in create_component_ref_by_pieces at tree-ssa-pre.c:2413
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
--
Summary: [4.4 Regression] PRE/SCCVN do not handle aggregate
function arguments correctly
Product: gcc
Version: 4.4.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: tree-optimization
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: rguenth at gcc dot gnu dot org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36945
