https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105763
Bug ID: 105763
Summary: ice in outgoing_edge_range_p, at gimple-ra
nge-gori.cc:1253
Product: gcc
Version: 12.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: dcb314 at hotmail dot com
Target Milestone: ---
Created attachment 53048
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=53048&action=edit
C source code
For the attached code, with compiler flag -O3, does this:
during GIMPLE pass: unswitch
rl2png.c: In function ‘rl2_decode_png’:
rl2png.c:1292:1: internal compiler error: in outgoing_edge_range_p, at
gimple-ra
nge-gori.cc:1253
0xa17888 gori_compute::outgoing_edge_range_p(irange&, edge_def*, tree_node*,
ran
ge_query&)
../../trunk.git/gcc/gimple-range-gori.cc:1253
0x2da292b evaluate_control_stmt_using_entry_checks
../../trunk.git/gcc/tree-ssa-loop-unswitch.cc:686
0x2da4e43 evaluate_bbs<evaluate_loop_insns_for_predicate(loop*,
predicate_vector
&, unswitch_predicate*, int, unsigned int*, unsigned
int*)::<lambda(basic_block)
> >
../../trunk.git/gcc/tree-ssa-loop-unswitch.cc:830
0x2da97b6 evaluate_loop_insns_for_predicate
../../trunk.git/gcc/tree-ssa-loop-unswitch.cc:876
The problem first seems to occur sometime between git hash 442cf0977a299394
and 850a9ce8bcca59c7, a distance of some 32 commits.
A reduction is running now and will be finishing in the next ten minutes.
