https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100574
Bug ID: 100574
Summary: [11/12 Regression] ICE: in size_remaining, at
builtins.c:413 with -O3 -ftracer
-fno-tree-dominator-opts -fno-tree-fre
Product: gcc
Version: 12.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: tree-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: zsojka at seznam dot cz
Target Milestone: ---
Host: x86_64-pc-linux-gnu
Created attachment 50802
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=50802&action=edit
auto-reduced testcase (from OpenTTD sources)
Compiler output:
$ x86_64-pc-linux-gnu-gcc -O3 -ftracer -fno-tree-dominator-opts -fno-tree-fre
testcase.C
during GIMPLE pass: strlen
testcase.C: In function 'void ReadTrackChunk()':
testcase.C:43:6: internal compiler error: in size_remaining, at builtins.c:413
43 | void ReadTrackChunk() {
| ^~~~~~~~~~~~~~
0x714a5d
access_ref::size_remaining(generic_wide_int<fixed_wide_int_storage<128> >*)
const
/repo/gcc-trunk/gcc/builtins.c:413
0xe2f36a access_ref::add_offset(generic_wide_int<fixed_wide_int_storage<128> >
const&, generic_wide_int<fixed_wide_int_storage<128> > const&)
/repo/gcc-trunk/gcc/builtins.c:517
0xe30211 handle_mem_ref
/repo/gcc-trunk/gcc/builtins.c:5407
0xe30211 compute_objsize_r
/repo/gcc-trunk/gcc/builtins.c:5549
0xe335d2 compute_objsize(tree_node*, int, access_ref*, pointer_query*)
/repo/gcc-trunk/gcc/builtins.c:5816
0x1514411 maybe_warn_overflow
/repo/gcc-trunk/gcc/tree-ssa-strlen.c:1952
0x151cbe1 maybe_warn_overflow
/repo/gcc-trunk/gcc/tree-ssa-strlen.c:2096
0x151cbe1 handle_store
/repo/gcc-trunk/gcc/tree-ssa-strlen.c:4788
0x151f4a6 check_and_optimize_stmt
/repo/gcc-trunk/gcc/tree-ssa-strlen.c:5426
0x151f4a6 strlen_dom_walker::before_dom_children(basic_block_def*)
/repo/gcc-trunk/gcc/tree-ssa-strlen.c:5622
0x1dcfc57 dom_walker::walk(basic_block_def*)
/repo/gcc-trunk/gcc/domwalk.c:309
0x1514f1e printf_strlen_execute
/repo/gcc-trunk/gcc/tree-ssa-strlen.c:5688
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
