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* [Bug tree-optimization/100574] New: [11/12 Regression] ICE: in size_remaining, at builtins.c:413 with -O3 -ftracer -fno-tree-dominator-opts -fno-tree-fre
@ 2021-05-12 19:57 zsojka at seznam dot cz
  2021-05-12 23:12 ` [Bug tree-optimization/100574] " msebor at gcc dot gnu.org
                   ` (6 more replies)
  0 siblings, 7 replies; 8+ messages in thread
From: zsojka at seznam dot cz @ 2021-05-12 19:57 UTC (permalink / raw)
  To: gcc-bugs

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.

^ permalink raw reply	[flat|nested] 8+ messages in thread
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2021-05-12 19:57 [Bug tree-optimization/100574] New: [11/12 Regression] ICE: in size_remaining, at builtins.c:413 with -O3 -ftracer -fno-tree-dominator-opts -fno-tree-fre zsojka at seznam dot cz
2021-05-12 23:12 ` [Bug tree-optimization/100574] " msebor at gcc dot gnu.org
2021-05-13  1:58 ` msebor at gcc dot gnu.org
2021-05-13 22:33 ` cvs-commit at gcc dot gnu.org
2021-05-13 22:39 ` [Bug tree-optimization/100574] [11 " msebor at gcc dot gnu.org
2021-05-17 11:35 ` rguenth at gcc dot gnu.org
2021-06-17 20:07 ` cvs-commit at gcc dot gnu.org
2021-06-17 20:09 ` msebor at gcc dot gnu.org

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