public inbox for gcc-bugs@sourceware.org
help / color / mirror / Atom feed
* [Bug c/110298] New: ICE at -Os on x86_64-linux-gnu
@ 2023-06-17 14:29 shaohua.li at inf dot ethz.ch
  2023-06-17 15:36 ` [Bug c/110298] [10/11/12/13/14 Regression] ICE at -Os on x86_64-linux-gnu since r10-840 jakub at gcc dot gnu.org
                   ` (10 more replies)
  0 siblings, 11 replies; 12+ messages in thread
From: shaohua.li at inf dot ethz.ch @ 2023-06-17 14:29 UTC (permalink / raw)
  To: gcc-bugs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110298

            Bug ID: 110298
           Summary: ICE at -Os on x86_64-linux-gnu
           Product: gcc
           Version: 14.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c
          Assignee: unassigned at gcc dot gnu.org
          Reporter: shaohua.li at inf dot ethz.ch
  Target Milestone: ---

ICE at -Os.

$ cat a.c
int a, b, c, d, e;
int f() {
  c = 0;
  for (; c >= 0; c--) {
    d = 0;
    for (; d <= 0; d++) {
      e = 0;
      for (; d + c + e >= 0; e--)
        ;
      a = 1;
      b = 0;
      for (; a; ++b)
        a *= 2;
      for (; b + d >= 0;)
        return 0;
    }
  }
}
int main() {}
$
$ gcc-tk -Os a.c
during GIMPLE pass: cunroll
a.c: In function ‘f’:
a.c:2:5: internal compiler error: tree check: expected class ‘type’, have
‘exceptional’ (error_mark) in tree_nop_conversion_p, at tree.cc:11961
    2 | int f() {
      |     ^
0x20cb70e internal_error(char const*, ...)
        ???:0
0x87f9b6 tree_class_check_failed(tree_node const*, tree_code_class, char
const*, int, char const*)
        ???:0
0x16e265d generic_simplify_386(unsigned int, tree_node*, tree_node*,
tree_node*, tree_node**, tree_code)
        ???:0
0x16b8bc8 generic_simplify_GE_EXPR(unsigned int, tree_code, tree_node*,
tree_node*, tree_node*)
        ???:0
0xca5f45 fold_binary_loc(unsigned int, tree_code, tree_node*, tree_node*,
tree_node*)
        ???:0
0xcc0dc4 fold(tree_node*)
        ???:0
0x1209be8 simplify_replace_tree(tree_node*, tree_node*, tree_node*, tree_node*
(*)(tree_node*, void*), void*, bool)
        ???:0
0x120abcb substitute_in_loop_info(loop*, tree_node*, tree_node*)
        ???:0
0x10c6dc5 replace_uses_by(tree_node*, tree_node*)
        ???:0
0xb485d3 merge_blocks(basic_block_def*, basic_block_def*)
        ???:0
0x10d9784 cleanup_tree_cfg(unsigned int)
        ???:0
Please submit a full bug report, with preprocessed source (by using
-freport-bug).
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
$
$ gcc-tk -v
Using built-in specs.
COLLECT_GCC=gcc-tk
COLLECT_LTO_WRAPPER=/zdata/shaoli/compilers/ccbuilder-compilers/gcc-27612ce352921d74086102d9ad4d3e011923f837/libexec/gcc/x86_64-pc-linux-gnu/14.0.0/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: ../configure --disable-multilib --disable-bootstrap
--enable-languages=c,c++
--prefix=/zdata/shaoli/compilers/ccbuilder-compilers/gcc-27612ce352921d74086102d9ad4d3e011923f837
Thread model: posix
Supported LTO compression algorithms: zlib
gcc version 14.0.0 20230616 (experimental) (GCC)
$

^ permalink raw reply	[flat|nested] 12+ messages in thread
end of thread, other threads:[~2023-12-15 12:20 UTC | newest]

Thread overview: 12+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2023-06-17 14:29 [Bug c/110298] New: ICE at -Os on x86_64-linux-gnu shaohua.li at inf dot ethz.ch
2023-06-17 15:36 ` [Bug c/110298] [10/11/12/13/14 Regression] ICE at -Os on x86_64-linux-gnu since r10-840 jakub at gcc dot gnu.org
2023-06-17 18:09 ` [Bug tree-optimization/110298] " pinskia at gcc dot gnu.org
2023-06-17 18:22 ` pinskia at gcc dot gnu.org
2023-06-19  7:53 ` rguenth at gcc dot gnu.org
2023-06-19 11:02 ` cvs-commit at gcc dot gnu.org
2023-06-19 11:03 ` [Bug tree-optimization/110298] [10/11/12/13 " rguenth at gcc dot gnu.org
2023-06-23 10:30 ` cvs-commit at gcc dot gnu.org
2023-06-23 11:30 ` [Bug tree-optimization/110298] [10/11/12 " cvs-commit at gcc dot gnu.org
2023-07-07 10:45 ` [Bug tree-optimization/110298] [11 " rguenth at gcc dot gnu.org
2023-12-15 12:18 ` cvs-commit at gcc dot gnu.org
2023-12-15 12:20 ` rguenth at gcc dot gnu.org

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).