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* [Bug c/100625] New: ICE on gimple program: Segmentation fault, contains_struct_check(tree_node*, tree_node_structure_enum, char const*, int,  char const*)
@ 2021-05-16 17:54 cnsun at uwaterloo dot ca
  2021-05-17 12:46 ` [Bug c/100625] " rguenth at gcc dot gnu.org
                   ` (4 more replies)
  0 siblings, 5 replies; 6+ messages in thread
From: cnsun at uwaterloo dot ca @ 2021-05-16 17:54 UTC (permalink / raw)
  To: gcc-bugs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100625

            Bug ID: 100625
           Summary: ICE on gimple program: Segmentation fault,
                    contains_struct_check(tree_node*,
                    tree_node_structure_enum, char const*, int, char
                    const*)
           Product: gcc
           Version: tree-ssa
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c
          Assignee: unassigned at gcc dot gnu.org
          Reporter: cnsun at uwaterloo dot ca
  Target Milestone: ---

$ gcc-trunk -v
Using built-in specs.
COLLECT_GCC=gcc-trunk
COLLECT_LTO_WRAPPER=/scratch/software/gcc-trunk/libexec/gcc/x86_64-pc-linux-gnu/12.0.0/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: /tmp/tmp.eZIsobWkq2-gcc-builder/gcc/configure
--enable-languages=c,c++,lto --enable-checking-yes --enable-multiarch
--prefix=/scratch/software/gcc-trunk --disable-bootstrap
Thread model: posix
Supported LTO compression algorithms: zlib
gcc version 12.0.0 20210514 (experimental) [master revision
:e5c3c8afa:f3b1516d9dfd969d7cc1ca6f26dec13478a1c458] (GCC)

$ cat mutant.c
__GIMPLE
foo() {
bb1:
bb1:;
}

$ gcc-trunk -fgimple mutant.c
mutant.c:2:1: warning: return type defaults to ‘int’ [-Wimplicit-int]
    2 | foo() {
      | ^~~
mutant.c: In function ‘foo’:
mutant.c:4:1: error: duplicate label ‘bb1’
    4 | bb1:;
      | ^~~
mutant.c:3:1: note: previous definition of ‘bb1’ with type ‘void’
    3 | bb1:
      | ^~~
during GIMPLE pass: cfg
mutant.c:2:1: internal compiler error: Segmentation fault
    2 | foo() {
      | ^~~
0xef83e3 crash_signal
        /tmp/tmp.eZIsobWkq2-gcc-builder/gcc/gcc/toplev.c:327
0xf38755 contains_struct_check(tree_node*, tree_node_structure_enum, char
const*, int, char const*)
        /tmp/tmp.eZIsobWkq2-gcc-builder/gcc/gcc/tree.h:3469
0xf38755 stmt_starts_bb_p
        /tmp/tmp.eZIsobWkq2-gcc-builder/gcc/gcc/tree-cfg.c:2784
0xf38755 make_blocks_1
        /tmp/tmp.eZIsobWkq2-gcc-builder/gcc/gcc/tree-cfg.c:552
0xf44fd6 make_blocks
        /tmp/tmp.eZIsobWkq2-gcc-builder/gcc/gcc/tree-cfg.c:661
0xf44fd6 build_gimple_cfg
        /tmp/tmp.eZIsobWkq2-gcc-builder/gcc/gcc/tree-cfg.c:226
0xf44fd6 execute_build_cfg
        /tmp/tmp.eZIsobWkq2-gcc-builder/gcc/gcc/tree-cfg.c:370
0xf44fd6 execute
        /tmp/tmp.eZIsobWkq2-gcc-builder/gcc/gcc/tree-cfg.c:409
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] 6+ messages in thread
end of thread, other threads:[~2022-01-04  2:34 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2021-05-16 17:54 [Bug c/100625] New: ICE on gimple program: Segmentation fault, contains_struct_check(tree_node*, tree_node_structure_enum, char const*, int, char const*) cnsun at uwaterloo dot ca
2021-05-17 12:46 ` [Bug c/100625] " rguenth at gcc dot gnu.org
2021-05-17 14:18 ` cvs-commit at gcc dot gnu.org
2021-05-17 14:31 ` rguenth at gcc dot gnu.org
2022-01-04  2:34 ` pinskia at gcc dot gnu.org
2022-01-04  2:34 ` pinskia at gcc dot gnu.org

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