[Bug c/100624] New: ICE: Segmentation fault, gimplify_target_expr

[Bug c/100624] New: ICE: Segmentation fault, gimplify_target_expr

[cnsun at uwaterloo dot ca]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100624

            Bug ID: 100624
           Summary: ICE: Segmentation fault, gimplify_target_expr
           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
_Atomic c;
void foo() { double j = c /= foo(); }

$ gcc-trunk  mutant.c
mutant.c:1:9: warning: type defaults to ‘int’ in declaration of ‘c’
[-Wimplicit-int]
    1 | _Atomic c;
      |         ^
mutant.c: In function ‘foo’:
mutant.c:2:1: error: void value not ignored as it ought to be
    2 | void foo() { double j = c /= foo(); }
      | ^~~~
mutant.c:2:27: internal compiler error: Segmentation fault
    2 | void foo() { double j = c /= foo(); }
      |                           ^~
0xef83e3 crash_signal
        /tmp/tmp.eZIsobWkq2-gcc-builder/gcc/gcc/toplev.c:327
0xc34ee2 gimplify_target_expr
        /tmp/tmp.eZIsobWkq2-gcc-builder/gcc/gcc/gimplify.c:6772
0xc269e2 gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
        /tmp/tmp.eZIsobWkq2-gcc-builder/gcc/gcc/gimplify.c:14480
0xc29eaa gimplify_stmt(tree_node**, gimple**)
        /tmp/tmp.eZIsobWkq2-gcc-builder/gcc/gcc/gimplify.c:6877
0xc274ab gimplify_statement_list
        /tmp/tmp.eZIsobWkq2-gcc-builder/gcc/gcc/gimplify.c:1879
0xc274ab gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
        /tmp/tmp.eZIsobWkq2-gcc-builder/gcc/gcc/gimplify.c:14528
0xc29eaa gimplify_stmt(tree_node**, gimple**)
        /tmp/tmp.eZIsobWkq2-gcc-builder/gcc/gcc/gimplify.c:6877
0xc2a2d9 gimplify_compound_expr
        /tmp/tmp.eZIsobWkq2-gcc-builder/gcc/gcc/gimplify.c:6077
0xc3049d gimplify_modify_expr_rhs
        /tmp/tmp.eZIsobWkq2-gcc-builder/gcc/gcc/gimplify.c:5398
0xc36c3a gimplify_modify_expr
        /tmp/tmp.eZIsobWkq2-gcc-builder/gcc/gcc/gimplify.c:5773
0xc26578 gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
        /tmp/tmp.eZIsobWkq2-gcc-builder/gcc/gcc/gimplify.c:14083
0xc29eaa gimplify_stmt(tree_node**, gimple**)
        /tmp/tmp.eZIsobWkq2-gcc-builder/gcc/gcc/gimplify.c:6877
0xc34ba7 gimplify_and_add(tree_node*, gimple**)
        /tmp/tmp.eZIsobWkq2-gcc-builder/gcc/gcc/gimplify.c:489
0xc34ba7 gimplify_decl_expr
        /tmp/tmp.eZIsobWkq2-gcc-builder/gcc/gcc/gimplify.c:1826
0xc270f2 gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
        /tmp/tmp.eZIsobWkq2-gcc-builder/gcc/gcc/gimplify.c:14280
0xc29eaa gimplify_stmt(tree_node**, gimple**)
        /tmp/tmp.eZIsobWkq2-gcc-builder/gcc/gcc/gimplify.c:6877
0xc2a6de gimplify_bind_expr
        /tmp/tmp.eZIsobWkq2-gcc-builder/gcc/gcc/gimplify.c:1421
0xc26913 gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
        /tmp/tmp.eZIsobWkq2-gcc-builder/gcc/gcc/gimplify.c:14284
0xc29eaa gimplify_stmt(tree_node**, gimple**)
        /tmp/tmp.eZIsobWkq2-gcc-builder/gcc/gcc/gimplify.c:6877
0xc2b4a3 gimplify_body(tree_node*, bool)
        /tmp/tmp.eZIsobWkq2-gcc-builder/gcc/gcc/gimplify.c:15328
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.

[Bug middle-end/100624] ICE: Segmentation fault, gimplify_target_expr

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100624

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Depends on|                            |98195

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Most likely a dup of bug 98195.


Referenced Bugs:

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98195
[Bug 98195] [11/12 Regression] internal compiler error: Segmentation fault

[Bug middle-end/100624] ICE: Segmentation fault, gimplify_target_expr

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100624

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |DUPLICATE
             Status|UNCONFIRMED                 |RESOLVED

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Yes this is a dup of bug 98195

*** This bug has been marked as a duplicate of bug 98195 ***