https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100620
Bug ID: 100620
Summary: ICE: in gimplify_var_or_parm_decl, at gimplify.c:2840
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() {
int t1;
t1_1 = __builtin_abs(t1);
}
$ gcc-trunk -fgimple mutant.c
mutant.c:2:1: warning: return type defaults to ‘int’ [-Wimplicit-int]
2 | foo() {
| ^~~
during GIMPLE pass: lower
In function ‘foo’:
cc1: internal compiler error: in gimplify_var_or_parm_decl, at gimplify.c:2840
0x6d9dc5 gimplify_var_or_parm_decl
/tmp/tmp.eZIsobWkq2-gcc-builder/gcc/gcc/gimplify.c:2840
0xc26554 gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
/tmp/tmp.eZIsobWkq2-gcc-builder/gcc/gcc/gimplify.c:14544
0xc28b39 gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
/tmp/tmp.eZIsobWkq2-gcc-builder/gcc/gcc/gimplify.c:14829
0xc4a301 force_gimple_operand_1(tree_node*, gimple**, bool (*)(tree_node*),
tree_node*)
/tmp/tmp.eZIsobWkq2-gcc-builder/gcc/gcc/gimplify-me.c:78
0xbf29f0 gimplify_and_update_call_from_tree(gimple_stmt_iterator*, tree_node*)
/tmp/tmp.eZIsobWkq2-gcc-builder/gcc/gcc/gimple-fold.c:792
0xc007b9 gimple_fold_builtin
/tmp/tmp.eZIsobWkq2-gcc-builder/gcc/gcc/gimple-fold.c:5167
0xc03117 gimple_fold_call
/tmp/tmp.eZIsobWkq2-gcc-builder/gcc/gcc/gimple-fold.c:5561
0xc03117 fold_stmt_1
/tmp/tmp.eZIsobWkq2-gcc-builder/gcc/gcc/gimple-fold.c:6263
0x191f533 lower_stmt
/tmp/tmp.eZIsobWkq2-gcc-builder/gcc/gcc/gimple-low.c:388
0x191f533 lower_sequence
/tmp/tmp.eZIsobWkq2-gcc-builder/gcc/gcc/gimple-low.c:217
0x191f3dd lower_gimple_bind
/tmp/tmp.eZIsobWkq2-gcc-builder/gcc/gcc/gimple-low.c:473
0x192029d lower_function_body
/tmp/tmp.eZIsobWkq2-gcc-builder/gcc/gcc/gimple-low.c:110
0x192029d execute
/tmp/tmp.eZIsobWkq2-gcc-builder/gcc/gcc/gimple-low.c:195
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.
