https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100527
Bug ID: 100527
Summary: ICE: Segmentation fault,
flags_from_decl_or_type(tree_node 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.FUbEknNORK-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 20210511 (experimental) [master revision
:7db32cac8:aa891c56f25baac94db004e309d1b6e40b770a95] (GCC)
$ cat mutant.c
__GIMPLE
foo() {
int __builtin_abs;
__builtin_abs();
}
$ gcc-trunk -O0 mutant.c
mutant.c:1:1: error: ‘__GIMPLE’ only valid with ‘-fgimple’
1 | __GIMPLE
| ^~~~~~~~
mutant.c:2:1: warning: return type defaults to ‘int’ [-Wimplicit-int]
2 | foo() {
| ^~~
mutant.c: In function ‘foo’:
mutant.c:4:3: internal compiler error: Segmentation fault
4 | __builtin_abs();
| ^~~~~~~~~~~~~
0xef7273 crash_signal
/tmp/tmp.FUbEknNORK-gcc-builder/gcc/gcc/toplev.c:327
0xa1e00e flags_from_decl_or_type(tree_node const*)
/tmp/tmp.FUbEknNORK-gcc-builder/gcc/gcc/calls.c:810
0xbe2c32 gimple_call_flags(gimple const*)
/tmp/tmp.FUbEknNORK-gcc-builder/gcc/gcc/gimple.c:1474
0xbe2d9c gimple_call_reset_alias_info(gcall*)
/tmp/tmp.FUbEknNORK-gcc-builder/gcc/gcc/gimple.c:210
0xbe2ef6 gimple_build_call_1
/tmp/tmp.FUbEknNORK-gcc-builder/gcc/gcc/gimple.c:235
0xbe2ef6 gimple_build_call_from_tree(tree_node*, tree_node*)
/tmp/tmp.FUbEknNORK-gcc-builder/gcc/gcc/gimple.c:375
0x953929 c_parser_gimple_statement
/tmp/tmp.FUbEknNORK-gcc-builder/gcc/gcc/c/gimple-parser.c:719
0x953929 c_parser_gimple_compound_statement
/tmp/tmp.FUbEknNORK-gcc-builder/gcc/gcc/c/gimple-parser.c:650
0x953929 c_parser_gimple_compound_statement
/tmp/tmp.FUbEknNORK-gcc-builder/gcc/gcc/c/gimple-parser.c:381
0x954fa7 c_parser_parse_gimple_body(c_parser*, char*, c_declspec_il,
profile_count)
/tmp/tmp.FUbEknNORK-gcc-builder/gcc/gcc/c/gimple-parser.c:253
0x944187 c_parser_declaration_or_fndef
/tmp/tmp.FUbEknNORK-gcc-builder/gcc/gcc/c/c-parser.c:2533
0x94b9d3 c_parser_external_declaration
/tmp/tmp.FUbEknNORK-gcc-builder/gcc/gcc/c/c-parser.c:1777
0x94c439 c_parser_translation_unit
/tmp/tmp.FUbEknNORK-gcc-builder/gcc/gcc/c/c-parser.c:1650
0x94c439 c_parse_file()
/tmp/tmp.FUbEknNORK-gcc-builder/gcc/gcc/c/c-parser.c:21984
0x9ac765 c_common_parse_file()
/tmp/tmp.FUbEknNORK-gcc-builder/gcc/gcc/c-family/c-opts.c:1218
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.
