https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100545
Bug ID: 100545
Summary: ICE with -g: in gen_typedef_die, at dwarf2out.c:25714
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
typedef __attribute__((mode(SI))) fatp_t __attribute__((aligned));
$ gcc-trunk -g mutant.c
mutant.c:1:35: warning: type defaults to ‘int’ in declaration of ‘fatp_t’
[-Wimplicit-int]
1 | typedef __attribute__((mode(SI))) fatp_t __attribute__((aligned));
| ^~~~~~
mutant.c:1:1: internal compiler error: in gen_typedef_die, at dwarf2out.c:25714
1 | typedef __attribute__((mode(SI))) fatp_t __attribute__((aligned));
| ^~~~~~~
0x6a6c97 gen_typedef_die
/tmp/tmp.FUbEknNORK-gcc-builder/gcc/gcc/dwarf2out.c:25714
0x6a6c97 gen_typedef_die
/tmp/tmp.FUbEknNORK-gcc-builder/gcc/gcc/dwarf2out.c:25686
0xb1d4b9 gen_decl_die
/tmp/tmp.FUbEknNORK-gcc-builder/gcc/gcc/dwarf2out.c:26718
0xb1ec96 dwarf2out_decl
/tmp/tmp.FUbEknNORK-gcc-builder/gcc/gcc/dwarf2out.c:27270
0xb1f180 dwarf2out_type_decl
/tmp/tmp.FUbEknNORK-gcc-builder/gcc/gcc/dwarf2out.c:26988
0xb1f180 dwarf2out_type_decl
/tmp/tmp.FUbEknNORK-gcc-builder/gcc/gcc/dwarf2out.c:26983
0xe0a48a rest_of_decl_compilation(tree_node*, int, int)
/tmp/tmp.FUbEknNORK-gcc-builder/gcc/gcc/passes.c:251
0x8dffe7 finish_decl(tree_node*, unsigned int, tree_node*, tree_node*,
tree_node*)
/tmp/tmp.FUbEknNORK-gcc-builder/gcc/gcc/c/c-decl.c:5603
0x9431ab c_parser_declaration_or_fndef
/tmp/tmp.FUbEknNORK-gcc-builder/gcc/gcc/c/c-parser.c:2370
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.
