https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100783
Bug ID: 100783
Summary: ICE: at c/c-objc-common.c:188
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.tVhv2eaPzV-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 20210526 (experimental) [master revision
:21638bbbf:1fd76b24306ed4df4cf9e797d900699ed59ce7f7] (GCC)
$ cat mutant.c
__attribute__((nonnull(1))) foo(char[z]) {}
$ gcc-trunk mutant.c
mutant.c:1:38: error: ‘z’ undeclared here (not in a function)
1 | __attribute__((nonnull(1))) foo(char[z]) {}
| ^
‘
in print_type, at c/c-objc-common.c:188
1 | __attribute__((nonnull(1))) foo(char[z]) {}
| ^~~~~~~~~~~~~
0x654caa print_type
/tmp/tmp.tVhv2eaPzV-gcc-builder/gcc/gcc/c/c-objc-common.c:188
0x91de6a c_tree_printer
/tmp/tmp.tVhv2eaPzV-gcc-builder/gcc/gcc/c/c-objc-common.c:310
0x91de6a c_tree_printer
/tmp/tmp.tVhv2eaPzV-gcc-builder/gcc/gcc/c/c-objc-common.c:254
0x1b358ec pp_format(pretty_printer*, text_info*)
/tmp/tmp.tVhv2eaPzV-gcc-builder/gcc/gcc/pretty-print.c:1475
0x1b19f6c diagnostic_report_diagnostic(diagnostic_context*, diagnostic_info*)
/tmp/tmp.tVhv2eaPzV-gcc-builder/gcc/gcc/diagnostic.c:1244
0x1b1a4ae diagnostic_impl
/tmp/tmp.tVhv2eaPzV-gcc-builder/gcc/gcc/diagnostic.c:1406
0x1b1a9d9 warning(int, char const*, ...)
/tmp/tmp.tVhv2eaPzV-gcc-builder/gcc/gcc/diagnostic.c:1527
0x9d04d4 positional_argument(tree_node const*, tree_node const*, tree_node*,
tree_code, int, int)
/tmp/tmp.tVhv2eaPzV-gcc-builder/gcc/gcc/c-family/c-attribs.c:747
0x9d07c2 handle_nonnull_attribute
/tmp/tmp.tVhv2eaPzV-gcc-builder/gcc/gcc/c-family/c-attribs.c:4358
0x8ce496 decl_attributes(tree_node**, tree_node*, int, tree_node*)
/tmp/tmp.tVhv2eaPzV-gcc-builder/gcc/gcc/attribs.c:723
0x8eb137 start_function(c_declspecs*, c_declarator*, tree_node*)
/tmp/tmp.tVhv2eaPzV-gcc-builder/gcc/gcc/c/c-decl.c:9436
0x947cae c_parser_declaration_or_fndef
/tmp/tmp.tVhv2eaPzV-gcc-builder/gcc/gcc/c/c-parser.c:2440
0x94ff73 c_parser_external_declaration
/tmp/tmp.tVhv2eaPzV-gcc-builder/gcc/gcc/c/c-parser.c:1777
0x9509d9 c_parser_translation_unit
/tmp/tmp.tVhv2eaPzV-gcc-builder/gcc/gcc/c/c-parser.c:1650
0x9509d9 c_parse_file()
/tmp/tmp.tVhv2eaPzV-gcc-builder/gcc/gcc/c/c-parser.c:21994
0x9b1155 c_common_parse_file()
/tmp/tmp.tVhv2eaPzV-gcc-builder/gcc/gcc/c-family/c-opts.c:1219
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.
