https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98198
Bug ID: 98198
Summary: [11 Regression] internal compiler error: tree check:
expected class ‘type’, have ‘exceptional’ (error_mark)
in decl_or_type_attrs
Product: gcc
Version: 11.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: anbu1024.me at gmail dot com
Target Milestone: ---
$ cat test-6951.c
static inline void sub_1 ( ) {
struct struct_1 var_9 , var_10
}
static int var_9[1] __attribute__ ( ( section ( ".data" ) ) ) ;
--------------------------------------------------------------------------------
$ gcc-11 --version
gcc (GCC) 11.0.0 20201129 (experimental)
Copyright (C) 2020 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
--------------------------------------------------------------------------------
$ gcc-11 test-6951.c
test-6951.c: In function ‘sub_1’:
test-6951.c:3:25: error: storage size of ‘var_9’ isn’t known
3 | struct struct_1 var_9 , var_10
| ^~~~~
test-6951.c:4:1: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before
‘}’ token
4 | }
| ^
test-6951.c:6:1: internal compiler error: tree check: expected class ‘type’,
have ‘exceptional’ (error_mark) in decl_or_type_attrs, at
c-family/c-attribs.c:775
6 | static int var_9[1] __attribute__ ( ( section ( ".data" ) ) ) ;
| ^~~~~~
0x753c11 tree_class_check_failed(tree_node const*, tree_code_class, char
const*, int, char const*)
../../gcc-11-20201129/gcc/tree.c:9860
0x642f30 tree_class_check(tree_node*, tree_code_class, char const*, int, char
const*)
../../gcc-11-20201129/gcc/tree.h:3454
0x642f30 decl_or_type_attrs
../../gcc-11-20201129/gcc/c-family/c-attribs.c:775
0x642f30 validate_attr_args
../../gcc-11-20201129/gcc/c-family/c-attribs.c:803
0x90691d validate_attr_arg
../../gcc-11-20201129/gcc/c-family/c-attribs.c:889
0x90691d handle_section_attribute
../../gcc-11-20201129/gcc/c-family/c-attribs.c:2132
0x80d0dc decl_attributes(tree_node**, tree_node*, int, tree_node*)
../../gcc-11-20201129/gcc/attribs.c:723
0x8295f2 start_decl(c_declarator*, c_declspecs*, bool, tree_node*, unsigned
int*)
../../gcc-11-20201129/gcc/c/c-decl.c:5188
0x884e32 c_parser_declaration_or_fndef
../../gcc-11-20201129/gcc/c/c-parser.c:2302
0x867ef0 c_parser_compound_statement_nostart
../../gcc-11-20201129/gcc/c/c-parser.c:5700
0x8848f5 c_parser_compound_statement
../../gcc-11-20201129/gcc/c/c-parser.c:5597
0x886378 c_parser_declaration_or_fndef
../../gcc-11-20201129/gcc/c/c-parser.c:2539
0x88dbe3 c_parser_external_declaration
../../gcc-11-20201129/gcc/c/c-parser.c:1777
0x88e629 c_parser_translation_unit
../../gcc-11-20201129/gcc/c/c-parser.c:1650
0x88e629 c_parse_file()
../../gcc-11-20201129/gcc/c/c-parser.c:21877
0x8ebdfd c_common_parse_file()
../../gcc-11-20201129/gcc/c-family/c-opts.c:1198
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.
--------------------------------------------------------------------------------
$ gcc-10 --version
gcc (GCC) 10.2.1 20201128
Copyright (C) 2020 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
--------------------------------------------------------------------------------
$ gcc-10 test-6951.c
test-6951.c: In function ‘sub_1’:
test-6951.c:3:18: error: storage size of ‘var_9’ isn’t known
3 | struct struct_1 var_9 , var_10
| ^~~~~
test-6951.c:4:1: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before
‘}’ token
4 | }
| ^
test-6951.c:6:1: error: expected declaration or statement at end of input
6 | static int var_9[1] __attribute__ ( ( section ( ".data" ) ) ) ;
| ^~~~~~
