https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98355
Bug ID: 98355
Summary: [9/10/11 Regression] ICE in has_attribute, at
c-family/c-attribs.c:5628
Product: gcc
Version: 11.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: gs...@t-online.de
Target Milestone: ---
Started to ICE with version r9, roundabout 20181125 :
$ cat z1.cc
struct S { int a; };
template <int> struct T
{
static_assert (__builtin_has_attribute (((S*)0) -> a, packed));
};
$ g++-11-20201213 -c z1.cc
z1.cc:4:57: internal compiler error: Segmentation fault
4 | static_assert (__builtin_has_attribute (((S*)0) -> a, packed));
| ^~~~~~
0xc8f5ff crash_signal
../../gcc/toplev.c:327
0x841f52 has_attribute(unsigned int, tree_node*, tree_node*, tree_node*
(*)(tree_node*))
../../gcc/c-family/c-attribs.c:5628
0x7525ed cp_parser_has_attribute_expression
../../gcc/cp/parser.c:8936
0x7525ed cp_parser_unary_expression
../../gcc/cp/parser.c:8527
0x72b84f cp_parser_cast_expression
../../gcc/cp/parser.c:9712
0x72c082 cp_parser_binary_expression
../../gcc/cp/parser.c:9814
0x72c7e0 cp_parser_assignment_expression
../../gcc/cp/parser.c:10118
0x72dcbd cp_parser_constant_expression
../../gcc/cp/parser.c:10414
0x72f7d2 cp_parser_static_assert
../../gcc/cp/parser.c:15319
0x75d23c cp_parser_member_declaration
../../gcc/cp/parser.c:25844
0x73774e cp_parser_member_specification_opt
../../gcc/cp/parser.c:25712
0x73774e cp_parser_class_specifier_1
../../gcc/cp/parser.c:24801
0x739639 cp_parser_class_specifier
../../gcc/cp/parser.c:25112
0x739639 cp_parser_type_specifier
../../gcc/cp/parser.c:18368
0x73a0b6 cp_parser_decl_specifier_seq
../../gcc/cp/parser.c:14990
0x75bd05 cp_parser_single_declaration
../../gcc/cp/parser.c:30321
0x75c095 cp_parser_template_declaration_after_parameters
../../gcc/cp/parser.c:29984
0x75c84b cp_parser_explicit_template_declaration
../../gcc/cp/parser.c:30250
0x75c84b cp_parser_template_declaration_after_export
../../gcc/cp/parser.c:30269
0x75ecf9 cp_parser_declaration
../../gcc/cp/parser.c:13996
