https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120030
Bug ID: 120030
Summary: ICE in set_init_priority when applying multiple
__attribute__((constructor)) declarations in C
Product: gcc
Version: 15.1.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: mario.rodriguezb1 at um dot es
Target Milestone: ---
This code causes an internal compiler error (ICE) from gcc 7 to 15.1.
```
#include <stdlib.h>
#define FOO __attribute__ ((constructor))
void my_display() FOO FOO;
FOO void my_display2() FOO __attribute__ ((constructor (14)));
```
Stack dump in gcc-13
```
prueba.c:5:1: internal compiler error: in set_init_priority, at symtab.cc:1793
0x6f091b symtab_node::set_init_priority(unsigned short)
.././../gcc-13-source/gcc/symtab.cc:1793
0x82b6ea handle_constructor_attribute
.././../gcc-13-source/gcc/c-family/c-attribs.cc:1968
0x741c3a decl_attributes(tree_node**, tree_node*, int, tree_node*)
.././../gcc-13-source/gcc/attribs.cc:878
0x75aa9a start_decl(c_declarator*, c_declspecs*, bool, tree_node*, bool,
unsigned int*)
.././../gcc-13-source/gcc/c/c-decl.cc:5460
0x7ae5c0 c_parser_declaration_or_fndef
.././../gcc-13-source/gcc/c/c-parser.cc:2599
0x7b65bb c_parser_external_declaration
.././../gcc-13-source/gcc/c/c-parser.cc:1925
0x7b6f93 c_parser_translation_unit
.././../gcc-13-source/gcc/c/c-parser.cc:1779
0x7b6f93 c_parse_file()
.././../gcc-13-source/gcc/c/c-parser.cc:24632
0x814561 c_common_parse_file()
.././../gcc-13-source/gcc/c-family/c-opts.cc:1248
```
To reproduce:
https://gcc.godbolt.org/z/eWoq1saTn
