File: c23-tag-composite-5.c

package info (click to toggle)
gcc-arm-none-eabi 15%3A14.2.rel1-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,099,328 kB
  • sloc: cpp: 3,627,108; ansic: 2,571,498; ada: 834,230; f90: 235,082; makefile: 79,231; asm: 74,984; xml: 51,692; exp: 39,736; sh: 33,298; objc: 15,629; python: 15,069; fortran: 14,429; pascal: 7,003; awk: 5,070; perl: 3,106; ml: 285; lisp: 253; lex: 204; haskell: 135
file content (25 lines) | stat: -rw-r--r-- 593 bytes parent folder | download 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
 
/* { dg-do compile }
 * { dg-options "-std=c23" } 
 */

// anonymous structs / unions

extern struct foo { int (*x)[]; struct { int y; }; } a;
extern struct foo { int (*x)[]; struct { int y; }; } a;
extern struct bar { int (*x)[]; union { int y; }; } b;
extern struct bar { int (*x)[]; union { int y; }; } b;

void f(void)
{
	struct foo { int (*x)[1]; struct { int y; }; } c;
	extern typeof(*(1 ? &a : &c)) a;
	a.y;

	struct bar { int (*x)[1]; union { int y; }; } d;
	extern typeof(*(1 ? &b : &d)) b;
	b.y;
}


struct foo { int (*x)[]; union { int y; }; };		/* { dg-error "redefinition" } */