1 /* Test for _Complex: in C99 only.  Test for increment and decrement.  */
2 /* Origin: Joseph Myers <jsm28@cam.ac.uk> */
3 /* { dg-do compile } */
4 /* { dg-options "-std=iso9899:1999 -pedantic-errors" } */
5 
6 /* Use of ++ and -- on complex types (both prefix and postfix) is a
7    C99 constraint violation (6.5.2.4p1, 6.5.3.1p1).
8 */
9 
10 _Complex double
11 foo (_Complex double z)
12 {
13   z++; /* { dg-bogus "warning" "warning in place of error" } */
14   /* { dg-error "complex" "postinc" { target *-*-* } 13 } */
15   ++z; /* { dg-bogus "warning" "warning in place of error" } */
16   /* { dg-error "complex" "preinc" { target *-*-* } 15 } */
17   z--; /* { dg-bogus "warning" "warning in place of error" } */
18   /* { dg-error "complex" "postdec" { target *-*-* } 17 } */
19   --z; /* { dg-bogus "warning" "warning in place of error" } */
20   /* { dg-error "complex" "predec" { target *-*-* } 19 } */
21   return z;
22 }
23