| /* Test GNU parameter forward declarations. */ |
| /* Origin: Joseph Myers <joseph@codesourcery.com> */ |
| /* { dg-do compile } */ |
| /* { dg-options "" } */ |
| |
| /* Valid uses. */ |
| int f1(int a; int a); |
| int f2(int a; int a) { return 0; } |
| int f3(int a; int a; int a); |
| int f4(int a; int a; int a) { return 0; } |
| int f5(int a; int (*x)[a], int a); |
| int f6(int a; int (*x)[a], int a) { return 0; } |
| int f7(int a; int (*x)[a]; int (*y)[x[1][2]], int (*x)[a], int a); |
| int f8(int a; int (*x)[a]; int (*y)[x[1][2]], int (*x)[a], int a) { return 0; } |
| |
| /* Strange uses accepted by GCC 4.0 but not by 3.4 and probably not |
| desirable to accept. */ |
| int g1(int a;); /* { dg-error "just a forward declaration" "no parms" { xfail *-*-* } } */ |
| int g2(int a; __attribute__((unused))); /* { dg-error "just a forward declaration" "no parms" { xfail *-*-* } } */ |
| int g3(int;); /* { dg-error "just a forward declaration" "no parms" { xfail *-*-* } } */ |
| int g4(int, long;); /* { dg-error "just a forward declaration" "no parms" { xfail *-*-* } } */ |
| |
| /* Invalid uses. */ |
| int h1(int a; int b); /* { dg-error "just a forward declaration" } */ |
| int h2(int; int b); /* { dg-error "just a forward declaration" } */ |
| int h3(int a; long a); /* { dg-error "conflicting types|previous definition|just a forward declaration" } */ |
