1 // { dg-do assemble }
2 // { dg-options "-Wconditionally-supported" }
3 // { dg-options "-Wno-abi -Wconditionally-supported" { target arm_eabi } }
4
5 // Copyright (C) 1999 Free Software Foundation, Inc.
6 // Contributed by Nathan Sidwell 4 Oct 1999 <nathan@acm.org>
7
8 // Make sure we diagnose bad uses of va_arg
9
10 #include <stdarg.h>
11
12 struct X {int m;};
13 struct Y { Y(const Y&); };
14 struct Z; // { dg-message "forward decl" }
fn1(va_list args)15 void fn1(va_list args)
16 {
17 int i = va_arg (args, int);
18 Y x = va_arg (args, Y); // { dg-message "receiv" }
19 Y y = va_arg (args, struct Y); // { dg-message "receiv" }
20 int &r = va_arg (args, int &); // { dg-error "cannot receive" }
21
22 Z z1 = va_arg (args, Z); // { dg-error "incomplete" }
23 const Z &z2 = va_arg (args, Z); // { dg-error "incomplete" }
24
25 va_arg (args, char); // { dg-warning "promote" }
26 // { dg-message "should pass" "pass" { target *-*-* } .-1 }
27 // { dg-message "abort" "abort" { target *-*-* } .-2 }
28 va_arg (args, int []); // { dg-error "array with unspecified bounds" } promote
29 va_arg (args, int ()); // { dg-warning "promoted" } promote
30 // { dg-message "abort" "abort" { target *-*-* } .-1 }
31 va_arg (args, bool); // { dg-warning "promote" "promote" }
32 // { dg-message "abort" "abort" { target *-*-* } .-1 }
33 }
34