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