// { dg-do assemble } // Copyright (C) 1999 Free Software Foundation, Inc. // Contributed by Nathan Sidwell 4 Oct 1999 <nathan@acm.org> // Make sure we diagnose bad uses of va_arg #include <stdarg.h> struct X {int m;}; struct Y : X {int m;}; struct Z; // { dg-error "" } forward decl void fn1(va_list args) { int i = va_arg (args, int); Y x = va_arg (args, Y); // { dg-warning "" } cannot receive Y y = va_arg (args, struct Y); // { dg-warning "" } cannot receive int &r = va_arg (args, int &); // { dg-warning "" } cannot receive Z z1 = va_arg (args, Z); // { dg-error "" } incomplete const Z &z2 = va_arg (args, Z); // { dg-error "" } incomplete va_arg (args, char); // { dg-error "" } promote va_arg (args, int []); // { dg-error "" } promote va_arg (args, int ()); // { dg-error "" } promote va_arg (args, bool); // { dg-error "" } promote }