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// { dg-do run }
// { dg-skip-if "fails with generic thunk support" { rs6000-*-* powerpc-*-eabi v850-*-* sh-*-* sh64-*-* h8*-*-* xtensa*-*-* m32r*-*-* lm32-*-* } { "*" } { "" } }
// Test that variadic function calls using thunks work right.
// Note that this will break on any target that uses the generic thunk
// support, because it doesn't support variadic functions.
#include <stdarg.h>
struct A {
void* p;
A (void* q): p (q) { }
A (const A& a): p (a.p) { }
};
class CBase {
public:
virtual void BaseFunc();
};
class MMixin {
public:
virtual A MixinFunc(int arg, ...) = 0;
};
class CExample : public CBase, public MMixin {
public:
A MixinFunc(int arg, ...);
};
void CBase::BaseFunc()
{
}
A CExample::MixinFunc(int arg, ...)
{
va_list ap;
va_start (ap, arg);
if (arg != 1 || va_arg (ap, int) != 2 || va_arg (ap, int) != 3
|| va_arg (ap, int) != 4 || va_arg (ap, int) != 5
|| va_arg (ap, int) != 6 || va_arg (ap, int) != 7
|| va_arg (ap, int) != 8 || va_arg (ap, int) != 9)
return 0;
return this;
}
void* test(MMixin& anExample)
{
return anExample.MixinFunc(1,2,3,4,5,6,7,8,9).p;
}
int main ()
{
CExample c;
if (test(c) != &c)
return 1;
}
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