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// { dg-options "-O1 -w -fpermissive" }
// { dg-do run }
// Tests the fold bug described in PR 19650.
#include <stdio.h>
#include <stdlib.h>
#define test(a) ((a) ? 1 : 0)
typedef int (*arg_cmp_func)();
class Item_func
{
public:
enum Functype { UNKNOWN_FUNC, EQ_FUNC, EQUAL_FUNC };
virtual enum Functype functype() const { return UNKNOWN_FUNC; }
};
class Item_bool_func2 : public Item_func
{
public:
virtual enum Functype functype() const { return EQUAL_FUNC; }
};
class Arg_comparator
{
public:
Item_bool_func2 *owner;
arg_cmp_func func;
static arg_cmp_func comparator_matrix[4][2];
int Arg_comparator::set_compare_func(Item_bool_func2 *item, int type)
{
owner = item;
/****************** problematic line is here ************************/
func = comparator_matrix[type][test(owner->functype() == Item_func::EQUAL_FUNC)];
return 0;
}
};
int compare_string() { return 0; }
int compare_e_string() { return 0; }
int compare_real() { return 0; }
int compare_e_real() { return 0; }
int compare_int_signed() { return 0; }
int compare_e_int() { return 0; }
int compare_row() { return 0; }
int compare_e_row() { return 0; }
arg_cmp_func Arg_comparator::comparator_matrix[4][2] =
{{&compare_string, &compare_e_string},
{&compare_real, &compare_e_real},
{&compare_int_signed, &compare_e_int},
{&compare_row, &compare_e_row}};
void myfunc (const char*p, arg_cmp_func f1, arg_cmp_func f2) __attribute__((noinline));
void myfunc (const char*p, arg_cmp_func f1, arg_cmp_func f2)
{
if (f1!=f2)
abort ();
}
int main()
{
Arg_comparator cmp;
Item_bool_func2 equal_func;
cmp.set_compare_func(&equal_func, 0);
myfunc("cmp.func is %p (expected %p)\n", cmp.func, &compare_e_string);
}
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