[thirdparty/gcc.git] / gcc / testsuite / gdc.test / runnable / test17338.d

// PERMUTE_ARGS:

// COMDAT folding increases runtime by > 80x
// REQUIRED_ARGS(windows): -L/OPT:NOICF

// Apparently omf or optlink does not support more than 32767 symbols.
// DISABLED: win32

// Generate \sum_{i=0}^{14} 2^i = 32767 template instantiations
// (each with 3 sections) to use more than 64Ki sections in total.

size_t foo(size_t i, size_t mask)()
{
    static if (i == 14)
        return mask;
    else
        return foo!(i + 1, mask) + foo!(i + 1, mask | (1UL << i));
}

void main()
{
    assert(foo!(0, 0) != 0);
}
Commit	Line	Data
b4c522fa	1	// PERMUTE_ARGS:
5fee5ec3 IB	2
	3	// COMDAT folding increases runtime by > 80x
	4	// REQUIRED_ARGS(windows): -L/OPT:NOICF
	5
	6	// Apparently omf or optlink does not support more than 32767 symbols.
	7	// DISABLED: win32
	8
b4c522fa IB	9	// Generate \sum_{i=0}^{14} 2^i = 32767 template instantiations
b4c522fa IB	10	// (each with 3 sections) to use more than 64Ki sections in total.
5fee5ec3 IB	11
5fee5ec3 IB	12	size_t foo(size_t i, size_t mask)()
b4c522fa	13	{
5fee5ec3 IB	14	static if (i == 14)
	15	return mask;
	16	else
	17	return foo!(i + 1, mask) + foo!(i + 1, mask \| (1UL << i));
b4c522fa	18	}
b4c522fa	19
5fee5ec3 IB	20	void main()
	21	{
	22	assert(foo!(0, 0) != 0);
b4c522fa	23	}