seg-v in 4 lines (DMD 0.160 Linux/XP)

[BCS]

<code>
void main()
{
	switch(1)
	{
//		case 0:	// compiles with this line
			scope(exit) *cast(int*)null = 0;
		default:
	}
}
</code>

C:\...>dmd -v seg_v_1.d
parse     seg_v_1
semantic  seg_v_1
semantic2 seg_v_1
semantic3 seg_v_1
code      seg_v_1
generating code for function 'main'

seg-v