gcc/testsuite/gdc.test/runnable/extra-files/moreBettercUnittests.d - gcc - Git at Google

 __gshared uint sum;

 unittest
 {
     sum |= 0x100;
 }

 unittest
 {
     sum |= 0x1000;
 }
	__gshared uint sum;

	unittest
	{
	sum \|= 0x100;
	}

	unittest
	{
	sum \|= 0x1000;
	}