// Report any races during execution of this test up to this point.
	//
	// We will assume that any races that occur between here and the point where
	// we unblock are not caused by this subtest. That assumption usually holds,
	// although it can be wrong if the test spawns a goroutine that races in the
	// background while the rest of the test is blocked on the call to Parallel.

		// before it exits. We set the minimum at 5 seconds to account for the OS
		// overhead, and scale it up from there proportional to the overall test
		// timeout on the assumption that the time to write and read a goroutine
		// dump from a timed-out test process scales roughly with the overall
		// running time of the test.
		//

   of the input argument. This attribute is added only to the input argument
   when the initial value of the corresponding resource is read, and the
   resource is written later.

Assumption of this pass:
 . Compound resource operations have already been decomposed.
 . Dead functions have already been removed, as resource arguments in dead
   functions can cause the pass to fail.

#### Options