t.Errorf("testExtStore failed.  want = %d, got = %d", start, got)
	}
}

var b int

// testDeadStorePanic_ssa ensures that we don't optimize away stores
// that could be read by after recover().  Modeled after fixedbugs/issue1304.
//
//go:noinline
func testDeadStorePanic_ssa(a int) (r int) {
	defer func() {
		recover()
		r = a
	}()
	a = 2      // store
	b := a - a // optimized to zero