question: private static void clearStack ( int depth ) { int a = 0 ; int b = 0 ; int c = 0 ; int d = 0 ; int e = 0 ; int f = 0 ; int g = 0 ; int h = 0 ; int i = 0 ; int j = 0 ; if ( depth > 0 ) { clearStack ( depth - 1 ) ; } }
target:  Scribbles on the stack to help ensure we don't have a fake pointer that would keep would-be garbage alive.