Test:destructuring array initialisers refer to previous elements

Author: sandersn

tests/cases/conformance/es6/destructuring/destructuringArrayBindingPatternAndAssignment3.ts

@@ -0,0 +1,4 @@
+const [a, b = a] = [1]; // ok
+const [a, b = a, c = c] = [1]; // error for c
+const [a, b = a, c = d, d = a] = [1]; // error for c
+