4 fail_compilation/fail13701.d(16): Error: cannot modify `immutable` expression `this.aa[10]`
5 fail_compilation/fail13701.d(23): Error: cannot modify `immutable` expression `aa[10]`
6 fail_compilation/fail13701.d(24): Error: cannot modify `immutable` expression `aa[10]`
12 immutable(int)[int] aa
;
15 aa
[10] = 20; // initializing
16 aa
[10] = 30; // assignment
22 immutable(int)[int] aa
;