Allow (int[*]) { 1, 2 } cast style initialization. Experimental change from [*] to [?]. Fix issue where compile time declarations in expression list would not be handled properly.

test/test_suite/strings/string_to_array.c3t

@@ -2,12 +2,12 @@
 module foo;
 
 char[2] g = "ab";
-char[*] h = "abc";
+char[?] h = "abc";
 
 fn int main()
 {
     char[2] x = "ab";
-    char[*] y = "abc";
+    char[?] y = "abc";
     return 0;
 }