Regexp literal support; Properly resolve statically inherited members

tests/parser/regexp.ts

@@ -0,0 +1,18 @@
+// with modifiers
+/(abc)\//ig;
+
+// without modifiers
+/(abc)\//;
+
+// can be assigned
+var re = /(abc)\//ig;
+
+// generally behaves like an expression
+var noRe = !/(abc)\//i;
+
+// inner line break is unterminated
+/a
+b/ig;
+
+// just a comment
+//ig;