[core][rewriter] fix wasm build and accidental double visit in assign

Author: velzie

rewriter/js/src/visitor.rs

@@ -517,6 +517,5 @@ where
 			}
 			_ => {}
 		}
-		walk::walk_assignment_expression(self, it);
 	}
 }

rewriter/wasm/src/jsr.rs

@@ -120,6 +120,7 @@ pub fn get_js_flags(scramjet: &Object, base: String, is_module: bool) -> Result<
 		capture_errors: get_flag(scramjet, &base, "captureErrors")?,
 		scramitize: get_flag(scramjet, &base, "scramitize")?,
 		strict_rewrites: get_flag(scramjet, &base, "strictRewrites")?,
+		destructure_rewrites: get_flag(scramjet, &base, "destructureRewrites")?,
 
 		base,
 	})