fix(es/compat): Visit children of while statement in the `generator…

…` pass (#7624)

**Related issue:**

 - Closes #7622.

crates/swc/tests/fixture/issues-7xxx/7622/input/.swcrc

@@ -0,0 +1,19 @@
+{
+    "jsc": {
+        "parser": {
+            "syntax": "typescript",
+            "tsx": false
+        },
+        "target": "es5",
+        "loose": false,
+        "minify": {
+            "compress": false,
+            "mangle": false
+        }
+    },
+    "module": {
+        "type": "es6"
+    },
+    "minify": false,
+    "isModule": true
+}

crates/swc/tests/fixture/issues-7xxx/7622/input/1.js

@@ -0,0 +1,11 @@
+async function asyncWhile() {
+    while (true) {
+        return {};
+    }
+}
+
+function* generatorWhile() {
+    while (true) {
+        return {};
+    }
+}

crates/swc/tests/fixture/issues-7xxx/7622/output/1.js

@@ -0,0 +1,34 @@
+import { _ as _async_to_generator } from "@swc/helpers/_/_async_to_generator";
+import { _ as _ts_generator } from "@swc/helpers/_/_ts_generator";
+function asyncWhile() {
+    return _asyncWhile.apply(this, arguments);
+}
+function _asyncWhile() {
+    _asyncWhile = _async_to_generator(function() {
+        return _ts_generator(this, function(_state) {
+            while(true){
+                return [
+                    2,
+                    {}
+                ];
+            }
+            return [
+                2
+            ];
+        });
+    });
+    return _asyncWhile.apply(this, arguments);
+}
+function generatorWhile() {
+    return _ts_generator(this, function(_state) {
+        while(true){
+            return [
+                2,
+                {}
+            ];
+        }
+        return [
+            2
+        ];
+    });
+}

crates/swc_ecma_transforms_compat/src/es2015/generator.rs

@@ -1646,6 +1646,8 @@ impl Generator {
             self.emit_break(loop_label, None);
             self.end_loop_block();
         } else {
+            node.visit_mut_children_with(self);
+
             self.emit_stmt(Stmt::While(node));
         }
     }