fix(compiler-ssr): don't render v-if comments in TransitionGroup + static tag (#11515)

close #11514

Author: edison1105

packages/compiler-ssr/__tests__/ssrTransitionGroup.spec.ts

@@ -38,6 +38,28 @@ describe('transition-group', () => {
     `)
   })
 
+  // #11514
+  test('with static tag + comment', () => {
+    expect(
+      compile(
+        `<transition-group tag="ul"><div v-for="i in list"/><div v-if="false"></div></transition-group>`,
+      ).code,
+    ).toMatchInlineSnapshot(`
+      "const { ssrRenderAttrs: _ssrRenderAttrs, ssrRenderList: _ssrRenderList } = require("vue/server-renderer")
+
+      return function ssrRender(_ctx, _push, _parent, _attrs) {
+        _push(\`<ul\${_ssrRenderAttrs(_attrs)}>\`)
+        _ssrRenderList(_ctx.list, (i) => {
+          _push(\`<div></div>\`)
+        })
+        if (false) {
+          _push(\`<div></div>\`)
+        }
+        _push(\`</ul>\`)
+      }"
+    `)
+  })
+
   test('with dynamic tag', () => {
     expect(
       compile(

packages/compiler-ssr/src/transforms/ssrTransformTransitionGroup.ts

@@ -108,7 +108,7 @@ export function ssrProcessTransitionGroup(
         context.pushStringPart(` ${scopeId}`)
       }
       context.pushStringPart(`>`)
-      processChildren(node, context, false, true)
+      processChildren(node, context, false, true, true)
       context.pushStringPart(`</${tag.value!.content}>`)
     }
   } else {