branch and block effects do not also need to be render effects

packages/svelte/src/internal/client/reactivity/batch.js

@@ -271,7 +271,9 @@ export class Batch {
 			var skip = is_skippable_branch || (flags & INERT) !== 0 || this.skipped_effects.has(effect);
 
 			if (!skip && effect.fn !== null) {
-				if ((flags & EFFECT_ASYNC) !== 0) {
+				if (is_branch) {
+					effect.f ^= CLEAN;
+				} else if ((flags & EFFECT_ASYNC) !== 0) {
 					const boundary = effect.b;
 
 					if (check_dirtiness(effect)) {
@@ -282,8 +284,6 @@ export class Batch {
 					if (check_dirtiness(effect)) {
 						update_effect(effect);
 					}
-				} else if (is_branch) {
-					effect.f ^= CLEAN;
 				} else if ((flags & RENDER_EFFECT) !== 0) {
 					// we need to branch here because in legacy mode we run render effects
 					// before running block effects

packages/svelte/src/internal/client/reactivity/effects.js

@@ -355,7 +355,7 @@ export function template_effect(fn, sync = [], async = []) {
  * @param {number} flags
  */
 export function block(fn, flags = 0) {
-	var effect = create_effect(RENDER_EFFECT | BLOCK_EFFECT | flags, fn, true);
+	var effect = create_effect(BLOCK_EFFECT | flags, fn, true);
 	if (DEV) {
 		effect.dev_stack = dev_stack;
 	}
@@ -367,7 +367,7 @@ export function block(fn, flags = 0) {
  * @param {boolean} [push]
  */
 export function branch(fn, push = true) {
-	return create_effect(RENDER_EFFECT | BRANCH_EFFECT, fn, true, push);
+	return create_effect(BRANCH_EFFECT, fn, true, push);
 }
 
 /**