extend fix to blocks with outros

src/compiler/compile/render_dom/wrappers/IfBlock.ts

@@ -340,6 +340,32 @@ export default class IfBlockWrapper extends Wrapper {
 		block.add_variable(current_block_type_index);
 		block.add_variable(name);
 
+		/* eslint-disable @typescript-eslint/indent,indent */
+		if (this.needs_update) {
+			block.builders.init.add_block(deindent`
+				function ${select_block_type}(changed, ctx) {
+					${this.branches.map(({ dependencies, condition, snippet, block }) => condition
+					? deindent`
+					${snippet && (
+						dependencies.length > 0
+							? `if ((${condition} == null) || ${dependencies.map(n => `changed.${n}`).join(' || ')}) ${condition} = !!(${snippet})`
+							: `if (${condition} == null) ${condition} = !!(${snippet})`
+					)}
+					if (${condition}) return ${block.name};`
+					: `return ${block.name};`)}
+				}
+			`);
+		} else {
+			block.builders.init.add_block(deindent`
+				function ${select_block_type}(changed, ctx) {
+					${this.branches.map(({ condition, snippet, block }) => condition
+					? `if (${snippet}) return ${block.name};`
+					: `return ${block.name};`)}
+				}
+			`);
+		}
+		/* eslint-enable @typescript-eslint/indent,indent */
+
 		/* eslint-disable @typescript-eslint/indent,indent */
 		block.builders.init.add_block(deindent`
 			var ${if_block_creators} = [
@@ -348,6 +374,8 @@ export default class IfBlockWrapper extends Wrapper {
 
 			var ${if_blocks} = [];
 
+			${this.needs_update
+				? deindent`
 					function ${select_block_type}(changed, ctx) {
 						${this.branches.map(({ dependencies, condition, snippet }, i) => condition
 						? deindent`
@@ -356,6 +384,15 @@ export default class IfBlockWrapper extends Wrapper {
 						: `return ${i};`)}
 						${!has_else && `return -1;`}
 					}
+				`
+				: deindent`
+					function ${select_block_type}(changed, ctx) {
+						${this.branches.map(({ condition, snippet }, i) => condition
+						? `if (${snippet}) return ${String(i)};`
+						: `return ${i};`)}
+						${!has_else && `return -1;`}
+					}
+				`}
 		`);
 		/* eslint-enable @typescript-eslint/indent,indent */
 
@@ -379,6 +416,7 @@ export default class IfBlockWrapper extends Wrapper {
 			`${if_current_block_type_index}${if_blocks}[${current_block_type_index}].m(${initial_mount_node}, ${anchor_node});`
 		);
 
+		if (this.needs_update) {
 			const update_mount_node = this.get_update_mount_node(anchor);
 
 			const destroy_old_block = deindent`
@@ -436,6 +474,9 @@ export default class IfBlockWrapper extends Wrapper {
 					}
 				`);
 			}
+		} else if (dynamic) {
+			block.builders.update.add_line(`${name}.p(changed, ctx);`);
+		}
 
 		block.builders.destroy.add_line(deindent`
 			${if_current_block_type_index}${if_blocks}[${current_block_type_index}].d(${detaching});

test/runtime/samples/if-block-static-with-else-and-outros/EEE.svelte

@@ -0,0 +1 @@
+eee

test/runtime/samples/if-block-static-with-else-and-outros/RRR.svelte

@@ -0,0 +1 @@
+rrr

test/runtime/samples/if-block-static-with-else-and-outros/_config.js

@@ -0,0 +1,3 @@
+export default {
+	html: 'eee'
+};

test/runtime/samples/if-block-static-with-else-and-outros/main.svelte

@@ -0,0 +1,10 @@
+<script>
+	import EEE from './EEE.svelte';
+	import RRR from './RRR.svelte';
+</script>
+
+{#if "Eva".startsWith('E')}
+	<EEE/>
+{:else}
+	<RRR/>
+{/if}