Skip JS globals for InlineComponent nodes in warn_if_undefined. (#4071)

src/compiler/compile/Component.ts

@@ -1283,7 +1283,7 @@ export default class Component {
 
 		if (this.var_lookup.has(name) && !this.var_lookup.get(name).global) return;
 		if (template_scope && template_scope.names.has(name)) return;
-		if (globals.has(name)) return;
+		if (globals.has(name) && node.type !== 'InlineComponent') return;
 
 		let message = `'${name}' is not defined`;
 		if (!this.ast.instance)

test/validator/samples/missing-component-global/input.svelte

@@ -0,0 +1,3 @@
+<div>
+	<String/>
+</div>

test/validator/samples/missing-component-global/warnings.json

@@ -0,0 +1,15 @@
+[{
+	"code": "missing-declaration",
+	"message": "'String' is not defined. Consider adding a <script> block with 'export let String' to declare a prop",
+	"start": {
+		"line": 2,
+		"column": 1,
+		"character": 7
+	},
+	"end": {
+		"line": 2,
+		"column": 10,
+		"character": 16
+	},
+	"pos": 7
+}]