simplified check

Arthur Ozga · Arthur Ozga · commit 2b899f129a27 · 2015-06-03T14:05:18.000-07:00
diff --git a/src/compiler/checker.ts b/src/compiler/checker.ts
@@ -10416,7 +10416,7 @@ module ts {
             }
 
             // Non-ambient classes cannot merge with interfaces.
-            if (!(node.flags & NodeFlags.Ambient) && getDeclarationOfKind(symbol, SyntaxKind.InterfaceDeclaration)) {
+            if (!(node.flags & NodeFlags.Ambient) && symbol.flags & SymbolFlags.Interface) {
                 error(node, Diagnostics.A_non_ambient_class_cannot_be_merged_with_an_interface)
             }
 

Original file line number	Diff line number	Diff line change
`@@ -10416,7 +10416,7 @@ module ts {`
`10416`	`10416`	`}`
`10417`	`10417`
`10418`	`10418`	`// Non-ambient classes cannot merge with interfaces.`
`10419`		`- if (!(node.flags & NodeFlags.Ambient) && getDeclarationOfKind(symbol, SyntaxKind.InterfaceDeclaration)) {`
	`10419`	`+ if (!(node.flags & NodeFlags.Ambient) && symbol.flags & SymbolFlags.Interface) {`
`10420`	`10420`	`error(node, Diagnostics.A_non_ambient_class_cannot_be_merged_with_an_interface)`
`10421`	`10421`	`}`
`10422`	`10422`