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rbuckton · rbuckton · commit 9bb191585123 · 2017-08-24T17:01:28.000-07:00
diff --git a/src/compiler/checker.ts b/src/compiler/checker.ts
@@ -16344,7 +16344,7 @@ namespace ts {
         }
 
         function getJavaScriptClassType(symbol: Symbol): Type | undefined {
-            if (symbol && isDeclarationOfFunctionOrClassExpression(symbol)) {
+            if (isDeclarationOfFunctionOrClassExpression(symbol)) {
                 symbol = getSymbolOfNode((<VariableDeclaration>symbol.valueDeclaration).initializer);
             }
             if (isJavaScriptConstructor(symbol.valueDeclaration)) {

Original file line number	Diff line number	Diff line change
`@@ -16344,7 +16344,7 @@ namespace ts {`
`16344`	`16344`	`}`
`16345`	`16345`
`16346`	`16346`	`function getJavaScriptClassType(symbol: Symbol): Type \| undefined {`
`16347`		`- if (symbol && isDeclarationOfFunctionOrClassExpression(symbol)) {`
	`16347`	`+ if (isDeclarationOfFunctionOrClassExpression(symbol)) {`
`16348`	`16348`	`symbol = getSymbolOfNode((<VariableDeclaration>symbol.valueDeclaration).initializer);`
`16349`	`16349`	`}`
`16350`	`16350`	`if (isJavaScriptConstructor(symbol.valueDeclaration)) {`