hasExcessProperty only uses valueDeclaration if available

sandersn · sandersn · commit 70069aeb3149 · 2017-06-08T14:15:24.000-07:00
Previously it would crash if valueDeclaration was not set
diff --git a/src/compiler/checker.ts b/src/compiler/checker.ts
@@ -8977,7 +8977,9 @@ namespace ts {
                                     reportError(Diagnostics.Property_0_does_not_exist_on_type_1, symbolToString(prop), typeToString(target));
                                 }
                                 else {
-                                    errorNode = prop.valueDeclaration;
+                                    if (prop.valueDeclaration) {
+                                        errorNode = prop.valueDeclaration;
+                                    }
                                     reportError(Diagnostics.Object_literal_may_only_specify_known_properties_and_0_does_not_exist_in_type_1,
                                         symbolToString(prop), typeToString(target));
                                 }

Original file line number	Diff line number	Diff line change
`@@ -8977,7 +8977,9 @@ namespace ts {`
`8977`	`8977`	`reportError(Diagnostics.Property_0_does_not_exist_on_type_1, symbolToString(prop), typeToString(target));`
`8978`	`8978`	`}`
`8979`	`8979`	`else {`
`8980`		`- errorNode = prop.valueDeclaration;`
	`8980`	`+ if (prop.valueDeclaration) {`
	`8981`	`+ errorNode = prop.valueDeclaration;`
	`8982`	`+ }`
`8981`	`8983`	`reportError(Diagnostics.Object_literal_may_only_specify_known_properties_and_0_does_not_exist_in_type_1,`
`8982`	`8984`	`symbolToString(prop), typeToString(target));`
`8983`	`8985`	`}`