microsoft
diff --git a/‎src/compiler/checker.ts
+1-1 b/‎src/compiler/checker.ts
+1-1
diff --git a/‎tests/baselines/reference/enumWithInfinityProperty.errors.txt
-10 b/‎tests/baselines/reference/enumWithInfinityProperty.errors.txt
-10
diff --git a/‎tests/baselines/reference/enumWithNaNProperty.errors.txt
-10 b/‎tests/baselines/reference/enumWithNaNProperty.errors.txt
-10
diff --git a/‎tests/baselines/reference/enumWithNegativeInfinityProperty.errors.txt
-10 b/‎tests/baselines/reference/enumWithNegativeInfinityProperty.errors.txt
-10
@@ -45377,7 +45377,7 @@ export function createTypeChecker(host: TypeCheckerHost): TypeChecker {
         }
         else {
             const text = getTextOfPropertyName(member.name);
-            if (isNumericLiteralName(text)) {
+            if (isNumericLiteralName(text) && !isInfinityOrNaNString(text)) {
                 error(member.name, Diagnostics.An_enum_member_cannot_have_a_numeric_name);
             }
         }
Original file line number	Diff line number	Diff line change
`@@ -45377,7 +45377,7 @@ export function createTypeChecker(host: TypeCheckerHost): TypeChecker {`
`45377`	`45377`	`}`
`45378`	`45378`	`else {`
`45379`	`45379`	`const text = getTextOfPropertyName(member.name);`
`45380`		`- if (isNumericLiteralName(text)) {`
	`45380`	`+ if (isNumericLiteralName(text) && !isInfinityOrNaNString(text)) {`
`45381`	`45381`	`error(member.name, Diagnostics.An_enum_member_cannot_have_a_numeric_name);`
`45382`	`45382`	`}`
`45383`	`45383`	`}`