🤖 Pick PR #57853 (Revert PR 56161) into release-5.4 (#57854)

Co-authored-by: Jake Bailey <5341706+jakebailey@users.noreply.github.com>
microsoft · Mar 19, 2024 · cd06f92 · cd06f92
1 parent ca8e720
commit cd06f92
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diff --git a/src/compiler/checker.ts b/src/compiler/checker.ts
@@ -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);
             }
         }

diff --git a/tests/baselines/reference/enumWithInfinityProperty.errors.txt b/tests/baselines/reference/enumWithInfinityProperty.errors.txt
diff --git a/tests/baselines/reference/enumWithNaNProperty.errors.txt b/tests/baselines/reference/enumWithNaNProperty.errors.txt
diff --git a/tests/baselines/reference/enumWithNegativeInfinityProperty.errors.txt b/tests/baselines/reference/enumWithNegativeInfinityProperty.errors.txt