perf(semantic): reuse identifier hashes in enum member lookups (#26773)

Pass `Ident` directly to enum body scope lookups so static member accesses reuse the cached identifier hash. Convert computed string member names once before searching the body scopes, avoiding repeated hashing for merged enum declarations.

crates/oxc_semantic/src/ts_enum/eval.rs

@@ -3,7 +3,7 @@ use oxc_ast::ast::{
     UnaryExpression,
 };
 use oxc_ecmascript::{ToInt32, ToUint32};
-use oxc_str::CompactStr;
+use oxc_str::{CompactStr, Ident};
 use oxc_syntax::{
     constant_value::ConstantValue,
     number::ToJsString,
@@ -165,7 +165,7 @@ fn evaluate_ref(expr: &Expression<'_>, ctx: &EnumEvalCtx<'_>) -> Option<Constant
         Expression::StaticMemberExpression(member_expr) => {
             let Expression::Identifier(obj_ident) = &member_expr.object else { return None };
             let obj_symbol_id = resolve_identifier_symbol(obj_ident, ctx)?;
-            find_in_enum_body_scopes(member_expr.property.name.as_str(), obj_symbol_id, ctx.scoping)
+            find_in_enum_body_scopes(member_expr.property.name, obj_symbol_id, ctx.scoping)
         }
         Expression::ComputedMemberExpression(member_expr) => {
             let Expression::Identifier(obj_ident) = &member_expr.object else { return None };
@@ -173,7 +173,7 @@ fn evaluate_ref(expr: &Expression<'_>, ctx: &EnumEvalCtx<'_>) -> Option<Constant
                 return None;
             };
             let obj_symbol_id = resolve_identifier_symbol(obj_ident, ctx)?;
-            find_in_enum_body_scopes(prop_lit.value.as_str(), obj_symbol_id, ctx.scoping)
+            find_in_enum_body_scopes(prop_lit.value.into(), obj_symbol_id, ctx.scoping)
         }
         _ => None,
     }
@@ -289,13 +289,13 @@ fn eval_unary_expression(
 /// // The symbol `A` has two body scopes — this searches both.
 /// ```
 fn find_in_enum_body_scopes(
-    member_name: &str,
+    member_name: Ident<'_>,
     enum_symbol_id: SymbolId,
     scoping: &Scoping,
 ) -> Option<ConstantValue> {
     let body_scopes = scoping.get_enum_body_scopes(enum_symbol_id)?;
     for &body_scope in body_scopes {
-        if let Some(member_symbol_id) = scoping.get_binding(body_scope, member_name.into())
+        if let Some(member_symbol_id) = scoping.get_binding(body_scope, member_name)
             && let Some(value) = scoping.get_enum_member_value(member_symbol_id)
         {
             return Some(value.clone());