feat(parser): report error on for await in static blocks

crates/oxc_semantic/src/checker/javascript.rs

@@ -975,6 +975,14 @@ pub fn check_for_statement_left(
     }
 }
 
+pub fn check_for_of_statement(stmt: &ForOfStatement, ctx: &SemanticBuilder<'_>) {
+    // ClassStaticBlockBody : ClassStaticBlockStatementList
+    //   It is a Syntax Error if ClassStaticBlockStatementList Contains await is true.
+    if stmt.r#await && ctx.scoping.scope_flags(ctx.current_scope_id).is_class_static_block() {
+        ctx.error(diagnostics::class_static_block_await(stmt.span));
+    }
+}
+
 pub fn check_class(class: &Class, ctx: &SemanticBuilder<'_>) {
     check_private_identifier(ctx);
 

crates/oxc_semantic/src/checker/mod.rs

@@ -61,6 +61,7 @@ pub fn check<'a>(kind: AstKind<'a>, ctx: &SemanticBuilder<'a>) {
         }
         AstKind::ForOfStatement(stmt) => {
             js::check_function_declaration(&stmt.body, false, ctx);
+            js::check_for_of_statement(stmt, ctx);
             js::check_for_statement_left(&stmt.left, false, ctx);
             ts::check_for_statement_left(&stmt.left, false, ctx);
         }

tasks/coverage/snapshots/parser_typescript.snap

@@ -3,7 +3,7 @@ commit: 34725489
 parser_typescript Summary:
 AST Parsed     : 9831/9834 (99.97%)
 Positive Passed: 9820/9834 (99.86%)
-Negative Passed: 1527/2578 (59.23%)
+Negative Passed: 1528/2578 (59.27%)
 Expect Syntax Error: tasks/coverage/typescript/tests/cases/compiler/FunctionDeclaration3.ts
 
 Expect Syntax Error: tasks/coverage/typescript/tests/cases/compiler/FunctionDeclaration4.ts
@@ -1006,8 +1006,6 @@ Expect Syntax Error: tasks/coverage/typescript/tests/cases/conformance/classes/c
 
 Expect Syntax Error: tasks/coverage/typescript/tests/cases/conformance/classes/classExpressions/classWithStaticFieldInParameterInitializer.2.ts
 
-Expect Syntax Error: tasks/coverage/typescript/tests/cases/conformance/classes/classStaticBlock/classStaticBlock23.ts
-
 Expect Syntax Error: tasks/coverage/typescript/tests/cases/conformance/classes/constructorDeclarations/classConstructorOverloadsAccessibility.ts
 
 Expect Syntax Error: tasks/coverage/typescript/tests/cases/conformance/classes/constructorDeclarations/constructorParameters/constructorDefaultValuesReferencingThis.ts
@@ -13820,6 +13818,24 @@ Expect to Parse: tasks/coverage/typescript/tests/cases/conformance/parser/ecmasc
  14 │   }
     ╰────
 
+  × Cannot use await in class static initialization block
+   ╭─[typescript/tests/cases/conformance/classes/classStaticBlock/classStaticBlock23.ts:5:5]
+ 4 │       static {
+ 5 │ ╭─▶     for await (const nn of nums) {
+ 6 │ │           console.log(nn)
+ 7 │ ╰─▶     }
+ 8 │       }
+   ╰────
+
+  × Cannot use await in class static initialization block
+    ╭─[typescript/tests/cases/conformance/classes/classStaticBlock/classStaticBlock23.ts:14:7]
+ 13 │         static {
+ 14 │ ╭─▶       for await (const nn of nums) {
+ 15 │ │             console.log(nn)
+ 16 │ ╰─▶       }
+ 17 │         }
+    ╰────
+
   × Unexpected token
    ╭─[typescript/tests/cases/conformance/classes/classStaticBlock/classStaticBlock26.ts:3:14]
  2 │     static {