gen: fix comptime attrs stmts (#10925)

vlib/v/gen/c/comptime.v

@@ -519,12 +519,11 @@ fn (mut g Gen) comp_for(node ast.CompFor) {
 			}
 			for attr in sym.info.attrs {
 				g.writeln('/* attribute $i */ {')
-
 				g.writeln('\t${node.val_var}.name = _SLIT("$attr.name");')
 				g.writeln('\t${node.val_var}.has_arg = $attr.has_arg;')
 				g.writeln('\t${node.val_var}.arg = _SLIT("$attr.arg");')
 				g.writeln('\t${node.val_var}.kind = AttributeKind__$attr.kind;')
-
+				g.stmts(node.stmts)
 				g.writeln('}')
 			}
 		}

vlib/v/tests/comptime_attribute_selector_test.v

@@ -1,12 +1,31 @@
-[test: 'hello']
+[name: 'abc']
+[amount: 2]
 [abc]
-struct Test {}
+struct Abc {}
+
+fn test_comp_for_attributes() {
+	mut res := ''
+	mut amount := 0
+	$for attr in Abc.attributes {
+		if attr.name == 'amount' && attr.has_arg && attr.kind == .number {
+			amount = attr.arg.int()
+		}
+		if attr.name == 'name' && attr.has_arg && attr.kind == .string {
+			res = attr.arg
+		}
+	}
+	res = res.repeat(amount)
+	assert res == 'abcabc'
+}
 
 fn test_attributes() {
-	$for attr in Test.attributes {
+	$for attr in Abc.attributes {
-		if attr.has_arg {
+		if attr.has_arg && attr.kind == .string {
-			assert attr.name == 'test'
+			assert attr.name == 'name'
-			assert attr.arg == 'hello'
+			assert attr.arg == 'abc'
+		} else if attr.has_arg && attr.kind == .number {
+			assert attr.name == 'amount'
+			assert attr.arg == '2'
 		} else {
 			assert attr.name == 'abc'
 		}