only one error instead of many within map literal

```haxe
class A {}
class B {}
class C {}

function main() {
// multiple errors as expected
A.new;
B.new;
C.new;

// only a single error for A.new
var mapping = [
"A" => A.new,
"B" => B.new,
"C" => C.new,
];
}
```