Missing error when shadowing WeakMap/WeakSet in class private field's scope #2086
Description
Steps to reproduce
function test() {
let WeakMap;
~~~~~~~
!!! error TS18027: Compiler reserves name 'WeakMap' when emitting private identifier downlevel.
let WeakSet;
~~~~~~~
!!! error TS18027: Compiler reserves name 'WeakSet' when emitting private identifier downlevel.
class C {
#x;
}
}
Behavior with typescript@5.8
As shown
Behavior with tsgo
No error
Likely just because this transform isn't implemented yet, but logging to document an accepted error delta