Compiler failure

Appears while building cache using latest Haxe version from development and hxb_server_cache_simn_cleanup branches
```
Haxe: 5.0.0-alpha.1+3f6bed7; OS type: windows;
File "src/macro/macroApi.ml", line 2283, characters 19-26
Called from file "src/macro/macroApi.ml", line 2283, characters 12-26
Called from file "list.ml", line 92, characters 20-23
Called from file "src/macro/macroApi.ml", line 2278, characters 13-278
Called from file "src/macro/eval/evalEmitter.ml", line 773, characters 13-21
Called from file "src/macro/eval/evalEmitter.ml", line 473, characters 9-17
Called from file "src/macro/eval/evalEmitter.ml", line 260, characters 7-18
Called from file "src/macro/eval/evalEmitter.ml", line 766, characters 9-17
Called from file "src/macro/eval/evalEmitter.ml", line 83, characters 23-31
Called from file "src/macro/eval/evalEmitter.ml", line 266, characters 8-19
Called from file "src/macro/eval/evalEmitter.ml", line 194, characters 41-56
Called from file "src/macro/eval/evalEmitter.ml", line 202, characters 6-48
Called from file "src/macro/eval/evalEmitter.ml", line 194, characters 41-56
Called from file "src/macro/eval/evalEmitter.ml", line 202, characters 6-48
Called from file "src/macro/eval/evalEmitter.ml", line 264, characters 8-19
Called from file "src/macro/eval/evalEmitter.ml", line 260, characters 7-18
Called from file "src/macro/eval/evalEmitter.ml", line 766, characters 9-17
Called from file "list.ml", line 92, characters 20-23
Called from file "src/macro/eval/evalEmitter.ml", line 311, characters 10-36
Called from file "src/macro/eval/evalEmitter.ml", line 83, characters 23-31
Called from file "src/macro/eval/evalEmitter.ml", line 275, characters 8-19
```