It should be noted that in this particular case it only happens when optimisations are enabled (-O2).

With -O2: https://godbolt.org/#g:!((g:!((g:!((h:codeEditor,i:(filename...

Without -O2: https://godbolt.org/#g:!((g:!((g:!((h:codeEditor,i:(filename...

[Edited. I originally wrote "It should be noted that this only happens when..." but inserted "in this particular case" after @eru pointed it out.]