https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106020
--- Comment #2 from Matt Godbolt ---
There are many hundreds of similar errors in that example; perhaps this example
is more of a clue:
/opt/compiler-explorer/gcc-12.1.0/include/c++/12.1.0/bits/move.h:205:11:
warning: writing 1 byte into a regi
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106020
--- Comment #1 from Matt Godbolt ---
Apologies for the unreduced issue, if I get a chance I'll try and shorten it,
but I hoped someone might recognise what the issue is from just this.
