[Bug ada/126413] Error message issue for raise expression and with Atomic

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=126413

--- Comment #2 from Pascal Pignard <p.p11 at orange dot fr> ---
The example itself certainly adds nothing. However, since it relates to the
level of syntactic analysis, it might help shed light on a hidden issue. Only
your expertise can determine that.