Enforce comment from sinfo.ads about the Condition field in N_Raise_xxx_Error nodes. Only an extra sanity check; the behaviour is not affected.
Tested on x86-64/Linux, applied on the mainline. 2021-05-21 Piotr Trojanek <troja...@adacore.com> * gcc-interface/trans.c (Raise_Error_to_gnu): Add an assertion. -- Eric Botcazou