[Ada] Fix spurious options being inserted in -fdiagnostics-format=json output
commit1b88c61e3749d8da905af1c8efc11002b01bd339
authorGhjuvan Lacambre <lacambre@adacore.com>
Fri, 29 Apr 2022 14:53:05 +0000 (29 16:53 +0200)
committerPierre-Marie de Rodat <derodat@adacore.com>
Mon, 30 May 2022 08:29:05 +0000 (30 08:29 +0000)
tree792c39940fec79c45aa21e50acdc3d9649fde4cb
parenta4db870e1b042ac6ab7ddaef6e2d3e32408578dd
[Ada] Fix spurious options being inserted in -fdiagnostics-format=json output

Without this patch, gnat would use `-gnatw?` as the default option for
some of the default warnings.

gcc/ada/

* erroutc.adb (Get_Warning_Option): Don't consider `?` as a
valid option switch.
gcc/ada/erroutc.adb