State --sysroot option as validated once processed

Since we now save the option in the "switches" table
to let specs use it more generally, we need to explicitly
state that the option was validated else the driver
will consider it "unrecognized".

2022-01-05  Olivier Hainque  <hainque@adacore.com>

	* gcc.c (driver_handle_option): State --sysroot as
	validated.

1 files changed, 1 insertions, 0 deletions

diff --git a/gcc/gcc.c b/gcc/gcc.c
index d4c8746..29fa0f7 100644
--- a/gcc/gcc.c
+++ b/gcc/gcc.c
@@ -4495,6 +4495,7 @@ driver_handle_option (struct gcc_options *opts,
       /* Saving this option is useful to let self-specs decide to
 	 provide a default one.  */
       do_save = true;
+      validated = true;
       break;
 
     case OPT_time_: