aarch64: Accept hyphenated extensions in --with-arch [PR123460]

Add "-" to the list of valid characters in an extension name that is
used when removing the first extension from an extension string.

gcc/ChangeLog:

	PR target/123460
	* config.gcc: Accept hyphens in aarch64 --with-arch extensions.

diff --git a/gcc/config.gcc b/gcc/config.gcc
index 30fcacba39273e45057970143526980ae61522c9..b671e11960be1ef634449947900b6c5d1c598e91 100644 (file)
--- a/gcc/config.gcc
+++ b/gcc/config.gcc
@@ -4394,7 +4394,7 @@ case "${target}" in
                                  echo "Unknown extension used in --with-$which=$val" 1>&2
                                  exit 1
                                fi
-                               ext_val=`echo $ext_val | sed -E -e 's/[a-z0-9]+//'`
+                               ext_val=`echo $ext_val | sed -E -e 's/[a-z0-9-]+//'`
                          done
 
                          true