runtime: always mark assembly file as non-executable stack

For https://gcc.gnu.org/PR92820.

Change-Id: Ied403e39935b143148cca5fa0ed3f701d70f9c17
Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/210037
Reviewed-by: Cherry Zhang <cherryyz@google.com>
1 file changed