[Bug testsuite/88920] [9 regression] GCC is not configured to support amdgcn-unknown-amdhsa as offload target

[ams at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88920

--- Comment #11 from Andrew Stubbs <ams at gcc dot gnu.org> ---
Created attachment 45481
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=45481&action=edit
Cache test

This patch caches the result so that the (harmless) error message occurs only
once.

Is there a way to hide it in a higher verbosity level?