Minor testsuite tweaks gcc/testsuite/ * gnat.dg/valid_scalars2.adb: Remove -O0 option. * gnat.dg/validity_check3.ads: Rename to... * gnat.dg/valid_scalars3.ads: ...this. * gnat.dg/validity_check3.adb: Rename to... * gnat.dg/valid_scalars3.adb: ...this.