[arm] Fix gcc.target/arm/pr79058.c

This testcase tests 32-bit ARM state functionality, so add the -marm to make it explicit
as well as to avoid Thumb1 hard-float errors for certain toolchain configurations.


     * gcc.target/arm/pr79058.c: Add arm_arm_ok check and -marm to options.

From-SVN: r256878

gcc/testsuite/ChangeLog

+2018-01-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
+
+	* gcc.target/arm/pr79058.c: Add arm_arm_ok check and -marm to options.
+
 2018-01-18  John David Anglin  <danglin@gcc.gnu.org>
 
 	* gcc.dg/torture/pr52451.c (main): Skip long double test on

gcc/testsuite/gcc.target/arm/pr79058.c

 /* { dg-do compile } */
+/* { dg-require-effective-target arm_arm_ok } */
 /* { dg-skip-if "do not override -mcpu" { *-*-* } { "-mcpu=*" } { "-mcpu=arm7tdmi" } } */
-/* { dg-options "-Os -mbig-endian -mcpu=arm7tdmi" } */
+/* { dg-options "-Os -mbig-endian -marm -mcpu=arm7tdmi" } */
 
 enum { NILFS_SEGMENT_USAGE_ACTIVE, NILFS_SEGMENT_USAGE_DIRTY } a;