MIPS: Add the isa_rev>=2 option to interrupt_handler-bug-1.c.

gcc/testsuite/

	* gcc.target/mips/interrupt_handler-bug-1.c (dg-options): Add
	isa_rev>=2.

From-SVN: r242692

gcc/testsuite/ChangeLog

+2016-11-22  Toma Tabacu  <toma.tabacu@imgtec.com>
+
+	* gcc.target/mips/interrupt_handler-bug-1.c (dg-options): Add
+	isa_rev>=2.
+
 2016-11-22  Jakub Jelinek  <jakub@redhat.com>
 
 	PR tree-optimization/78436

gcc/testsuite/gcc.target/mips/interrupt_handler-bug-1.c

-/* { dg-options "-funroll-loops" } */
+/* { dg-options "-funroll-loops isa_rev>=2" } */
 int foo;
 int bar;