prims.cc (_Jv_NewObjectArray): Make sure byte size doesn't overflow a jint.

prims.cc (_Jv_NewObjectArray): Make sure byte size doesn't overflow a jint.

	* prims.cc (_Jv_NewObjectArray): Make sure byte size doesn't
	overflow a jint.
	(_Jv_NewPrimArray): Check for overflowing a jint, replacing a
	check for overflowing size_t, since the lower level functions
	take a jint.
	* testsuite/libjava.lang/newarray_overflow.java:  New file.
	* testsuite/libjava.lang/newarray_overflow.out:  New file.

From-SVN: r72577