RFR (XS): Use actual byte value instead of (int)true in C1 matrix barrier

[Roman Kennke]

Am 13.03.2017 um 22:54 schrieb Aleksey Shipilev:
> On 03/13/2017 08:43 PM, Zhengyu Gu wrote:
>> +void MacroAssembler::testbool(Address dst) {
>> + if(sizeof(bool) == 1) {
>> + testb(dst, 0xff);
>> + } else {
>> + // unsupported
>> + ShouldNotReachHere();
>> + }
>> +}
>>
>>
>> Also a left-over?
> Yes! Forgot about that, let's purge that too:
>   http://cr.openjdk.java.net/~shade/shenandoah/matrix-cleanup/webrev.01/

Ok!
Roman