TS-1786: build fix for 128-bit atomics
TS-1786: build fix for 128-bit atomics

TS_TRY_COMPILE_NO_WARNING() forces us to re-add the 128-bit atomic
compiler flags after we restore the saved flags.

SolidWallOfCode/trafficserver,chenglongwei/trafficserver,clearswift/trafficserver,rahmalik/trafficserver,vmamidi/trafficserver,PSUdaemon/trafficserver,chenglongwei/trafficserver,reveller/trafficserver,chenglongwei/trafficserver,bryancall/trafficserver,persiaAziz/trafficserver,persiaAziz/trafficserver,persiaAziz/trafficserver,PSUdaemon/trafficserver,pbchou/trafficserver,PSUdaemon/trafficserver,pbchou/trafficserver,PSUdaemon/trafficserver,reveller/trafficserver,reveller/trafficserver,reveller/trafficserver,taoyunxing/trafficserver,vmamidi/trafficserver,duke8253/trafficserver,rahmalik/trafficserver,rahmalik/trafficserver,taoyunxing/trafficserver,taoyunxing/trafficserver,davidbz/trafficserver,chitianhao/trafficserver,clearswift/trafficserver,clearswift/trafficserver,taoyunxing/trafficserver,PSUdaemon/trafficserver,chitianhao/trafficserver,chenglongwei/trafficserver,vmamidi/trafficserver,rahmalik/trafficserver,dyrock/trafficserver,chitianhao/trafficserver,SolidWallOfCode/trafficserver,bryancall/trafficserver,rahmalik/trafficserver,davidbz/trafficserver,rahmalik/trafficserver,duke8253/trafficserver,chenglongwei/trafficserver,rahmalik/trafficserver,SolidWallOfCode/trafficserver,dyrock/trafficserver,dyrock/trafficserver,pbchou/trafficserver,rpufky/trafficserver,persiaAziz/trafficserver,PSUdaemon/trafficserver,SolidWallOfCode/trafficserver,clearswift/trafficserver,persiaAziz/trafficserver,vmamidi/trafficserver,reveller/trafficserver,rpufky/trafficserver,davidbz/trafficserver,PSUdaemon/trafficserver,dyrock/trafficserver,taoyunxing/trafficserver,duke8253/trafficserver,clearswift/trafficserver,bryancall/trafficserver,taoyunxing/trafficserver,reveller/trafficserver,taoyunxing/trafficserver,persiaAziz/trafficserver,pbchou/trafficserver,taoyunxing/trafficserver,rpufky/trafficserver,duke8253/trafficserver,PSUdaemon/trafficserver,SolidWallOfCode/trafficserver,davidbz/trafficserver,rahmalik/trafficserver,rpufky/trafficserver,davidbz/trafficserver,rahmalik/trafficserver,duke8253/trafficserver,chenglongwei/trafficserver,chenglongwei/trafficserver,reveller/trafficserver,PSUdaemon/trafficserver,pbchou/trafficserver,persiaAziz/trafficserver,clearswift/trafficserver,bryancall/trafficserver,pbchou/trafficserver,rpufky/trafficserver,rpufky/trafficserver,dyrock/trafficserver,dyrock/trafficserver,persiaAziz/trafficserver,chitianhao/trafficserver,vmamidi/trafficserver,dyrock/trafficserver,rpufky/trafficserver,rpufky/trafficserver,duke8253/trafficserver,SolidWallOfCode/trafficserver,chitianhao/trafficserver,rpufky/trafficserver,clearswift/trafficserver,bryancall/trafficserver,reveller/trafficserver,SolidWallOfCode/trafficserver,chenglongwei/trafficserver,chitianhao/trafficserver,bryancall/trafficserver,clearswift/trafficserver,chitianhao/trafficserver,vmamidi/trafficserver,duke8253/trafficserver,taoyunxing/trafficserver,davidbz/trafficserver,reveller/trafficserver,clearswift/trafficserver