buffer: backport --zero-fill-buffers command line option - #5748

buffer: backport --zero-fill-buffers command line option#5748

jasnell wants to merge 1 commit into

nodejs:v0.12-stagingnodejs/node:v0.12-stagingfrom

jasnell:v0.12-zero-fill-buffersjasnell/node:v0.12-zero-fill-buffersCopy head branch name to clipboard