tree 4e55f129dbd49e8faf5f4fadfa76a7a5686c9e33
parent 1e52a074e423460a2390dbbad290e79dbcc76297
author Cherry Zhang <cherryyz@google.com> 1545937838 -0500
committer Cherry Zhang <cherryyz@google.com> 1546015962 +0000

passes: add an option to pad the stack map to frame size

Add a (hidden) option -gogc-stackmap-pad, to pad the stackmap to
at least the frame size, so we can easily do a conservative scan
of a frame in case of debugging.

Change-Id: I69c6086af03d78fdaaddff68eb5643bd6a8cc750
Reviewed-on: https://go-review.googlesource.com/c/155765
Reviewed-by: Than McIntosh <thanm@google.com>