tree e8720c97da3e1e5f80e0e8d9853217f0a7d35013
parent 30c0a0d33faee0355db2cb91e8599d6fd85fae76
author Inada Naoki <songofacandy@gmail.com> 1545839240 +0900
committer Keith Randall <khr@golang.org> 1546541332 +0000

runtime: skip stack barrier copy when there are no pointers

After CL 31455, "go fun(n)" may put "n" to write barrier buffer
when there are no pointers in fun's arguments.

Fixes #29362

Change-Id: Icfa42b8759ce8ad9267dcb3859c626feb6fda381
Reviewed-on: https://go-review.googlesource.com/c/155779
Reviewed-by: Keith Randall <khr@golang.org>