r268948 - in /trunk/gcc/go/gofrontend: MERGE wb.cc

[ian@gcc.gnu.org]

Author: ian
Date: Fri Feb 15 21:04:58 2019
New Revision: 268948

URL: https://gcc.gnu.org/viewcvs?rev=268948&root=gcc&view=rev
Log:
	PR go/89368
    compiler: write barrier check nil-check policy tweak
    
    Tweak the recipe for generating writeBarrier loads to insure that the
    dereference expr is marked as not requiring a nil check (not needed
    for gccgo, but needed for gollvm).
    
    Fixes https://gcc.gnu.org/PR89368
    
    Reviewed-on: https://go-review.googlesource.com/c/162904

Modified:
    trunk/gcc/go/gofrontend/MERGE
    trunk/gcc/go/gofrontend/wb.cc