r234694 - in /trunk: gcc/go/gofrontend/MERGE li...

[ian@gcc.gnu.org]

Author: ian
Date: Sat Apr  2 00:47:53 2016
New Revision: 234694

URL: https://gcc.gnu.org/viewcvs?rev=234694&root=gcc&view=rev
Log:
    runtime: Use atomic load for in entersyscall.
    
    Reportedly fixes PPC64 deadlock.
    
    From a comment by Gabriel Russell.
    
    Fixes golang/go#15051.
    
    Reviewed-on: https://go-review.googlesource.com/21450

Modified:
    trunk/gcc/go/gofrontend/MERGE
    trunk/libgo/runtime/proc.c