r249577 - in /trunk: gcc/go/gofrontend/MERGE li...

[ian@gcc.gnu.org]

Author: ian
Date: Thu Jun 22 22:11:01 2017
New Revision: 249577

URL: https://gcc.gnu.org/viewcvs?rev=249577&root=gcc&view=rev
Log:
    runtime: mark dropm and callees nowritebarrierrec
    
    The CgocallbackDone function calls dropm after it calls entersyscall,
    which means that dropm must not have any write barriers. Mark it
    accordingly.
    
    Reviewed-on: https://go-review.googlesource.com/46464

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