r267989 - in /trunk: gcc/go/gofrontend/MERGE li...

[ian@gcc.gnu.org]

Author: ian
Date: Wed Jan 16 22:38:33 2019
New Revision: 267989

URL: https://gcc.gnu.org/viewcvs?rev=267989&root=gcc&view=rev
Log:
    syscall: mark C syscall functions noescape
    
    Many C syscall functions take pointer arguments. The pointers
    don't escape in the C functions. Mark the C functions noescape so
    calling them doesn't need allocation.
    
    Reviewed-on: https://go-review.googlesource.com/c/158158

Modified:
    trunk/gcc/go/gofrontend/MERGE
    trunk/libgo/go/syscall/exec_linux.go
    trunk/libgo/go/syscall/mksyscall.awk