[dev.ssa] all: merge from tip to get dev.ssa current

So we can start working on other architectures here.

Change is a dummy to keep git happy.

Change-Id: I1caa62a242790601810a1ff72af7ea9773d4da76
Reviewed-on: https://go-review.googlesource.com/22822Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>

src/runtime/runtime1.go

@@ -68,7 +68,6 @@ func goargs() {
 	if GOOS == "windows" {
 		return
 	}
-
 	argslice = make([]string, argc)
 	for i := int32(0); i < argc; i++ {
 		argslice[i] = gostringnocopy(argv_index(argv, i))