liblink: fix arm wrapper prologue

Fixes arm build.

TBR=khr
CC=golang-codereviews
https://golang.org/cl/132700043

diff --git a/src/liblink/obj5.c b/src/liblink/obj5.c
index e8b81ec5ca103014a1ac6ebc9d206c8ea286a13f..0b6b8deb5f86e260b9a9a373d0696a85d54ad2a0 100644 (file)
--- a/src/liblink/obj5.c
+++ b/src/liblink/obj5.c
@@ -492,7 +492,7 @@ addstacksplit(Link *ctxt, LSym *cursym)
                                p = appendp(ctxt, p);
                                p->as = ACMP;
                                p->from.type = D_REG;
-                               p->from.offset = 2;
+                               p->from.reg = 2;
                                p->reg = 3;
 
                                p = appendp(ctxt, p);