5c: attempt to fix build by silencing warnings about unused variables.

The story is more complicated; this is just a bandaid.

R=golang-dev, adg
CC=golang-dev
https://golang.org/cl/4755047

diff --git a/src/cmd/5c/reg.c b/src/cmd/5c/reg.c
index 847b2b55012d10eff7edbebb249efff8ce33f97b..50b814598d63734a103a66987678c56e86466d13 100644 (file)
--- a/src/cmd/5c/reg.c
+++ b/src/cmd/5c/reg.c
@@ -66,6 +66,11 @@ rcmp(const void *a1, const void *a2)
 void
 regopt(Prog *p)
 {
+       // TODO(kaib): optimizer disabled because it smashes R8 when running out of registers
+       // the disable is unconventionally here because the call is in common code shared by 5c/6c/8c
+       return;
+
+#ifdef NOTDEF
        Reg *r, *r1, *r2;
        Prog *p1;
        int i, z;
@@ -79,11 +84,6 @@ regopt(Prog *p)
                Reg*    p;
        } log5[6], *lp;
 
-       // TODO(kaib): optimizer disabled because it smashes R8 when running out of registers
-       // the disable is unconventionally here because the call is in common code shared by 5c/6c/8c
-       return;
-
-#ifdef NOTDEF
        firstr = R;
        lastr = R;
        nvar = 0;