cmd/5g: remove dead code.

LGTM=bradfitz, dave
R=rsc, bradfitz, dave
CC=golang-codereviews
https://golang.org/cl/115070043

diff --git a/src/cmd/5g/cgen.c b/src/cmd/5g/cgen.c
index 1ddeec051e24ccc56f1baddb91116575ad8ef6ac..a42e67bafbbc98774753d8055ed95d22f6a5ad63 100644 (file)
--- a/src/cmd/5g/cgen.c
+++ b/src/cmd/5g/cgen.c
@@ -1107,11 +1107,10 @@ bgen(Node *n, int true, int likely, Prog *to)
 {
        int et, a;
        Node *nl, *nr, *r;
-       Node n1, n2, n3, n4, tmp;
+       Node n1, n2, n3, tmp;
        NodeList *ll;
        Prog *p1, *p2;
 
-       USED(n4);                       // in unreachable code below
        if(debug['g']) {
                dump("\nbgen", n);
        }