code review 11606043: cmd/gc, cmd/ld: fix build: remove unused var, use corre...

src/cmd/gc/pgen.c

 // Copyright 2011 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
 #include        <u.h>
 #include        <libc.h>
 #include        "gg.h"
 #include        "opt.h"
 #include        "../../pkg/runtime/funcdata.h"
 
 static void allocauto(Prog* p);
 static int pointermap(Sym*, int, Node*);
 static void gcsymbol(Sym*, Node*);
 
 void
 compile(Node *fn)
 {
         Plist *pl;
         Node nod1, *n, *gcnod;
-        Prog *pfuncdata, *ptxt, *p, *p1;
+        Prog *ptxt, *p, *p1;
         int32 lno;
         Type *t;
         Iter save;
         vlong oldstksize;
         NodeList *l;
         Sym *gcsym;
         static int ngcsym;
 
         if(newproc == N) {
                 newproc = sysfunc("newproc");
@@ skipping 61 matching lines @@
         afunclit(&ptxt->from, curfn->nname);
 
         ginit();
 
         snprint(namebuf, sizeof namebuf, "gc·%d", ngcsym++);
         gcsym = lookup(namebuf);
         gcnod = newname(gcsym);
         gcnod->class = PEXTERN;
 
         nodconst(&nod1, types[TINT32], FUNCDATA_GC);
-        pfuncdata = gins(AFUNCDATA, &nod1, gcnod);
+        gins(AFUNCDATA, &nod1, gcnod);
 
         for(t=curfn->paramfld; t; t=t->down)
                 gtrack(tracksym(t->type));
 
         for(l=fn->dcl; l; l=l->next) {
                 n = l->n;
                 if(n->op != ONAME) // might be OTYPE or OLITERAL
                         continue;
                 switch(n->class) {
                 case PAUTO:
@@ skipping 294 matching lines @@
         fixautoused(ptxt);
 
         // The debug information needs accurate offsets on the symbols.
         for(ll = curfn->dcl ;ll != nil; ll=ll->next) {
                 if (ll->n->class != PAUTO || ll->n->op != ONAME)
                         continue;
                 ll->n->xoffset += ll->n->stkdelta;
                 ll->n->stkdelta = 0;
         }
 }