code review 64170043: cmd/gc: correct liveness for fat variables

src/cmd/gc/dcl.c

 // Copyright 2009 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        "go.h"
 #include        "y.tab.h"
 
 static  void    funcargs(Node*);
@@ skipping 1197 matching lines @@
         if (t->type->broke || t->type->down->broke || t->type->down->down->broke)
                 t->broke = 1;
 
         if(this)
                 t->thistuple = 1;
         t->outtuple = count(out);
         t->intuple = count(in);
         t->outnamed = 0;
         if(t->outtuple > 0 && out->n->left != N && out->n->left->orig != N) {
                 s = out->n->left->orig->sym;
-                if(s != S && s->name[0] != '~' || s->name[1] != 'r') // ~r%d is the name invented for an unnamed result
+                if(s != S && (s->name[0] != '~' || s->name[1] != 'r')) // ~r%d is the name invented for an unnamed result
                         t->outnamed = 1;
         }
 
         return t;
 }
 
 Sym*
 methodsym(Sym *nsym, Type *t0, int iface)
 {
         Sym *s;
@@ skipping 240 matching lines @@
         p = smprint("%s·f", s->name);
         s1 = pkglookup(p, s->pkg);
         free(p);
         if(s1->def == N) {
                 s1->def = newname(s1);
                 s1->def->shortname = newname(s);
                 funcsyms = list(funcsyms, s1->def);
         }
         return s1;
 }