code review 186263: eliminate the package global name space assumption in o...

src/cmd/6g/ggen.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.
 
 #undef  EXTERN
 #define EXTERN
 #include "gg.h"
 #include "opt.h"
 
 void
@@ skipping 1120 matching lines @@
 {
         Node nodes[5];
         Node n1, n2, nres, nnode0, ntemp;
         vlong v;
         int i, narg, bad;
 
         if(n->op != OCALLFUNC)
                 goto no;
         if(!n->left->addable)
                 goto no;
-        if(strcmp(n->left->sym->package, "runtime") != 0)
+        if(n->left->sym->pkg != runtimepkg)
                 goto no;
         if(strcmp(n->left->sym->name, "slicearray") == 0)
                 goto slicearray;
         if(strcmp(n->left->sym->name, "sliceslice") == 0) {
                 narg = 4;
                 goto sliceslice;
         }
         if(strcmp(n->left->sym->name, "sliceslice1") == 0) {
                 narg = 3;
                 goto sliceslice;
@@ skipping 209 matching lines @@
         }
 
         if(!sleasy(res)) {
                 cgen(&nres, res);
         }
         return 1;
 
 no:
         return 0;
 }