code review 4964046: src/cmd/gc/*: Adjustments for compilation using Plan 9 ...

src/cmd/gc/walk.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"
 
 static  Node*   walkprint(Node*, NodeList**, int);
 static  Node*   conv(Node*, Type*);
@@ skipping 366 matching lines @@
 
         if(n->typecheck != 1) {
                 dump("missed typecheck", n);
                 fatal("missed typecheck");
         }
 
         switch(n->op) {
         default:
                 dump("walk", n);
                 fatal("walkexpr: switch 1 unknown op %N", n);
-                goto ret;
+                break;
 
         case OTYPE:
         case ONONAME:
         case OINDREG:
         case OEMPTY:
                 goto ret;
 
         case ONOT:
         case OMINUS:
         case OPLUS:
@@ skipping 764 matching lines @@
                 goto ret;
 
         case OSEND:
                 n = mkcall1(chanfn("chansend1", 2, n->left->type), T, init, typename(n->left->type), n->left, n->right);
                 goto ret;
 
         case OCLOSURE:
                 n = walkclosure(n, init);
                 goto ret;
         }
+        fatal("missing switch %O", n->op);
 
 ret:
         if(debug['w'] && n != N)
                 dump("walk", n);
 
         ullmancalc(n);
         lineno = lno;
         *np = n;
 }
 
@@ skipping 976 matching lines @@
                 l = list(l, nod(OAS, nx, a->n));        // s[n] = arg
                 if (a->next != nil)
                         l = list(l, nod(OAS, nn, nod(OADD, nn, nodintconst(1))));  // n = n + 1
         }
 
         typechecklist(l, Etop);
         walkstmtlist(l);
         *init = concat(*init, l);
         return ns;
 }