Fix ARMv6 Linux cross-build

runtime/vm/compiler.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/compiler.h"
 
 #include "vm/assembler.h"
 
 #include "vm/ast_printer.h"
 #include "vm/block_scheduler.h"
@@ skipping 456 matching lines @@
       if (parse_class.is_marked_for_parsing()) {
         parse_class.reset_is_marked_for_parsing();
       }
     }
     for (intptr_t i = 0; i < patch_list.length(); i++) {
       const Class& parse_class = patch_list.At(i);
       if (parse_class.is_marked_for_parsing()) {
         parse_class.reset_is_marked_for_parsing();
       }
     }
-    Error& error = Error::Handle(zone.GetZone());
+    Thread* thread = Thread::Current();
+    Error& error = Error::Handle(thread->zone());
     error = thread->sticky_error();
     thread->clear_sticky_error();
     return error.raw();
   }
   UNREACHABLE();
   return Error::null();
 }
 
 
 class CompileParsedFunctionHelper : public ValueObject {
@@ skipping 1823 matching lines @@
 
 
 bool BackgroundCompiler::IsDisabled() {
   UNREACHABLE();
   return true;
 }
 
 #endif  // DART_PRECOMPILED_RUNTIME
 
 }  // namespace dart