Fixes compilation error with gcc-4.9

runtime/vm/parser_test.cc

 // Copyright (c) 2011, 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/ast_printer.h"
 #include "vm/class_finalizer.h"
 #include "vm/debugger.h"
 #include "vm/longjump.h"
 #include "vm/object.h"
 #include "vm/parser.h"
 #include "vm/symbols.h"
 #include "vm/unit_test.h"
 
 namespace dart {
 
 DECLARE_FLAG(bool, show_invisible_frames);
 
 
 void DumpFunction(const Library& lib, const char* cname, const char* fname) {
   const String& classname = String::Handle(Symbols::New(cname));
-  Class& cls = Class::Handle(lib.LookupClass(classname));
-  EXPECT(!cls.IsNull());
-
   String& funcname = String::Handle(String::New(fname));
-  Function& function = Function::ZoneHandle(cls.LookupStaticFunction(funcname));
-  EXPECT(!function.IsNull());
 
   bool retval;
   EXPECT(Isolate::Current() != NULL);
   LongJumpScope jump;
   if (setjmp(*jump.Set()) == 0) {
+    Class& cls = Class::Handle(lib.LookupClass(classname));
+    EXPECT(!cls.IsNull());
+    Function& function =
+      Function::ZoneHandle(cls.LookupStaticFunction(funcname));
+    EXPECT(!function.IsNull());
     ParsedFunction* parsed_function =
         new ParsedFunction(Isolate::Current(), function);
     Parser::ParseFunction(parsed_function);
     EXPECT(parsed_function->node_sequence() != NULL);
     printf("Class %s function %s:\n", cname, fname);
     AstPrinter::PrintFunctionNodes(*parsed_function);
     retval = true;
   } else {
     retval = false;
   }
@@ skipping 492 matching lines @@
       "::.a\n"
       " 0 ContextLevel  level=1   scope=1   begin=1   end=76\n"
       " 1 SavedEntryCtx scope=0   begin=0   end=0"
       "   name=:saved_entry_context_var\n"
       " 2 ContextVar    level=1   begin=6   end=76  name=x\n"
       " 3 StackVar      scope=2   begin=11  end=76  name=b\n",
       CaptureVarsAtLine(lib, "a", 10));
 }
 
 }  // namespace dart