Fix gcc-4.6 warnings.

test/cctest/test-parsing.cc

 // Copyright 2011 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 211 matching lines @@
   CHECK(error_preparse->HasError());
   i::ScriptDataImpl *pre_impl =
       reinterpret_cast<i::ScriptDataImpl*>(error_preparse);
   i::Scanner::Location error_location =
       pre_impl->MessageLocation();
   // Error is at "z" in source, location 10..11.
   CHECK_EQ(10, error_location.beg_pos);
   CHECK_EQ(11, error_location.end_pos);
   // Should not crash.
   const char* message = pre_impl->BuildMessage();
-  i::Vector<const char*> args = pre_impl->BuildArgs();
+  i::Vector<const char*> args(pre_impl->BuildArgs());
   CHECK_GT(strlen(message), 0);
 }
 
 
 TEST(StandAlonePreParser) {
   v8::V8::Initialize();
 
   int marker;
   i::Isolate::Current()->stack_guard()->SetStackLimit(
       reinterpret_cast<uintptr_t>(&marker) - 128 * 1024);
@@ skipping 594 matching lines @@
   int marker;
   i::Isolate::Current()->stack_guard()->SetStackLimit(
       reinterpret_cast<uintptr_t>(&marker) - 128 * 1024);
 
   for (int i = 0; source_data[i].outer_prefix; i++) {
     int kPrefixLen = i::StrLength(source_data[i].outer_prefix);
     int kInnerLen = i::StrLength(source_data[i].inner_source);
     int kSuffixLen = i::StrLength(source_data[i].outer_suffix);
     int kProgramSize = kPrefixLen + kInnerLen + kSuffixLen;
     i::Vector<char> program = i::Vector<char>::New(kProgramSize + 1);
-    int length;
-    length = i::OS::SNPrintF(program, "%s%s%s",
-                             source_data[i].outer_prefix,
-                             source_data[i].inner_source,
-                             source_data[i].outer_suffix);
-    ASSERT(length == kProgramSize);
+    int length = i::OS::SNPrintF(program, "%s%s%s",
+                                 source_data[i].outer_prefix,
+                                 source_data[i].inner_source,
+                                 source_data[i].outer_suffix);
+    CHECK(length == kProgramSize);
 
     // Parse program source.
     i::Handle<i::String> source(
         FACTORY->NewStringFromAscii(i::CStrVector(program.start())));
     i::Handle<i::Script> script = FACTORY->NewScript(source);
     i::Parser parser(script, false, NULL, NULL);
     parser.SetHarmonyScoping(true);
     i::FunctionLiteral* function =
         parser.ParseProgram(source, true, i::kNonStrictMode);
     ASSERT(function != NULL);
 
     // Check scope types and positions.
     i::Scope* scope = function->scope();
     CHECK(scope->is_global_scope());
     CHECK_EQ(scope->start_position(), 0);
     CHECK_EQ(scope->end_position(), kProgramSize);
     CHECK_EQ(scope->inner_scopes()->length(), 1);
 
     i::Scope* inner_scope = scope->inner_scopes()->at(0);
     CHECK_EQ(inner_scope->type(), source_data[i].scope_type);
     CHECK_EQ(inner_scope->start_position(), kPrefixLen);
     // The end position of a token is one position after the last
     // character belonging to that token.
     CHECK_EQ(inner_scope->end_position(), kPrefixLen + kInnerLen);
   }
 }