Increase code space allowance for first page size.

test/cctest/test-spaces.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 421 matching lines @@
 
 
 TEST(SizeOfFirstPageIsLargeEnough) {
   if (i::FLAG_always_opt) return;
   // Bootstrapping without a snapshot causes more allocations.
   CcTest::InitializeVM();
   Isolate* isolate = CcTest::i_isolate();
   if (!isolate->snapshot_available()) return;
   if (Snapshot::EmbedsScript(isolate)) return;
 
+  // If this test fails due to enabling experimental natives that are not part
+  // of the snapshot, we may need to adjust CalculateFirstPageSizes.
+
   // Freshly initialized VM gets by with one page per space.
   for (int i = FIRST_PAGED_SPACE; i <= LAST_PAGED_SPACE; i++) {
     // Debug code can be very large, so skip CODE_SPACE if we are generating it.
     if (i == CODE_SPACE && i::FLAG_debug_code) continue;
     CHECK_EQ(1, isolate->heap()->paged_space(i)->CountTotalPages());
   }
 
   // Executing the empty script gets by with one page per space.
   HandleScope scope(isolate);
   CompileRun("/*empty*/");
@@ skipping 42 matching lines @@
 
       // Turn the allocation into a proper object so isolate teardown won't
       // crash.
       HeapObject* free_space = NULL;
       CHECK(allocation.To(&free_space));
       new_space->heap()->CreateFillerObjectAt(free_space->address(), 80);
     }
   }
   isolate->Dispose();
 }