No need to collect literal counts.

src/objects-inl.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 //
 // Review notes:
 //
 // - The use of macros in these inline functions may seem superfluous
 // but it is absolutely needed to make sure gcc generates optimal
 // code. gcc is not happy when attempting to inline too deep.
 //
@@ skipping 5854 matching lines @@
                kIsNamedExpressionBit)
 BOOL_ACCESSORS(SharedFunctionInfo, start_position_and_type, is_toplevel,
                kIsTopLevelBit)
 
 #if V8_HOST_ARCH_32_BIT
 SMI_ACCESSORS(SharedFunctionInfo, length, kLengthOffset)
 SMI_ACCESSORS(SharedFunctionInfo, internal_formal_parameter_count,
               kFormalParameterCountOffset)
 SMI_ACCESSORS(SharedFunctionInfo, expected_nof_properties,
               kExpectedNofPropertiesOffset)
-SMI_ACCESSORS(SharedFunctionInfo, num_literals, kNumLiteralsOffset)
 SMI_ACCESSORS(SharedFunctionInfo, start_position_and_type,
               kStartPositionAndTypeOffset)
 SMI_ACCESSORS(SharedFunctionInfo, end_position, kEndPositionOffset)
 SMI_ACCESSORS(SharedFunctionInfo, function_token_position,
               kFunctionTokenPositionOffset)
 SMI_ACCESSORS(SharedFunctionInfo, compiler_hints,
               kCompilerHintsOffset)
 SMI_ACCESSORS(SharedFunctionInfo, opt_count_and_bailout_reason,
               kOptCountAndBailoutReasonOffset)
 SMI_ACCESSORS(SharedFunctionInfo, counters, kCountersOffset)
@@ skipping 29 matching lines @@
   INT_ACCESSORS(holder, name, offset)
 
 
 PSEUDO_SMI_ACCESSORS_LO(SharedFunctionInfo, length, kLengthOffset)
 PSEUDO_SMI_ACCESSORS_HI(SharedFunctionInfo, internal_formal_parameter_count,
                         kFormalParameterCountOffset)
 
 PSEUDO_SMI_ACCESSORS_LO(SharedFunctionInfo,
                         expected_nof_properties,
                         kExpectedNofPropertiesOffset)
-PSEUDO_SMI_ACCESSORS_HI(SharedFunctionInfo, num_literals, kNumLiteralsOffset)
 
 PSEUDO_SMI_ACCESSORS_LO(SharedFunctionInfo, end_position, kEndPositionOffset)
 PSEUDO_SMI_ACCESSORS_HI(SharedFunctionInfo,
                         start_position_and_type,
                         kStartPositionAndTypeOffset)
 
 PSEUDO_SMI_ACCESSORS_LO(SharedFunctionInfo,
                         function_token_position,
                         kFunctionTokenPositionOffset)
 PSEUDO_SMI_ACCESSORS_HI(SharedFunctionInfo,
@@ skipping 2319 matching lines @@
 #undef WRITE_INT64_FIELD
 #undef READ_BYTE_FIELD
 #undef WRITE_BYTE_FIELD
 #undef NOBARRIER_READ_BYTE_FIELD
 #undef NOBARRIER_WRITE_BYTE_FIELD
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_OBJECTS_INL_H_