Condense flag definitions a bit.

src/flag-definitions.h

 // Copyright 2012 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 184 matching lines @@
 DEFINE_implication(harmony, harmony_numeric_literals)
 DEFINE_implication(harmony, harmony_strings)
 DEFINE_implication(harmony, harmony_arrays)
 DEFINE_implication(harmony, harmony_maths)
 DEFINE_implication(harmony_modules, harmony_scoping)
 DEFINE_implication(harmony_observation, harmony_collections)
 
 // Flags for experimental implementation features.
 DEFINE_bool(packed_arrays, true, "optimizes arrays that have no holes")
 DEFINE_bool(smi_only_arrays, true, "tracks arrays with only smi values")
-DEFINE_bool(clever_optimizations,
-            true,
+DEFINE_bool(clever_optimizations, true,
             "Optimize object size, Array shift, DOM strings and string +")
 DEFINE_bool(pretenuring, true, "allocate objects in old space")
 // TODO(hpayer): We will remove this flag as soon as we have pretenuring
 // support for specific allocation sites.
 DEFINE_bool(pretenuring_call_new, false, "pretenure call new")
 DEFINE_bool(allocation_site_pretenuring, false,
             "pretenure with allocation sites")
 DEFINE_bool(track_fields, true, "track fields with only smi values")
 DEFINE_bool(track_double_fields, true, "track fields with double values")
 DEFINE_bool(track_heap_object_fields, true, "track fields with heap values")
@@ skipping 23 matching lines @@
 DEFINE_bool(use_allocation_folding, true, "use allocation folding")
 DEFINE_int(max_inlining_levels, 5, "maximum number of inlining levels")
 DEFINE_int(max_inlined_source_size, 600,
            "maximum source size in bytes considered for a single inlining")
 DEFINE_int(max_inlined_nodes, 196,
            "maximum number of AST nodes considered for a single inlining")
 DEFINE_int(max_inlined_nodes_cumulative, 400,
            "maximum cumulative number of AST nodes considered for inlining")
 DEFINE_bool(loop_invariant_code_motion, true, "loop invariant code motion")
 DEFINE_bool(fast_math, true, "faster (but maybe less accurate) math functions")
-DEFINE_bool(collect_megamorphic_maps_from_stub_cache,
-            true,
+DEFINE_bool(collect_megamorphic_maps_from_stub_cache, true,
             "crankshaft harvests type feedback from stub cache")
 DEFINE_bool(hydrogen_stats, false, "print statistics for hydrogen")
 DEFINE_bool(trace_check_elimination, false, "trace check elimination phase")
 DEFINE_bool(trace_hydrogen, false, "trace generated hydrogen to file")
 DEFINE_string(trace_hydrogen_filter, "*", "hydrogen tracing filter")
 DEFINE_bool(trace_hydrogen_stubs, false, "trace generated hydrogen for stubs")
 DEFINE_string(trace_hydrogen_file, NULL, "trace hydrogen to given file name")
 DEFINE_string(trace_phase, "HLZ", "trace generated IR for specified phases")
 DEFINE_bool(trace_inlining, false, "trace inlining decisions")
 DEFINE_bool(trace_load_elimination, false, "trace load elimination")
 DEFINE_bool(trace_alloc, false, "trace register allocator")
 DEFINE_bool(trace_all_uses, false, "trace all use positions")
 DEFINE_bool(trace_range, false, "trace range analysis")
 DEFINE_bool(trace_gvn, false, "trace global value numbering")
 DEFINE_bool(trace_representation, false, "trace representation types")
 DEFINE_bool(trace_escape_analysis, false, "trace hydrogen escape analysis")
 DEFINE_bool(trace_allocation_folding, false, "trace allocation folding")
 DEFINE_bool(trace_track_allocation_sites, false,
             "trace the tracking of allocation sites")
 DEFINE_bool(trace_migration, false, "trace object migration")
 DEFINE_bool(trace_generalization, false, "trace map generalization")
 DEFINE_bool(stress_pointer_maps, false, "pointer map for every instruction")
 DEFINE_bool(stress_environments, false, "environment for every instruction")
-DEFINE_int(deopt_every_n_times,
-           0,
+DEFINE_int(deopt_every_n_times, 0,
            "deoptimize every n times a deopt point is passed")
-DEFINE_int(deopt_every_n_garbage_collections,
-           0,
+DEFINE_int(deopt_every_n_garbage_collections, 0,
            "deoptimize every n garbage collections")
 DEFINE_bool(print_deopt_stress, false, "print number of possible deopt points")
 DEFINE_bool(trap_on_deopt, false, "put a break point before deoptimizing")
 DEFINE_bool(trap_on_stub_deopt, false,
             "put a break point before deoptimizing a stub")
 DEFINE_bool(deoptimize_uncommon_cases, true, "deoptimize uncommon cases")
 DEFINE_bool(polymorphic_inlining, true, "polymorphic inlining")
 DEFINE_bool(use_osr, true, "use on-stack replacement")
 DEFINE_bool(array_bounds_checks_elimination, true,
             "perform array bounds checks elimination")
@@ skipping 111 matching lines @@
             "enable unaligned accesses for ARMv7 (ARM only)")
 DEFINE_bool(enable_32dregs, ENABLE_32DREGS_DEFAULT,
             "enable use of d16-d31 registers on ARM - this requires VFP3")
 DEFINE_bool(enable_vldr_imm, false,
             "enable use of constant pools for double immediate (ARM only)")
 
 // bootstrapper.cc
 DEFINE_string(expose_natives_as, NULL, "expose natives in global object")
 DEFINE_string(expose_debug_as, NULL, "expose debug in global object")
 DEFINE_bool(expose_gc, false, "expose gc extension")
-DEFINE_string(expose_gc_as,
-              NULL,
+DEFINE_string(expose_gc_as, NULL,
               "expose gc extension under the specified name")
 DEFINE_implication(expose_gc_as, expose_gc)
 DEFINE_bool(expose_externalize_string, false,
             "expose externalize string extension")
 DEFINE_int(stack_trace_limit, 10, "number of stack frames to capture")
 DEFINE_bool(builtins_in_stack_traces, false,
             "show built-in functions in stack traces")
 DEFINE_bool(disable_native_files, false, "disable builtin natives files")
 
 // builtins-ia32.cc
 DEFINE_bool(inline_new, true, "use fast inline allocation")
 
 // checks.cc
 DEFINE_bool(stack_trace_on_abort, true,
             "print a stack trace if an assertion failure occurs")
 
 // codegen-ia32.cc / codegen-arm.cc
 DEFINE_bool(trace_codegen, false,
             "print name of functions for which code is generated")
 DEFINE_bool(trace, false, "trace function calls")
-DEFINE_bool(mask_constants_with_cookie,
-            true,
+DEFINE_bool(mask_constants_with_cookie, true,
             "use random jit cookie to mask large constants")
 
 // codegen.cc
 DEFINE_bool(lazy, true, "use lazy compilation")
 DEFINE_bool(trace_opt, false, "trace lazy optimization")
 DEFINE_bool(trace_opt_stats, false, "trace lazy optimization statistics")
 DEFINE_bool(opt, true, "use adaptive optimizations")
 DEFINE_bool(always_opt, false, "always try to optimize functions")
 DEFINE_bool(always_osr, false, "always try to OSR functions")
 DEFINE_bool(prepare_always_opt, false, "prepare for turning on always opt")
@@ skipping 149 matching lines @@
 DEFINE_int(sim_stack_alignment, 8,
            "Stack alingment in bytes in simulator (4 or 8, 8 is default)")
 
 // isolate.cc
 DEFINE_bool(abort_on_uncaught_exception, false,
             "abort program (dump core) when an uncaught exception is thrown")
 DEFINE_bool(trace_exception, false,
             "print stack trace when throwing exceptions")
 DEFINE_bool(preallocate_message_memory, false,
             "preallocate some memory to build stack traces.")
-DEFINE_bool(randomize_hashes,
-            true,
+DEFINE_bool(randomize_hashes, true,
             "randomize hashes to avoid predictable hash collisions "
             "(with snapshots this option cannot override the baked-in seed)")
-DEFINE_int(hash_seed,
-           0,
+DEFINE_int(hash_seed, 0,
            "Fixed seed to use to hash property keys (0 means random)"
            "(with snapshots this option cannot override the baked-in seed)")
 
 // snapshot-common.cc
-DEFINE_bool(profile_deserialization,
-            false,
+DEFINE_bool(profile_deserialization, false,
             "Print the time it takes to deserialize the snapshot.")
 
 // v8.cc
 DEFINE_bool(preemption, false,
             "activate a 100ms timer that switches between V8 threads")
 
 // Regexp
 DEFINE_bool(regexp_optimization, true, "generate optimized regexp code")
 
 // Testing flags test/cctest/test-{flags,api,serialization}.cc
 DEFINE_bool(testing_bool_flag, true, "testing_bool_flag")
 DEFINE_maybe_bool(testing_maybe_bool_flag, "testing_maybe_bool_flag")
 DEFINE_int(testing_int_flag, 13, "testing_int_flag")
 DEFINE_float(testing_float_flag, 2.5, "float-flag")
 DEFINE_string(testing_string_flag, "Hello, world!", "string-flag")
 DEFINE_int(testing_prng_seed, 42, "Seed used for threading test randomness")
 #ifdef _WIN32
 DEFINE_string(testing_serialization_file, "C:\\Windows\\Temp\\serdes",
               "file in which to testing_serialize heap")
 #else
 DEFINE_string(testing_serialization_file, "/tmp/serdes",
               "file in which to serialize heap")
 #endif
 
 // mksnapshot.cc
 DEFINE_string(extra_code, NULL, "A filename with extra code to be included in"
                   " the snapshot (mksnapshot only)")
 
 // code-stubs-hydrogen.cc
-DEFINE_bool(profile_hydrogen_code_stub_compilation,
-            false,
+DEFINE_bool(profile_hydrogen_code_stub_compilation, false,
             "Print the time it takes to lazily compile hydrogen code stubs.")
 
 //
 // Dev shell flags
 //
 
 DEFINE_bool(help, false, "Print usage message, including flags, on console")
 DEFINE_bool(dump_counters, false, "Dump counters on exit")
 
 #ifdef ENABLE_DEBUGGER_SUPPORT
@@ skipping 80 matching lines @@
 
 // ic.cc
 DEFINE_bool(trace_ic, false, "trace inline cache state transitions")
 
 // interface.cc
 DEFINE_bool(print_interfaces, false, "print interfaces")
 DEFINE_bool(print_interface_details, false, "print interface inference details")
 DEFINE_int(print_interface_depth, 5, "depth for printing interfaces")
 
 // objects.cc
-DEFINE_bool(trace_normalization,
-            false,
+DEFINE_bool(trace_normalization, false,
             "prints when objects are turned into dictionaries.")
 
 // runtime.cc
 DEFINE_bool(trace_lazy, false, "trace lazy compilation")
 
 // spaces.cc
 DEFINE_bool(collect_heap_spill_statistics, false,
             "report heap spill statistics along with heap_stats "
             "(requires heap_stats)")
 
 DEFINE_bool(trace_isolates, false, "trace isolate state changes")
 
 // Regexp
-DEFINE_bool(regexp_possessive_quantifier,
-            false,
+DEFINE_bool(regexp_possessive_quantifier, false,
             "enable possessive quantifier syntax for testing")
 DEFINE_bool(trace_regexp_bytecodes, false, "trace regexp bytecode execution")
-DEFINE_bool(trace_regexp_assembler,
-            false,
+DEFINE_bool(trace_regexp_assembler, false,
             "trace regexp macro assembler calls.")
 
 //
 // Logging and profiling flags
 //
 #undef FLAG
 #define FLAG FLAG_FULL
 
 // log.cc
 DEFINE_bool(log, false,
@@ skipping 36 matching lines @@
 #endif
 
 // elements.cc
 DEFINE_bool(trace_elements_transitions, false, "trace elements transitions")
 
 DEFINE_bool(trace_creation_allocation_sites, false,
             "trace the creation of allocation sites")
 
 // code-stubs.cc
 DEFINE_bool(print_code_stubs, false, "print code stubs")
-DEFINE_bool(test_secondary_stub_cache,
-            false,
+DEFINE_bool(test_secondary_stub_cache, false,
             "test secondary stub cache by disabling the primary one")
 
-DEFINE_bool(test_primary_stub_cache,
-            false,
+DEFINE_bool(test_primary_stub_cache, false,
             "test primary stub cache by disabling the secondary one")
 
 
 // codegen-ia32.cc / codegen-arm.cc
 DEFINE_bool(print_code, false, "print generated code")
 DEFINE_bool(print_opt_code, false, "print optimized code")
 DEFINE_bool(print_unopt_code, false, "print unoptimized code before "
             "printing optimized code based on it")
 DEFINE_bool(print_code_verbose, false, "print more information for code")
 DEFINE_bool(print_builtin_code, false, "print generated code for builtins")
-DEFINE_bool(emit_opt_code_positions,
-            false, "annotate optimize code with source code positions")
+DEFINE_bool(emit_opt_code_positions, false,
+            "annotate optimize code with source code positions")
 
 #ifdef ENABLE_DISASSEMBLER
 DEFINE_bool(sodium, false, "print generated code output suitable for use with "
             "the Sodium code viewer")
 
 DEFINE_implication(sodium, print_code_stubs)
 DEFINE_implication(sodium, print_code)
 DEFINE_implication(sodium, print_opt_code)
 DEFINE_implication(sodium, emit_opt_code_positions)
 DEFINE_implication(sodium, code_comments)
@@ skipping 40 matching lines @@
 #undef DEFINE_ALIAS_float
 #undef DEFINE_ALIAS_args
 
 #undef FLAG_MODE_DECLARE
 #undef FLAG_MODE_DEFINE
 #undef FLAG_MODE_DEFINE_DEFAULTS
 #undef FLAG_MODE_META
 #undef FLAG_MODE_DEFINE_IMPLICATIONS
 
 #undef COMMA