[turbofan] Delay initialization in escape analysis

src/flag-definitions.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.
 
 // This file defines all of the flags.  It is separated into different section,
 // for Debug, Release, Logging and Profiling, etc.  To add a new flag, find the
 // correct section, and use one of the DEFINE_ macros, without a trailing ';'.
 //
 // This include does not have a guard, because it is a template-style include,
 // which can be included multiple times in different modes.  It expects to have
@@ skipping 452 matching lines @@
 DEFINE_BOOL(turbo_jt, true, "enable jump threading in TurboFan")
 DEFINE_BOOL(turbo_osr, true, "enable OSR in TurboFan")
 DEFINE_BOOL(turbo_try_finally, false, "enable try-finally support in TurboFan")
 DEFINE_BOOL(turbo_stress_loop_peeling, false,
             "stress loop peeling optimization")
 DEFINE_BOOL(turbo_cf_optimization, true, "optimize control flow in TurboFan")
 DEFINE_BOOL(turbo_frame_elision, true, "elide frames in TurboFan")
 DEFINE_BOOL(turbo_cache_shared_code, true, "cache context-independent code")
 DEFINE_BOOL(turbo_preserve_shared_code, false, "keep context-independent code")
 DEFINE_BOOL(turbo_escape, false, "enable escape analysis")
-DEFINE_BOOL(trace_turbo_escape, false, "enable tracing in escape analysis")
 DEFINE_BOOL(turbo_instruction_scheduling, false,
             "enable instruction scheduling in TurboFan")
 
 // Flags for native WebAssembly.
 DEFINE_BOOL(expose_wasm, false, "expose WASM interface to JavaScript")
 DEFINE_BOOL(trace_wasm_decoder, false, "trace decoding of wasm code")
 DEFINE_BOOL(trace_wasm_decode_time, false, "trace decoding time of wasm code")
 DEFINE_BOOL(trace_wasm_compiler, false, "trace compiling of wasm code")
 DEFINE_BOOL(trace_wasm_ast, false, "dump AST after WASM decode")
 DEFINE_BOOL(wasm_break_on_decoder_error, false,
@@ skipping 467 matching lines @@
 DEFINE_BOOL(heap_stats, false, "report heap statistics before and after GC")
 DEFINE_BOOL(code_stats, false, "report code statistics after GC")
 DEFINE_BOOL(print_handles, false, "report handles after GC")
 DEFINE_BOOL(check_handle_count, false,
             "Check that there are not too many handles at GC")
 DEFINE_BOOL(print_global_handles, false, "report global handles after GC")
 
 // TurboFan debug-only flags.
 DEFINE_BOOL(print_turbo_replay, false,
             "print C++ code to recreate TurboFan graphs")
+DEFINE_BOOL(trace_turbo_escape, false, "enable tracing in escape analysis")
 
 // objects.cc
 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,
@@ skipping 182 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