Remove outdated profiler flags

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 329 matching lines @@
 DEFINE_bool(concurrent_osr, false,
             "concurrent on-stack replacement")
 DEFINE_implication(concurrent_osr, concurrent_recompilation)
 
 DEFINE_bool(omit_map_checks_for_leaf_maps, true,
             "do not emit check maps for constant values that have a leaf map, "
             "deoptimize the optimized code if the layout of the maps changes.")
 
 DEFINE_bool(new_string_add, true, "enable new string addition")
 
-// Experimental profiler changes.
-DEFINE_bool(experimental_profiler, true, "enable all profiler experiments")
-DEFINE_bool(watch_ic_patching, false, "profiler considers IC stability")
+// Profiler flags.
 DEFINE_int(frame_count, 1, "number of stack frames inspected by the profiler")
-DEFINE_bool(self_optimization, false,
-            "primitive functions trigger their own optimization")
-DEFINE_bool(direct_self_opt, false,
-            "call recompile stub directly when self-optimizing")
-DEFINE_bool(retry_self_opt, false, "re-try self-optimization if it failed")
-DEFINE_bool(interrupt_at_exit, false,
-            "insert an interrupt check at function exit")
-DEFINE_bool(weighted_back_edges, false,
-            "weight back edges by jump distance for interrupt triggering")
            // 0x1700 fits in the immediate field of an ARM instruction.
 DEFINE_int(interrupt_budget, 0x1700,
            "execution budget before interrupt is triggered")
 DEFINE_int(type_info_threshold, 25,
            "percentage of ICs that must have type info to allow optimization")
 DEFINE_int(self_opt_count, 130, "call count before self-optimization")
 
-DEFINE_implication(experimental_profiler, watch_ic_patching)
-DEFINE_implication(experimental_profiler, self_optimization)
-// Not implying direct_self_opt here because it seems to be a bad idea.
-DEFINE_implication(experimental_profiler, retry_self_opt)
-DEFINE_implication(experimental_profiler, interrupt_at_exit)
-DEFINE_implication(experimental_profiler, weighted_back_edges)
-
 DEFINE_bool(trace_opt_verbose, false, "extra verbose compilation tracing")
 DEFINE_implication(trace_opt_verbose, trace_opt)
 
 // assembler-ia32.cc / assembler-arm.cc / assembler-x64.cc
 DEFINE_bool(debug_code, false,
             "generate extra code (assertions) for debugging")
 DEFINE_bool(code_comments, false, "emit comments in code disassembly")
 DEFINE_bool(enable_sse2, true,
             "enable use of SSE2 instructions if available")
 DEFINE_bool(enable_sse3, true,
@@ skipping 511 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