[compiler] Move JSFunction post-instantiation tasks.

src/compiler.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.
 
 #ifndef V8_COMPILER_H_
 #define V8_COMPILER_H_
 
 #include "src/allocation.h"
 #include "src/ast/ast.h"
 #include "src/bailout-reason.h"
@@ skipping 580 matching lines @@
   // general contract is that failures will be reported by returning {false},
   // whereas successful compilation ensures the {is_compiled} predicate on the
   // given function holds.
 
   static bool Compile(Handle<JSFunction> function, ClearExceptionFlag flag);
   static bool CompileOptimized(Handle<JSFunction> function, ConcurrencyMode);
   static bool CompileDebugCode(Handle<JSFunction> function);
   static bool CompileDebugCode(Handle<SharedFunctionInfo> shared);
   static void CompileForLiveEdit(Handle<Script> script);
 
+  // Give the compiler a chance to perform low-latency initialization tasks of
+  // the given {function} on its instantiation. Note that only the runtime will
+  // offer this chance, optimized closure instantiation will not call this.
+  static void PostInstantiation(Handle<JSFunction> function, PretenureFlag);
+
   // Parser::Parse, then Compiler::Analyze.
   static bool ParseAndAnalyze(ParseInfo* info);
   // Rewrite, analyze scopes, and renumber.
   static bool Analyze(ParseInfo* info);
   // Adds deoptimization support, requires ParseAndAnalyze.
   static bool EnsureDeoptimizationSupport(CompilationInfo* info);
 
   // ===========================================================================
   // The following family of methods instantiates new functions for script or
   // function literals. The decision whether those functions have been compiled
@@ skipping 49 matching lines @@
   // Generate and return code from previously queued optimization job.
   // On failure, return the empty handle.
   MUST_USE_RESULT static MaybeHandle<Code> GetConcurrentlyOptimizedCode(
       OptimizedCompileJob* job);
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_H_