[turbofan] Run everything after representation selection concurrently.

src/builtins.h

Index: src/builtins.h
diff --git a/src/builtins.h b/src/builtins.h
index bb356e4b5e6a062de72dad9f030e0c766add4286..cbfbcb089fd5b9d171f2b458b62ee3c02fdaea83 100644
--- a/src/builtins.h
+++ b/src/builtins.h
@@ -172,6 +172,9 @@ inline bool operator&(BuiltinExtraArguments lhs, BuiltinExtraArguments rhs) {
 
 // Define list of builtins implemented in assembly.
 #define BUILTIN_LIST_A(V)                                                      \
+  V(AllocateInNewSpace, BUILTIN, UNINITIALIZED, kNoExtraICState)               \
+  V(AllocateInOldSpace, BUILTIN, UNINITIALIZED, kNoExtraICState)               \
+                                                                               \
   V(ArgumentsAdaptorTrampoline, BUILTIN, UNINITIALIZED, kNoExtraICState)       \
                                                                                \
   V(ConstructedNonConstructable, BUILTIN, UNINITIALIZED, kNoExtraICState)      \
@@ -439,6 +442,8 @@ class Builtins {
   static void Generate_Adaptor(MacroAssembler* masm,
                                CFunctionId id,
                                BuiltinExtraArguments extra_args);
+  static void Generate_AllocateInNewSpace(MacroAssembler* masm);
+  static void Generate_AllocateInOldSpace(MacroAssembler* masm);
   static void Generate_ConstructedNonConstructable(MacroAssembler* masm);
   static void Generate_CompileLazy(MacroAssembler* masm);
   static void Generate_CompileBaseline(MacroAssembler* masm);