X87: [turbofan] Run everything after representation selection concurrently.

src/x87/macro-assembler-x87.h

Index: src/x87/macro-assembler-x87.h
diff --git a/src/x87/macro-assembler-x87.h b/src/x87/macro-assembler-x87.h
index b130df1beb657639b2aa421f9b77fe0580141f88..2c180ff77ac050fac4762e1d55858ff23b890986 100644
--- a/src/x87/macro-assembler-x87.h
+++ b/src/x87/macro-assembler-x87.h
@@ -19,6 +19,7 @@ const Register kReturnRegister1 = {Register::kCode_edx};
 const Register kReturnRegister2 = {Register::kCode_edi};
 const Register kJSFunctionRegister = {Register::kCode_edi};
 const Register kContextRegister = {Register::kCode_esi};
+const Register kAllocateSizeRegister = {Register::kCode_edx};
 const Register kInterpreterAccumulatorRegister = {Register::kCode_eax};
 const Register kInterpreterBytecodeOffsetRegister = {Register::kCode_ecx};
 const Register kInterpreterBytecodeArrayRegister = {Register::kCode_edi};