[builtins] Migrate Number constructor similar to String constructor.

src/mips64/macro-assembler-mips64.h

Index: src/mips64/macro-assembler-mips64.h
diff --git a/src/mips64/macro-assembler-mips64.h b/src/mips64/macro-assembler-mips64.h
index 6ecd2d31e784409761d7c1470cc6822942ff4863..31ed8a32e118e0dc1c2466d49267eade9ace75a9 100644
--- a/src/mips64/macro-assembler-mips64.h
+++ b/src/mips64/macro-assembler-mips64.h
@@ -595,6 +595,12 @@ class MacroAssembler: public Assembler {
                                    Register scratch2,
                                    Label* gc_required);
 
+  // Allocate and initialize a JSValue wrapper with the specified {constructor}
+  // and {value}.
+  void AllocateJSValue(Register result, Register constructor, Register value,
+                       Register scratch1, Register scratch2,
+                       Label* gc_required);
+
   // ---------------------------------------------------------------------------
   // Instruction macros.