[arm][arm64] Minor improvements to MathMaxMin.

src/arm64/macro-assembler-arm64.h

Index: src/arm64/macro-assembler-arm64.h
diff --git a/src/arm64/macro-assembler-arm64.h b/src/arm64/macro-assembler-arm64.h
index 517419606463631180c8b0b6506b139277e72b94..fdb0490cdecdcc8a2060c2bb761c8a8ca26d5f4a 100644
--- a/src/arm64/macro-assembler-arm64.h
+++ b/src/arm64/macro-assembler-arm64.h
@@ -982,6 +982,9 @@ class MacroAssembler : public Assembler {
   // --debug-code.
   void AssertPositiveOrZero(Register value);
 
+  // Abort execution if argument is not a number (heap number or smi).
+  void AssertNumber(Register value);
+
   void JumpIfHeapNumber(Register object, Label* on_heap_number,
                         SmiCheckType smi_check_type = DONT_DO_SMI_CHECK);
   void JumpIfNotHeapNumber(Register object, Label* on_not_heap_number,