Don't push eax/rax before calling Runtime_Abort

src/x64/macro-assembler-x64.h

Index: src/x64/macro-assembler-x64.h
diff --git a/src/x64/macro-assembler-x64.h b/src/x64/macro-assembler-x64.h
index ae5a95983af36afa8d7f4744452167f8e41f72be..a5a03f6aca2e0555a5b9b4b288a721cd788ab5fe 100644
--- a/src/x64/macro-assembler-x64.h
+++ b/src/x64/macro-assembler-x64.h
@@ -1072,12 +1072,6 @@ class MacroAssembler: public Assembler {
   // Propagate an uncatchable exception out of the current JS stack.
   void ThrowUncatchable(Register value);
 
-  // Throw a message string as an exception.
-  void Throw(BailoutReason reason);
-
-  // Throw a message string as an exception if a condition is not true.
-  void ThrowIf(Condition cc, BailoutReason reason);
-
   // ---------------------------------------------------------------------------
   // Inline caching support