Use default argument count for runtime function calls.

src/ia32/macro-assembler-ia32.cc

Index: src/ia32/macro-assembler-ia32.cc
diff --git a/src/ia32/macro-assembler-ia32.cc b/src/ia32/macro-assembler-ia32.cc
index 40710dc7cb464d44da127a41dde7d3ccc06f62b6..be210aaef1fdd873362c4e8dff9932e98a8017db 100644
--- a/src/ia32/macro-assembler-ia32.cc
+++ b/src/ia32/macro-assembler-ia32.cc
@@ -2044,7 +2044,7 @@ void MacroAssembler::FloodFunctionIfStepping(Register fun, Register new_target,
     }
     Push(fun);
     Push(fun);
-    CallRuntime(Runtime::kDebugPrepareStepInIfStepping, 1);
+    CallRuntime(Runtime::kDebugPrepareStepInIfStepping);
     Pop(fun);
     if (new_target.is_valid()) {
       Pop(new_target);
@@ -2641,9 +2641,9 @@ void MacroAssembler::Abort(BailoutReason reason) {
     // We don't actually want to generate a pile of code for this, so just
     // claim there is a stack frame, without generating one.
     FrameScope scope(this, StackFrame::NONE);
-    CallRuntime(Runtime::kAbort, 1);
+    CallRuntime(Runtime::kAbort);
   } else {
-    CallRuntime(Runtime::kAbort, 1);
+    CallRuntime(Runtime::kAbort);
   }
   // will not return here
   int3();