[debugger] flood function for stepping before calling it.

src/ic/mips/handler-compiler-mips.cc

Index: src/ic/mips/handler-compiler-mips.cc
diff --git a/src/ic/mips/handler-compiler-mips.cc b/src/ic/mips/handler-compiler-mips.cc
index c80581244cafd238f56e6e5bacdcad9f7c0f1f99..ee8a906ff7956c9048fb003b7a8e3dfbaf2963ec 100644
--- a/src/ic/mips/handler-compiler-mips.cc
+++ b/src/ic/mips/handler-compiler-mips.cc
@@ -40,7 +40,8 @@ void NamedLoadHandlerCompiler::GenerateLoadViaGetter(
       ParameterCount actual(0);
       ParameterCount expected(expected_arguments);
       __ LoadAccessor(a1, holder, accessor_index, ACCESSOR_GETTER);
-      __ InvokeFunction(a1, expected, actual, CALL_FUNCTION, NullCallWrapper());
+      __ InvokeFunction(a1, expected, actual, CALL_FUNCTION,
+                        CheckDebugStepCallWrapper());
     } else {
       // If we generate a global code snippet for deoptimization only, remember
       // the place to continue after deoptimization.
@@ -81,7 +82,8 @@ void NamedStoreHandlerCompiler::GenerateStoreViaSetter(
       ParameterCount actual(1);
       ParameterCount expected(expected_arguments);
       __ LoadAccessor(a1, holder, accessor_index, ACCESSOR_SETTER);
-      __ InvokeFunction(a1, expected, actual, CALL_FUNCTION, NullCallWrapper());
+      __ InvokeFunction(a1, expected, actual, CALL_FUNCTION,
+                        CheckDebugStepCallWrapper());
     } else {
       // If we generate a global code snippet for deoptimization only, remember
       // the place to continue after deoptimization.