Make debugger step into bound callbacks passed to Array.forEach.

src/macros.py

Index: src/macros.py
diff --git a/src/macros.py b/src/macros.py
index 324702bb3a178c7e14bbae5121e5c98554018ff7..9e809ea86fd866db1592ac5cfb49d00af74fb555 100644
--- a/src/macros.py
+++ b/src/macros.py
@@ -278,5 +278,5 @@ const ITERATOR_KIND_ENTRIES = 3;
 
 # Check whether debug is active.
 const DEBUG_IS_ACTIVE = (%_DebugIsActive() != 0);
-macro DEBUG_IS_STEPPING(function) = (%_DebugIsActive() != 0 && %DebugCallbackSupportsStepping(function));
-macro DEBUG_PREPARE_STEP_IN_IF_STEPPING(function) = if (DEBUG_IS_STEPPING(function)) %DebugPrepareStepInIfStepping(function);
+macro DEBUG_IS_STEPPING() = (%_DebugIsActive() != 0 && %DebugIsStepping());
+macro DEBUG_PREPARE_STEP_IN_IF_STEPPING(function) = if (DEBUG_IS_STEPPING()) %DebugPrepareStepInIfStepping(function);