[debug] implement intuitive semantics for stepping over await call.

src/runtime/runtime.h

Index: src/runtime/runtime.h
diff --git a/src/runtime/runtime.h b/src/runtime/runtime.h
index 90d374f332b64e546aaafe57e1a59a88304d0643..c3502f496697595dd61ca27a90beeab6d57296e2 100644
--- a/src/runtime/runtime.h
+++ b/src/runtime/runtime.h
@@ -136,62 +136,63 @@ namespace internal {
   F(DateCurrentTime, 0, 1)         \
   F(ThrowNotDateError, 0, 1)
 
-#define FOR_EACH_INTRINSIC_DEBUG(F)            \
-  F(HandleDebuggerStatement, 0, 1)             \
-  F(DebugBreak, 1, 1)                          \
-  F(DebugBreakOnBytecode, 1, 1)                \
-  F(SetDebugEventListener, 2, 1)               \
-  F(ScheduleBreak, 0, 1)                       \
-  F(DebugGetInternalProperties, 1, 1)          \
-  F(DebugGetPropertyDetails, 2, 1)             \
-  F(DebugGetProperty, 2, 1)                    \
-  F(DebugPropertyTypeFromDetails, 1, 1)        \
-  F(DebugPropertyAttributesFromDetails, 1, 1)  \
-  F(CheckExecutionState, 1, 1)                 \
-  F(GetFrameCount, 1, 1)                       \
-  F(GetFrameDetails, 2, 1)                     \
-  F(GetScopeCount, 2, 1)                       \
-  F(GetScopeDetails, 4, 1)                     \
-  F(GetAllScopesDetails, 4, 1)                 \
-  F(GetFunctionScopeCount, 1, 1)               \
-  F(GetFunctionScopeDetails, 2, 1)             \
-  F(SetScopeVariableValue, 6, 1)               \
-  F(DebugPrintScopes, 0, 1)                    \
-  F(SetBreakPointsActive, 1, 1)                \
-  F(GetBreakLocations, 2, 1)                   \
-  F(SetFunctionBreakPoint, 3, 1)               \
-  F(SetScriptBreakPoint, 4, 1)                 \
-  F(ClearBreakPoint, 1, 1)                     \
-  F(ChangeBreakOnException, 2, 1)              \
-  F(IsBreakOnException, 1, 1)                  \
-  F(PrepareStep, 2, 1)                         \
-  F(ClearStepping, 0, 1)                       \
-  F(DebugEvaluate, 6, 1)                       \
-  F(DebugEvaluateGlobal, 4, 1)                 \
-  F(DebugGetLoadedScripts, 0, 1)               \
-  F(DebugReferencedBy, 3, 1)                   \
-  F(DebugConstructedBy, 2, 1)                  \
-  F(DebugGetPrototype, 1, 1)                   \
-  F(DebugSetScriptSource, 2, 1)                \
-  F(FunctionGetInferredName, 1, 1)             \
-  F(FunctionGetDebugName, 1, 1)                \
-  F(GetFunctionCodePositionFromSource, 2, 1)   \
-  F(ExecuteInDebugContext, 1, 1)               \
-  F(GetDebugContext, 0, 1)                     \
-  F(CollectGarbage, 1, 1)                      \
-  F(GetHeapUsage, 0, 1)                        \
-  F(GetScript, 1, 1)                           \
-  F(ScriptLineCount, 1, 1)                     \
-  F(ScriptLineStartPosition, 2, 1)             \
-  F(ScriptLineEndPosition, 2, 1)               \
-  F(ScriptLocationFromLine, 4, 1)              \
-  F(ScriptPositionInfo, 3, 1)                  \
-  F(ScriptSourceLine, 2, 1)                    \
-  F(DebugPrepareStepInIfStepping, 1, 1)        \
-  F(DebugPushPromise, 2, 1)                    \
-  F(DebugPopPromise, 0, 1)                     \
-  F(DebugAsyncTaskEvent, 1, 1)                 \
-  F(DebugIsActive, 0, 1)                       \
+#define FOR_EACH_INTRINSIC_DEBUG(F)             \
+  F(HandleDebuggerStatement, 0, 1)              \
+  F(DebugBreak, 1, 1)                           \
+  F(DebugBreakOnBytecode, 1, 1)                 \
+  F(SetDebugEventListener, 2, 1)                \
+  F(ScheduleBreak, 0, 1)                        \
+  F(DebugGetInternalProperties, 1, 1)           \
+  F(DebugGetPropertyDetails, 2, 1)              \
+  F(DebugGetProperty, 2, 1)                     \
+  F(DebugPropertyTypeFromDetails, 1, 1)         \
+  F(DebugPropertyAttributesFromDetails, 1, 1)   \
+  F(CheckExecutionState, 1, 1)                  \
+  F(GetFrameCount, 1, 1)                        \
+  F(GetFrameDetails, 2, 1)                      \
+  F(GetScopeCount, 2, 1)                        \
+  F(GetScopeDetails, 4, 1)                      \
+  F(GetAllScopesDetails, 4, 1)                  \
+  F(GetFunctionScopeCount, 1, 1)                \
+  F(GetFunctionScopeDetails, 2, 1)              \
+  F(SetScopeVariableValue, 6, 1)                \
+  F(DebugPrintScopes, 0, 1)                     \
+  F(SetBreakPointsActive, 1, 1)                 \
+  F(GetBreakLocations, 2, 1)                    \
+  F(SetFunctionBreakPoint, 3, 1)                \
+  F(SetScriptBreakPoint, 4, 1)                  \
+  F(ClearBreakPoint, 1, 1)                      \
+  F(ChangeBreakOnException, 2, 1)               \
+  F(IsBreakOnException, 1, 1)                   \
+  F(PrepareStep, 2, 1)                          \
+  F(ClearStepping, 0, 1)                        \
+  F(DebugEvaluate, 6, 1)                        \
+  F(DebugEvaluateGlobal, 4, 1)                  \
+  F(DebugGetLoadedScripts, 0, 1)                \
+  F(DebugReferencedBy, 3, 1)                    \
+  F(DebugConstructedBy, 2, 1)                   \
+  F(DebugGetPrototype, 1, 1)                    \
+  F(DebugSetScriptSource, 2, 1)                 \
+  F(FunctionGetInferredName, 1, 1)              \
+  F(FunctionGetDebugName, 1, 1)                 \
+  F(GetFunctionCodePositionFromSource, 2, 1)    \
+  F(ExecuteInDebugContext, 1, 1)                \
+  F(GetDebugContext, 0, 1)                      \
+  F(CollectGarbage, 1, 1)                       \
+  F(GetHeapUsage, 0, 1)                         \
+  F(GetScript, 1, 1)                            \
+  F(ScriptLineCount, 1, 1)                      \
+  F(ScriptLineStartPosition, 2, 1)              \
+  F(ScriptLineEndPosition, 2, 1)                \
+  F(ScriptLocationFromLine, 4, 1)               \
+  F(ScriptPositionInfo, 3, 1)                   \
+  F(ScriptSourceLine, 2, 1)                     \
+  F(DebugPrepareStepInIfStepping, 1, 1)         \
+  F(DebugPrepareStepInSuspendedGenerator, 0, 1) \
+  F(DebugPushPromise, 2, 1)                     \
+  F(DebugPopPromise, 0, 1)                      \
+  F(DebugAsyncTaskEvent, 1, 1)                  \
+  F(DebugIsActive, 0, 1)                        \
   F(DebugBreakInOptimizedCode, 0, 1)
 
 #define FOR_EACH_INTRINSIC_FORIN(F) \