[debugger] tuned StepNext and StepOut at return position

test/inspector/debugger/stepping-tail-call-expected.txt

Index: test/inspector/debugger/stepping-tail-call-expected.txt
diff --git a/test/inspector/debugger/stepping-tail-call-expected.txt b/test/inspector/debugger/stepping-tail-call-expected.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5755c8b8d44bfd734c54ab3b7149faefc325a9c2
--- /dev/null
+++ b/test/inspector/debugger/stepping-tail-call-expected.txt
@@ -0,0 +1,177 @@
+Checks stepping over tail calls.
+
+Running test: testStepOver
+f (:2:14)
+f (:3:22)
+f (:3:22)
+f (:3:22)
+(anonymous) (:5:0)
+function f(x) {
+  if (x == 2) #debugger;
+  if (x-- > 0) return f(x);
+
+Debugger.stepOver called
+f (:3:2)
+f (:3:22)
+f (:3:22)
+f (:3:22)
+(anonymous) (:5:0)
+  if (x == 2) debugger;
+  #if (x-- > 0) return f(x);
+}
+
+Debugger.stepOver called
+f (:3:15)
+f (:3:22)
+f (:3:22)
+f (:3:22)
+(anonymous) (:5:0)
+  if (x == 2) debugger;
+  if (x-- > 0) #return f(x);
+}
+
+Debugger.stepOver called
+f (:4:0)
+f (:3:22)
+f (:3:22)
+f (:3:22)
+(anonymous) (:5:0)
+  if (x-- > 0) return f(x);
+#}
+f(5);
+
+Debugger.stepOver called
+f (:4:0)
+f (:3:22)
+f (:3:22)
+(anonymous) (:5:0)
+  if (x-- > 0) return f(x);
+#}
+f(5);
+
+Debugger.stepOver called
+f (:4:0)
+f (:3:22)
+(anonymous) (:5:0)
+  if (x-- > 0) return f(x);
+#}
+f(5);
+
+Debugger.stepOver called
+f (:4:0)
+(anonymous) (:5:0)
+  if (x-- > 0) return f(x);
+#}
+f(5);
+
+Debugger.stepOver called
+(anonymous) (:5:5)
+}
+f(5);#
+
+
+Debugger.resume called
+
+Running test: testStepOut
+f (:2:14)
+f (:3:22)
+f (:3:22)
+f (:3:22)
+(anonymous) (:5:0)
+function f(x) {
+  if (x == 2) #debugger;
+  if (x-- > 0) return f(x);
+
+Debugger.stepOut called
+f (:4:0)
+f (:3:22)
+f (:3:22)
+(anonymous) (:5:0)
+  if (x-- > 0) return f(x);
+#}
+f(5);
+
+Debugger.stepOut called
+f (:4:0)
+f (:3:22)
+(anonymous) (:5:0)
+  if (x-- > 0) return f(x);
+#}
+f(5);
+
+Debugger.stepOut called
+f (:4:0)
+(anonymous) (:5:0)
+  if (x-- > 0) return f(x);
+#}
+f(5);
+
+Debugger.stepOut called
+(anonymous) (:5:5)
+}
+f(5);#
+
+
+Debugger.resume called
+
+Running test: testStepOutFromReturn
+f (:2:14)
+f (:3:22)
+f (:3:22)
+f (:3:22)
+(anonymous) (:5:0)
+function f(x) {
+  if (x == 2) #debugger;
+  if (x-- > 0) return f(x);
+
+Debugger.stepOver called
+f (:3:2)
+f (:3:22)
+f (:3:22)
+f (:3:22)
+(anonymous) (:5:0)
+  if (x == 2) debugger;
+  #if (x-- > 0) return f(x);
+}
+
+Debugger.stepOver called
+f (:3:15)
+f (:3:22)
+f (:3:22)
+f (:3:22)
+(anonymous) (:5:0)
+  if (x == 2) debugger;
+  if (x-- > 0) #return f(x);
+}
+
+Debugger.stepOut called
+f (:4:0)
+f (:3:22)
+f (:3:22)
+(anonymous) (:5:0)
+  if (x-- > 0) return f(x);
+#}
+f(5);
+
+Debugger.stepOut called
+f (:4:0)
+f (:3:22)
+(anonymous) (:5:0)
+  if (x-- > 0) return f(x);
+#}
+f(5);
+
+Debugger.stepOut called
+f (:4:0)
+(anonymous) (:5:0)
+  if (x-- > 0) return f(x);
+#}
+f(5);
+
+Debugger.stepOut called
+(anonymous) (:5:5)
+}
+f(5);#
+
+
+Debugger.resume called