Correct handling "if" in dictcomp in semantic actions for 3.x

test/simple_source/comprehension/05_dict_comp.py

@@ -3,12 +3,24 @@
 #
 # This code is RUNNABLE!
 def x(s):
-    return {k: v
-            for (k, v) in s
-            if not k.startswith('_')
-    }
+    return {k: v for (k, v) in s if not k.startswith("_")}
+
 
 # Yes, the print() is funny. This is
 # to test though a 2-arg assert where
 # the 2nd argument is not a string.
-assert x((('_foo', None),)) == {}, print("See issue #162")
+assert x((("_foo", None),)) == {}, print("See issue #162")
+
+# From 3.7 test_dictcomps.py
+assert {k: v for k in range(10) for v in range(10) if k == v} == {
+    0: 0,
+    1: 1,
+    2: 2,
+    3: 3,
+    4: 4,
+    5: 5,
+    6: 6,
+    7: 7,
+    8: 8,
+    9: 9,
+}