fix

Author: sumneko

script/vm/tracer.lua

@@ -595,6 +595,8 @@ local lookIntoChild = util.switch()
                 end
             end
             if not handler then
+                tracer:lookIntoChild(action[1], topNode)
+                tracer:lookIntoChild(action[2], topNode)
                 return topNode, outNode
             end
             if tracer.getMap[handler] then

test/type_inference/init.lua

@@ -4166,3 +4166,12 @@ X = Y
 
 print(<?X?>)
 ]]
+
+TEST 'number' [[
+---@type number
+local t
+
+if xxx == <?t?> then
+    print(t)
+end
+]]