fix can not union table with other basic types

Author: sumneko

changelog.md

@@ -1,7 +1,7 @@
 # changelog
 
 ## 3.2.4
-* `FIX` hover: can not union `unknown` with other types
+* `FIX` hover: can not union `table` with other basic types
 
 ## 3.2.3
 `2022-5-16`

script/vm/infer.lua

@@ -76,7 +76,7 @@ local viewNodeSwitch = util.switch()
     : case 'global'
     : call(function (source, infer)
         if source.cate == 'type' then
-            if source.name ~= 'unknown' then
+            if not guide.isBasicType(source.name) then
                 infer._hasClass = true
             end
             if source.name == 'number' then

test/type_inference/init.lua

@@ -2308,3 +2308,18 @@ end
 
 local <?z?> = f()
 ]]
+
+TEST 'number|table' [[
+local function returnI()
+    return a + 1
+end
+
+local function f()
+    if x then
+        return returnI()
+    end
+    return {}
+end
+
+local <?z?> = f()
+]]