fix #1279

Author: sumneko

changelog.md

@@ -9,6 +9,7 @@
 * `FIX` [#1269](https://github.com/sumneko/lua-language-server/issues/1269)
 * `FIX` [#1273](https://github.com/sumneko/lua-language-server/issues/1273)
 * `FIX` [#1275](https://github.com/sumneko/lua-language-server/issues/1275)
+* `FIX` [#1279](https://github.com/sumneko/lua-language-server/issues/1279)
 
 ## 3.4.0
 `2022-6-29`

script/vm/compiler.lua

@@ -663,7 +663,7 @@ function vm.compileByParentNode(source, key, ref, pushResult)
             ---@cast node vm.global
             and not guide.isBasicType(node.name)
         )
-        or node.type == 'doc.type.string' then
+        or guide.isLiteral(node) then
             searchFieldSwitch(node.type, suri, node, key, ref, function (res, markDoc)
                 if markDoc then
                     docedResults[#docedResults+1] = res

test/type_inference/init.lua

@@ -3357,3 +3357,10 @@ local t
 
 <?t?> = {}
 ]]
+
+TEST 'integer' [[
+---@type integer[]|A
+local t
+
+local <?x?> = t[1]
+]]