Fix issue #5810 doubled comment on functions in array literals

tests/baselines/reference/arrayLiteralComments.js

@@ -0,0 +1,31 @@
+//// [arrayLiteralComments.ts]
+var testArrayWithFunc = [
+    // Function comment
+    function() {
+        let x = 1;
+    },
+    // String comment
+    '1',
+    // Numeric comment
+    2,
+    // Object comment
+    { a: 1 },
+    // Array comment
+    [1, 2, 3]
+]
+
+//// [arrayLiteralComments.js]
+var testArrayWithFunc = [
+    // Function comment
+    function () {
+        var x = 1;
+    },
+    // String comment
+    '1',
+    // Numeric comment
+    2,
+    // Object comment
+    { a: 1 },
+    // Array comment
+    [1, 2, 3]
+];

tests/baselines/reference/arrayLiteralComments.symbols

@@ -0,0 +1,21 @@
+=== tests/cases/compiler/arrayLiteralComments.ts ===
+var testArrayWithFunc = [
+>testArrayWithFunc : Symbol(testArrayWithFunc, Decl(arrayLiteralComments.ts, 0, 3))
+
+    // Function comment
+    function() {
+        let x = 1;
+>x : Symbol(x, Decl(arrayLiteralComments.ts, 3, 11))
+
+    },
+    // String comment
+    '1',
+    // Numeric comment
+    2,
+    // Object comment
+    { a: 1 },
+>a : Symbol(a, Decl(arrayLiteralComments.ts, 10, 5))
+
+    // Array comment
+    [1, 2, 3]
+]

tests/baselines/reference/arrayLiteralComments.types

@@ -0,0 +1,36 @@
+=== tests/cases/compiler/arrayLiteralComments.ts ===
+var testArrayWithFunc = [
+>testArrayWithFunc : ((() => void) | string | number | { a: number; } | number[])[]
+>[    // Function comment    function() {        let x = 1;    },    // String comment    '1',    // Numeric comment    2,    // Object comment    { a: 1 },    // Array comment    [1, 2, 3]] : ((() => void) | string | number | { a: number; } | number[])[]
+
+    // Function comment
+    function() {
+>function() {        let x = 1;    } : () => void
+
+        let x = 1;
+>x : number
+>1 : number
+
+    },
+    // String comment
+    '1',
+>'1' : string
+
+    // Numeric comment
+    2,
+>2 : number
+
+    // Object comment
+    { a: 1 },
+>{ a: 1 } : { a: number; }
+>a : number
+>1 : number
+
+    // Array comment
+    [1, 2, 3]
+>[1, 2, 3] : number[]
+>1 : number
+>2 : number
+>3 : number
+
+]