cgen: fix fixed arrays literal eq (#8079)

vlib/builtin/array_eq_test.v

@@ -44,3 +44,17 @@ fn test_fixed_array_eq() {
 	assert a8 == [['aaa', 'bbb']!!, ['ccc', 'ddd']!!]
 	assert a8 != [['bbb', 'aaa']!!, ['cccc', 'dddd']!!]
 }
+
+fn test_fixed_array_literal_eq() {
+	assert [1, 2, 3]! == [1, 2, 3]!
+	assert [1, 1, 1]! != [1, 2, 3]!
+
+	assert [[1, 2], [3, 4]]! == [[1, 2], [3, 4]]!
+	assert [[1, 1], [2, 2]]! != [[1, 2], [3, 4]]!
+
+	assert [[1, 1]!, [2, 2]!]! == [[1, 1]!, [2, 2]!]!
+	assert [[1, 1]!, [2, 2]!]! != [[1, 2]!, [2, 3]!]!
+	
+	assert [[1, 1]!, [2, 2]!] == [[1, 1]!, [2, 2]!]
+	assert [[1, 1]!, [2, 2]!] != [[1, 2]!, [2, 3]!]
+}

vlib/v/gen/cgen.v

@@ -3032,6 +3032,10 @@ fn (mut g Gen) infix_expr(node ast.InfixExpr) {
 		if node.left_type.is_ptr() {
 			g.write('*')
 		}
+		if node.left is ast.ArrayInit {
+			s := g.typ(left_type)
+			g.write('($s)')
+		}
 		g.expr(node.left)
 		g.write(', ')
 		if node.right is ast.ArrayInit {