From f58875a202e91ca6e558848d97088255a8a12859 Mon Sep 17 00:00:00 2001
From: joe-conigliaro <joe.conigliaro@gmail.com>
Date: Tue, 31 Mar 2020 16:07:30 +1100
Subject: [PATCH] table: i8 -128 was being cast to int closes #4164

---
 vlib/compiler/table.v | 18 +++++++++++-------
 1 file changed, 11 insertions(+), 7 deletions(-)

diff --git a/vlib/compiler/table.v b/vlib/compiler/table.v
index 2c411b299e..0baba45b30 100644
--- a/vlib/compiler/table.v
+++ b/vlib/compiler/table.v
@@ -903,22 +903,26 @@ fn (table &Table) cgen_name_type_pair(name, typ string) string {
 }
 
 fn is_valid_int_const(val, typ string) bool {
-	x := val.int()
-	return match typ {
+	// x := val.int()
+	match typ {
 		'char'{
-			0 <= x && x <= 255
+			x := val.int()
+			return 0 <= x && x <= 255
 		}
 		'byte'{
-			0 <= x && x <= 255
+			x := val.int()
+			return 0 <= x && x <= 255
 		}
 		'u16'{
-			0 <= x && x <= 65535
+			x := val.u16()
+			return 0 <= x && x <= 65535
 		}
 		// case 'u32': return 0 <= x && x <= math.MaxU32
 		// case 'u64': return 0 <= x && x <= math.MaxU64
 		// ////////////
 		'i8'{
-			-128 <= x && x <= 127
+			x := val.i8()
+			return -128 <= x && x <= 127
 		}
 		/*
 	case 'i16': return math.min_i16 <= x && x <= math.max_i16
@@ -929,7 +933,7 @@ fn is_valid_int_const(val, typ string) bool {
 		// x64 := val.i64()
 		// return i64(-(1<<63)) <= x64 && x64 <= i64((1<<63)-1)
 		else {
-			true}}
+			return true}}
 }
 
 fn (p mut Parser) typ_to_fmt(typ string, level int) string {