Fixed values handling

samples/test.brc

@@ -49,11 +49,13 @@ i u32 <- 0, rep text[i] != 0:
 ;*/
 
 main fun -> u32
-    /*num1 u8 <- 42
+    num1 u8 <- 42
     num2 s8 <- 3 - +15
     num3 u32 <- 1234123
-    num4 s32 <- -345345*/
+    num4 s32 <- -345345
     num5 r32 <- -42.58
 
+    num5 + num3
+
     ret 0
 ;