feat(deadcode): add teste de deadcode

Author: Sophiassilva

tests/pass/deadcode.c

@@ -2,5 +2,5 @@ int main()
 {
     int a = 10;
     return a;
-    a = 20; 
+    int b = 20;
 }

tests/pass/deadcode.lua

@@ -1,4 +1,4 @@
 os.exit((function(args)
-    local a = 10
-    return a
-end)(arg))
+	local a = 10
+	return a
+end)(arg))

tests/pass/expressions.c

@@ -18,5 +18,5 @@ int main(int K)
     int a = 10;
     int b = 20;
     int r = sum(a, b) + add(a, b);
-    return 0;
+    return r;
 }

tests/pass/expressions.lua

@@ -13,5 +13,5 @@ os.exit((function(args)
 	local a = 10
 	local b = 20
 	local r = (sum(a, b) + add(a, b))
-	return 0
+	return r
 end)(arg))