Fix #198: integer out of range

tests/include/tast2.h

@@ -33,6 +33,9 @@ extern "C" {
 #define EQ5 AVAL != BVAL
 #define EQ6 AVAL == BVAL
 
+// testing integer out of long int range
+#define INT_FAST16_MIN (-9223372036854775807L-1)
+
 #define SIZEOF sizeof(char)
 #define REG_STR "regular string"
 #define NOTSUPPORTEDSTR "not a " REG_STR

tests/tast2.nim

@@ -131,6 +131,8 @@ assert SIZEOF == 1
 assert COERCE == 645635670332'u64
 assert COERCE2 == 645635670332'i64
 
+assert INT_FAST16_MIN == -9223372036854775807'i64 - 1
+
 assert BINEXPR == 5
 assert BOOL == true
 assert MATHEXPR == -99