code review 7310087: test: ensure all failing tests exit nonzero.

test/literal.go

 // run
 
 // Copyright 2009 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
 // Test literal syntax for basic types.
 
 package main
 
 var nbad int
 
 func assert(cond bool, msg string) {
         if !cond {
                 if nbad == 0 {
                         print("BUG")
                 }
                 nbad++
                 print(" ", msg)
         }
 }
 
 func equal(a, b float32) bool {
         return a == b
 }
 
-
 func main() {
         // bool
         var t bool = true
         var f bool = false
         assert(t == !f, "bool")
 
         // int8
         var i00 int8 = 0
         var i01 int8 = 1
         var i02 int8 = -1
@@ skipping 180 matching lines @@
         // these are all the same string
         var sj0 string = "日本語"
         var sj1 string = "\u65e5\u672c\u8a9e"
         var sj2 string = "\U000065e5\U0000672c\U00008a9e"
         var sj3 string = "\xe6\x97\xa5\xe6\x9c\xac\xe8\xaa\x9e"
         assert(sj0 == sj1, "sj1")
         assert(sj0 == sj2, "sj2")
         assert(sj0 == sj3, "sj3")
 
         if nbad > 0 {
-                println()
+                panic("literal failed")
         }
 }