Update libcni to 0.7.0 (Spec ver 0.4.0)

vendor/github.com/pkg/errors/bench_test.go

@@ -15,7 +15,6 @@ func noErrors(at, depth int) error {
 	}
 	return noErrors(at+1, depth)
 }
-
 func yesErrors(at, depth int) error {
 	if at >= depth {
 		return New("ye error")
@@ -23,11 +22,8 @@ func yesErrors(at, depth int) error {
 	return yesErrors(at+1, depth)
 }
 
-// GlobalE is an exported global to store the result of benchmark results,
-// preventing the compiler from optimising the benchmark functions away.
-var GlobalE interface{}
-
 func BenchmarkErrors(b *testing.B) {
+	var toperr error
 	type run struct {
 		stack int
 		std   bool
@@ -57,54 +53,7 @@ func BenchmarkErrors(b *testing.B) {
 				err = f(0, r.stack)
 			}
 			b.StopTimer()
-			GlobalE = err
+			toperr = err
 		})
 	}
 }
-
-func BenchmarkStackFormatting(b *testing.B) {
-	type run struct {
-		stack  int
-		format string
-	}
-	runs := []run{
-		{10, "%s"},
-		{10, "%v"},
-		{10, "%+v"},
-		{30, "%s"},
-		{30, "%v"},
-		{30, "%+v"},
-		{60, "%s"},
-		{60, "%v"},
-		{60, "%+v"},
-	}
-
-	var stackStr string
-	for _, r := range runs {
-		name := fmt.Sprintf("%s-stack-%d", r.format, r.stack)
-		b.Run(name, func(b *testing.B) {
-			err := yesErrors(0, r.stack)
-			b.ReportAllocs()
-			b.ResetTimer()
-			for i := 0; i < b.N; i++ {
-				stackStr = fmt.Sprintf(r.format, err)
-			}
-			b.StopTimer()
-		})
-	}
-
-	for _, r := range runs {
-		name := fmt.Sprintf("%s-stacktrace-%d", r.format, r.stack)
-		b.Run(name, func(b *testing.B) {
-			err := yesErrors(0, r.stack)
-			st := err.(*fundamental).stack.StackTrace()
-			b.ReportAllocs()
-			b.ResetTimer()
-			for i := 0; i < b.N; i++ {
-				stackStr = fmt.Sprintf(r.format, st)
-			}
-			b.StopTimer()
-		})
-	}
-	GlobalE = stackStr
-}