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runtime: don't assume b.N > 0
Change-Id: I2e26717f2563d7633ffd15f4adf63c3d0ee3403f Reviewed-on: https://go-review.googlesource.com/20856 Run-TryBot: Marcel van Lohuizen <mpvl@golang.org> Reviewed-by: Russ Cox <rsc@golang.org>
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@ -428,6 +428,9 @@ func TestPingPongHog(t *testing.T) {
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}
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func BenchmarkPingPongHog(b *testing.B) {
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if b.N == 0 {
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return
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}
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defer runtime.GOMAXPROCS(runtime.GOMAXPROCS(1))
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// Create a CPU hog
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