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test: use a real use function in nilptr2.go
Adjust the dummy use function to a real use. As suggested by the println calls in the test, nilptr2.go supposes to check that a used nil pointer dereference panics. This use function is not real enough so an optimized compiler such as gccgo could eliminate the call. The spec requires that even a dummy use would cause a panic. Unfortunately, due to #31151 this is not true for gccgo at -O1 or above. Change-Id: Ie07c8a5969ab94dad82d4f7cfec30597c25b7c46 Reviewed-on: https://go-review.googlesource.com/c/go/+/176579 Run-TryBot: Cherry Zhang <cherryyz@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Ian Lance Taylor <iant@golang.org> Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
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@ -35,7 +35,10 @@ var m *M
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var m1 *M1
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var m2 *M2
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func use(interface{}) {
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var V interface{}
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func use(x interface{}) {
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V = x
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}
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var tests = []struct{
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