var golang.org/x/net/http2.testHookOnPanicMu

4 uses

	golang.org/x/net/http2 (current package)
		server.go#L87: 	testHookOnPanicMu     *sync.Mutex // nil except in tests
		server.go#L910: 	if testHookOnPanicMu != nil {
		server.go#L911: 		testHookOnPanicMu.Lock()
		server.go#L912: 		defer testHookOnPanicMu.Unlock()

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