RFR: 8271340: Crash PhaseIdealLoop::clone_outer_loop

Thu Sep 2 12:53:33 UTC 2021

On Mon, 23 Aug 2021 14:46:15 GMT, Roland Westrelin <roland at openjdk.org> wrote:

> but that doesn't happen because do_transform() starts from Root by following inputs

Would the following code I added to Valhalla help?

https://github.com/openjdk/valhalla/commit/f43fafc7d81f3d34f6e971765dbadae41ae5c393#diff-f4a11a2c3f7d7342641c878277f778856ad329e4e09026e39d08afb03efd10a2R1958

test/hotspot/jtreg/compiler/c2/TestInfiniteLoopCCP.java line 72:

> 70:         thread.setDaemon(true);
> 71:         thread.start();
> 72:         Thread.sleep(/*Utils.adjustTimeout(4000)*/4000);

Why is the `Utils.adjustTimeout` uncommented?

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PR: https://git.openjdk.java.net/jdk/pull/5220