RFR: 8253433: Remove -XX:+Debugging product option

Wed Sep 30 13:00:23 UTC 2020

On Wed, 30 Sep 2020 12:38:30 GMT, Coleen Phillimore <coleenp at openjdk.org> wrote:

> The Debugging option shouldn't be used on the command line.  There's a SuppressErrorAt option to ignore certain
> asserts, if there is some situation needing that. Debugging should never be used.
> Tested with tier1 tests on 4 platforms.

src/hotspot/share/utilities/debug.cpp line 75:

> 73:
> 74: // Set to suppress secondary error reporting.
> 75: bool Debugging = false;

How would this work? You would set this while debugging? Does it also work in optimized coding or would the value
getting optimized away? Maybe make volatile?

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PR: https://git.openjdk.java.net/jdk/pull/434