[jdk17u-dev] RFR: 8291775: C2: assert(r != __null && r->is_Region()) failed: this phi must have a region

[Goetz Lindenmaier]

On Fri, 30 Sep 2022 12:58:10 GMT, Goetz Lindenmaier <goetz at openjdk.org> wrote:

> I backport this for parity with 17.0.6-oracle.

Pre-submit test: TestStringDeduplicationAgeThreshold.java#id1 known to be failing. Unrelated.

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PR: https://git.openjdk.org/jdk17u-dev/pull/760