git: openjdk/jdk: 8287432: C2: assert(tn->in(0) != __null) failed: must have live top node

[Christian Hagedorn]

Changeset: 78d37126
Author:    Christian Hagedorn <chagedorn at openjdk.org>
Date:      2022-06-08 14:12:09 +0000
URL:       https://git.openjdk.java.net/jdk/commit/78d371266ae8a629db8176ced4d48e9521702cce

8287432: C2: assert(tn->in(0) != __null) failed: must have live top node

Reviewed-by: kvn, thartmann

! src/hotspot/share/opto/compile.cpp
+ test/hotspot/jtreg/compiler/c2/TestRemoveMemBarPrecEdge.java