git: openjdk/jdk: master: 8367627: C2: Missed Ideal() optimization opportunity with MemBar

[Benoît Maillard]

Changeset: 4458cab4
Branch: master
Author:    Benoît Maillard <bmaillard at openjdk.org>
Date:      2026-01-05 14:39:38 +0000
URL:       https://git.openjdk.org/jdk/commit/4458cab4b0063f39333392321f542d0aa0db490d

8367627: C2: Missed Ideal() optimization opportunity with MemBar

Reviewed-by: chagedorn, epeter

! src/hotspot/share/opto/graphKit.cpp
! src/hotspot/share/opto/node.cpp
+ test/hotspot/jtreg/compiler/c2/igvn/TestMissingOptMemBarRemovePrecedentEdge.java