git: openjdk/jdk: 8331252: C2: MergeStores: handle negative shift values

[Emanuel Peter]

Changeset: 3d11692b
Author:    Emanuel Peter <epeter at openjdk.org>
Date:      2024-04-30 16:15:07 +0000
URL:       https://git.openjdk.org/jdk/commit/3d11692bf369af951867209962e8bf5886d1655f

8331252: C2: MergeStores: handle negative shift values

Reviewed-by: kvn, shade

! src/hotspot/share/opto/memnode.cpp
! test/hotspot/jtreg/compiler/c2/TestMergeStores.java