git: openjdk/jdk: 8309978: [x64] Fix useless padding

[Vladimir Kozlov]

Changeset: 0038491a
Author:    Vladimir Kozlov <kvn at openjdk.org>
Date:      2023-06-15 15:32:45 +0000
URL:       https://git.openjdk.org/jdk/commit/0038491abda51b8bd39fabed53624c10abcfe077

8309978: [x64] Fix useless padding

Reviewed-by: chagedorn, thartmann, shade

! src/hotspot/cpu/x86/c2_intelJccErratum_x86.cpp
! src/hotspot/share/opto/compile.cpp
+ test/hotspot/jtreg/compiler/c2/irTests/TestPadding.java
! test/hotspot/jtreg/compiler/lib/ir_framework/IRNode.java