git: openjdk/jdk21u-dev: master: 8316907: Fix nonnull-compare warnings

[SendaoYan]

Changeset: ef5702e7
Branch: master
Author:    SendaoYan <syan at openjdk.org>
Date:      2024-11-22 15:37:23 +0000
URL:       https://git.openjdk.org/jdk21u-dev/commit/ef5702e7f4be11ab3f3b7d74b98cf9aa628829f7

8316907: Fix nonnull-compare warnings

Backport-of: 516cfb135f7e5fefaf6e6f2928f6ecb88806f1ef

! src/hotspot/share/adlc/output_c.cpp
! src/hotspot/share/asm/codeBuffer.cpp