git: openjdk/jdk: master: 8338019: Fix simple -Wzero-as-null-pointer-constant warnings in riscv code

[Fei Yang]

Changeset: 0c1e9111
Branch: master
Author:    Gui Cao <gcao at openjdk.org>
Committer: Fei Yang <fyang at openjdk.org>
Date:      2024-08-09 02:59:37 +0000
URL:       https://git.openjdk.org/jdk/commit/0c1e9111d226b601236b9826e27ecc67a8b625fb

8338019: Fix simple -Wzero-as-null-pointer-constant warnings in riscv code

Reviewed-by: fyang, mli, luhenry

! src/hotspot/cpu/riscv/c1_LIRAssembler_riscv.cpp
! src/hotspot/cpu/riscv/c1_Runtime1_riscv.cpp
! src/hotspot/cpu/riscv/frame_riscv.cpp
! src/hotspot/cpu/riscv/nativeInst_riscv.cpp