> This PR is splitting out the GCC 13.2.0 warning related changes from #16550, > excluding the Oracle/devkit parts, for clarity and to make potential > backports more straightforward. > > GCC 13.2.0 generates two new warnings: > > * linux-aarch64-debug > > src/hotspot/os_cpu/linux_aarch64/atomic_linux_aarch64.hpp:203:66: error: > 'long unsigned int __atomic_load_8(const volatile void*, int)' writing 8 > bytes into a region of size 0 overflows the destination > [-Werror=stringop-overflow=] > > I did not find any way to adjust the code to avoid this warning, so I instead > chose to disable it in `CompileJvm.gmk` for linux-aarch64-(fast)debug only. > > * linux-zero > > src/hotspot/share/runtime/thread.hpp:579:77: error: storing the address of > local variable 'rm' in '*_thr_current.Thread::_current_resource_mark' > [-Werror=dangling-pointer=] > > Lots and lots of warnings related to ResourceMark. Thanks to @stefank for > suggesting moving the ASSERT implementation of the ResourceMark constructor > to the .cpp file. With that change there's no need to explicitly disable the > warning.
Mikael Vidstedt has updated the pull request incrementally with one additional commit since the last revision: Add comment for stringop-overflow warning Co-authored-by: Hao Sun <[email protected]> ------------- Changes: - all: https://git.openjdk.org/jdk/pull/16584/files - new: https://git.openjdk.org/jdk/pull/16584/files/47ace39f..e2baad09 Webrevs: - full: https://webrevs.openjdk.org/?repo=jdk&pr=16584&range=01 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=16584&range=00-01 Stats: 1 line in 1 file changed: 1 ins; 0 del; 0 mod Patch: https://git.openjdk.org/jdk/pull/16584.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/16584/head:pull/16584 PR: https://git.openjdk.org/jdk/pull/16584
