Please review this patch that reenables `delete-null-pointer-checks` optimization in GCC and Clang.
It also disables `nonnull-compare` warning that is now triggered in debug builds. The problematic code will be addressed by #15927. Mach5 Tier1-5 testing clean. ------------- Commit messages: - Disable nonull-compare warnings - Remove -fno-delete-null-pointer-checks Changes: https://git.openjdk.org/jdk/pull/15982/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=15982&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8316893 Stats: 19 lines in 2 files changed: 2 ins; 14 del; 3 mod Patch: https://git.openjdk.org/jdk/pull/15982.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/15982/head:pull/15982 PR: https://git.openjdk.org/jdk/pull/15982