This change fixes or skips some NMT tests when running under ASan, as well as fixing a leak.
- `allocator_may_return_null=1` is added as the default is `0`, meaning ASan will never return `nullptr` and will instead crash. NMT tests check that large allocations return `nullptr` so those do not work under ASan currently. - We skip tests that intentionally access memory outside the allocated range or do things that ASan will catch, causing the tests to fail. - Fix a memory leak in `test_nmtpreinit.cpp`. - Enable coredumps to work on some platforms with ASan, some other tests rely on this working. All of this is related to ASan and NMT, so I opted to do it in a single change. ------------- Commit messages: - Fix NMT tests running under ASan Changes: https://git.openjdk.org/jdk/pull/13208/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=13208&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8305090 Stats: 30 lines in 5 files changed: 27 ins; 0 del; 3 mod Patch: https://git.openjdk.org/jdk/pull/13208.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/13208/head:pull/13208 PR: https://git.openjdk.org/jdk/pull/13208
