On Thu, 10 Oct 2024 19:13:01 GMT, Chen Liang <li...@openjdk.org> wrote:
> Please review this patch that adds a test by @nizarbenalla to perform null
> checks across the ClassFile API. This is an updated version of #20556 that
> minimizes impact on our implementation code.
>
> Notes:
> 1. There's one change in `MethodHandleProxies` to explicitly use platform
> class loader instead of `null` for boot class loader. Tests work fine.
> 2. The null check test uses the same set of classes as CorpusTest to make it
> suitable for tier 1.
> 3. The test is not comprehensive; currently it is permissive toward IAE,
> because sometimes some substitution arguments are invalid, especially
> primitive ClassDesc or Opcode with wrong types.
src/java.base/share/classes/jdk/internal/classfile/impl/ClassRemapperImpl.java
line 276:
> 274: @Override
> 275: public ClassDesc map(ClassDesc desc) {
> 276: if (desc == null) return null;
I'm not sure this won't break some use case.
Here I would say null -> null mapping might be OK.
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PR Review Comment: https://git.openjdk.org/jdk/pull/21458#discussion_r1797153280
