On Fri, 1 Aug 2025 15:49:57 GMT, Chen Liang <li...@openjdk.org> wrote:
> Provide a general facility for our null check APIs like > Objects::requireNonNull or future Checks::nullCheck (void), converting the > existing infrastructure to start tracking from a given stack site (depth > offset) and a given stack slot (offset value). Still reading this. A few comments, mostly intended to make this easier to grok for future readers. The actual logic seems fine from a first read. src/java.base/share/classes/java/lang/NullPointerException.java line 159: > 157: /// configurations to trace how a particular argument, which > turns out to > 158: /// be `null`, was evaluated. > 159: /// 2. `searchSlot < 0`, stack offset is 0 (a call to the nullary > constructor) Can `searchSlot == -1` here? ------------- PR Review: https://git.openjdk.org/jdk/pull/26600#pullrequestreview-3087588630 PR Review Comment: https://git.openjdk.org/jdk/pull/26600#discussion_r2253882841