On Fri, 9 Dec 2022 06:53:31 GMT, Justin King <jck...@openjdk.org> wrote:
> Allow building OpenJDK with UBSan. Currently the build fails when optimizing
> the image due to lots of undefined behavior (it invokes the built JVM).
> Follow up PRs will either replace the undefined behavior with well defined
> behavior or suppress errors which are intentional. The goal is to make
> OpenJDK more well defined and thus more portable across compilers and
> architectures.
src/java.base/share/native/launcher/main.c line 40:
> 38: // Override weak symbol exposed by UBSan to override default options.
> This is called by UBSan
> 39: // extremely early during library loading, before main is called.
> 40: JNIEXPORT const char* __ubsan_default_options() {
Why would this need `JNIEXPORT`? This is not a JNI function.
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PR: https://git.openjdk.org/jdk/pull/11604
