On Tue, 1 Jul 2025 12:25:04 GMT, Anton Artemov <d...@openjdk.org> wrote:

> Hi, please consider the following changes:
> 
> this PR addresses the issue of stringop-overflow warnings produced by GCC. 
> The compiler does think that the thread pointer returned by 
> `JavaThread::current()` can be null, though it cant. The thread pointer ends 
> up being an argument in `__atomic_load`, and the compiler reports the warning 
> related to argument of that method. 
> 
> The patch adds a hint to the compiler by means of `__builtin_unreachable()` 
> intrinsic, which tells the compiler that certain piece of code will never be 
> reached (case of thread pointer being null). This solves the issue. 
> 
> Tested in tiers 1-3 and GHA.

This pull request has been closed without being integrated.

-------------

PR: https://git.openjdk.org/jdk/pull/26067

Reply via email to