On Wed, 2 Aug 2023 19:15:24 GMT, Matias Saavedra Silva <matsa...@openjdk.org> 
wrote:

> The recent change in 
> [JDK-8301996](https://bugs.openjdk.org/browse/JDK-8301996) added more 
> -Wconversion warnings that are addressed in this patch. The aforementioned 
> change has overlooked inconsistencies with the types used by 
> `ResolvedFieldEntry` and the method `fill_in()`. Verified with tier 1-4 tests.

src/hotspot/share/interpreter/rewriter.cpp line 192:

> 190:     int field_entry_index = Bytes::get_native_u2(p);
> 191:     int pool_index = 
> _initialized_field_entries.at(field_entry_index).constant_pool_index();
> 192:     Bytes::put_Java_u2(p, (u2)pool_index);

I guess this isn't using checked_cast because similar code elsewhere in this 
file uses this style, but it means we can silently do the wrong thing.  Is 
there a separate RFE to remove as many of these unchecked casts as possible?

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

PR Review Comment: https://git.openjdk.org/jdk/pull/15126#discussion_r1282886338

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