RFR: 8320275: assert(_chunk->bitmap().at(index)) failed: Bit not set at index

[Patricio Chilano Mateo]

On Wed, 29 Nov 2023 03:21:07 GMT, Dean Long <dlong at openjdk.org> wrote:

>Also, I would prefer removing the round up in `java_calling_convention`, because the current patch fixes a subtle bug with an even subtler work-around, but let's see what other reviews think.
>
I removed the round up in java_calling_convention and do_type_calling_convention. The simpler approach wasn't going to work anyways. I think the callee can use the argument area to store data of a different type than the one passed as argument. So the last stack slot might not contain a narrow oop initially but could later on.

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PR Comment: https://git.openjdk.org/jdk/pull/16837#issuecomment-1832927446