RFR JDK-8193325: StackFrameInfo::getByteCodeIndex returns wrong value if bci > 32767
mandy.chung at oracle.com
Tue Aug 13 17:49:32 UTC 2019
On 8/13/19 9:30 AM, Peter Levart wrote:
> Usually the StackFrameInfo(s) are consumed as soon as they are
> returned from StackWalker API and never assigned to @Stable field. So
> there's no purpose of @Stable for bci field use. Except documentation.
> But documentation can be specified in the form of comments too.
There are several JDK classes whose fields are filled by VM and comment
is the form of documentation. Until new use of StackFrame in the future
shows performance benefit, it's okay to stick with @Stable original
intent and keep the comment:
+ private int bci; // zero and negative values
represent invalid BCI
Please also review CSR:
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