Panama source code fails to compile

[Remi Forax]

----- Mail original -----
> De: "Ty Young" <youngty1997 at gmail.com>
> À: "panama-dev at openjdk.java.net'" <panama-dev at openjdk.java.net>
> Envoyé: Lundi 28 Décembre 2020 22:06:58
> Objet: Panama source code fails to compile

> Just an FYI, the Panama source code have been broken since before
> Christmas with this error:
> 
> 
> panama-foreign/src/hotspot/share/oops/methodData.cpp:1616:6: error:
> redefinition of 'static bool MethodData::profile_memory_access(const
> methodHandle&, int)'
>  1616 | bool MethodData::profile_memory_access(const methodHandle& m,
> int bci) {
>       |      ^~~~~~~~~~
> /run/media/ty/Windows_Linux_Shared/OpenJDK/panama-foreign/src/hotspot/share/oops/methodData.cpp:1604:6:
> note: 'static bool MethodData::profile_memory_access(const
> methodHandle&, int)' previously defined here
>  1604 | bool MethodData::profile_memory_access(const methodHandle& m,
> int bci) {
>       |
> 
> 
> I tried building using the usual `bash configure
> --disable-warnings-as-errors` and `make images` on (Arch) Linux. I am
> able to compile the standard JDK from source just fine.
> 
> 
> I know I'm probably (metaphorically) screaming into the void here but...
> people often have data caps and JDK source code is *A LOT*. Not to
> mention the CPU and memory requirements needed to compile it in a
> reasonable amount of time, which are massive. I suggested months ago on
> the skara-dev list on having build succeeded/failed badges and/or
> automatic JDK builds but apparently no one is interested because it
> hasn't been added. Is making sure your code compiles & runs before you
> push it not a requirement for JDK developers or something? I understand
> it was Christmas but this has happened a few times now.

Usually for this kind of error, it's because you are compiling with a c++ compiler more recent than the one used by the CI,
so the bug flies under the radar.

> 
> 
> Just a little annoyed, sorry. I try to always use the latest builds so I
> don't have to constantly make large code changes, although there hasn't
> been many changes lately, which is odd. Is Panama's API nearly complete?
> What's the state of Panama at this point?

Rémi