We recently upgraded to version 12.12 and found an issue with building our project in C++ Builder 2010 using C++ Builder's standard Release configuration. We get an internal compiler error that points to a file of ours that uses an AlphaImageList and the acPNG package. We haven't change anything on our side within this file and this build error started appearing when we updated to 12.12. Apparently we've experienced this issue in the past with previous builds of Alpha Controls where the same thing would happen for the same file.
[BCC32 Fatal Error] TSetupWizardForm.cpp(145): F1004 Internal compiler error at 0x9300d99 with base 0x92b0000
This is the error that I get. When I double click on the error it brings me to a section of code that works with PNG images, so maybe it's something with the acPNG package? When I build in Debug mode everything works fine and I don't get this error. The file that the error points to also had an issue that I previously reported. Even though this was fixed a few versions ago, this may have something to do with this issue since they both involve the PNG images.
Whenever I would try to rebuild after getting the error the build would just fail again. However I've rebuilt the 12.12 version of AC and it is now building just fine in release mode. So maybe something just went wrong when initially building AC and I was using a faulty .bpl file. I'll let you know if I start getting this error again though.