[Lazarus] Lazarus 1.6 can break old programs?

[Chavoux Luyt]

Hi everybody,

I updated Lazarus to the latest release for Debian (version 1.6) and tried
to recompile an old Lazarus program (I think it was still written on
Lazarus 1.4?). When trying to debug, I get this exception on calling
OpenDlg.Execute() : "Project birds raised exception class 'External:
SIGFPE'.  At address 7FFFF09DA57F" (See attached screenshot). The code is
exactly the same that used to work before (on Linux). Where can I look for
the issue? Is there a way to step into the TOpenDialog code?

Thanks!
Chavoux
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