[fpc-devel] Stack misalignment?
Florian Klämpfl
florian at freepascal.org
Sun Mar 1 09:35:35 CET 2020
Am 29.02.20 um 12:12 schrieb C Western:
> FPC version r44191 seems to be causing problems for a lazarus
> application – it crashes on exit, with a segmentation fault. This is
> x86_64 on linux, with the gtk2 widget set, and the crash occurs in one
> of the system gtk c library routines. If I am interpreting the gdb
> information correctly the issue seems to be a misaligned stack – the
> faulting instruction is MOVAPS involving a stack location. A little more
> probing with gdb suggests the misalignment is introduced in the
> InternalExit routine in the rtl.
>
I think I have an idea what's wrong. I'll look into it.
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