[fpc-devel] Stack misalignment?
l at c-m-w.me.uk
Sat Feb 29 12:12:30 CET 2020
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 may not have diagnosed the underlying error correctly, but the crash
after r44191 is certainly real – any thoughts on this? Any other tests I
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