I’ve been messing around with swift and trying to figure out the internals for
fun. I’ve been running into a seg fault while running this gist
(https://gist.github.com/krishnamannem/032aa7b568f82297ba2f88041518085d), the
seg fault happens in the print().
Going through the execution with lldb I know the error is inside print and the
only difference between the disassembled versions is some retain release stuff
which I don’t think is the issue. I have very little experience with swift so
you’ll have to excuse me if I’m totally screwing/mixing something up. Does
anyone know what extra magic testing(x: () -> ()) { x() } does to ensure it
doesn’t segfault.
Side note: I have replaced the print with a plain var _ = 1 + 1 and this worked
just fine.
I ran this using :
Llvm-g++ -c func.S -o func.o
Swiftc -g func.swift func.o
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