On Tue, Apr 23, 2013 at 9:34 AM, Armin Rigo <[email protected]> wrote:
>
> Armin Rigo <[email protected]> added the comment:
>
> The reason is in rpython/translator/c/src/stack.h: you need a macro
> PYPY_INHIBIT_TAIL_CALL().  Without it, the C code compiles too many tail 
> calls.
>  This test is precisely checking a particular path that does only tail calls 
> at
> the C levels.  An optimizing compiler replaces them all with jumps, and then
> runs the seemingly infinite number of nested C calls in a finite amount of C 
> stack.
>
> There are probably portable ways to write the macro.
>
> ----------
> nosy: +arigo
>

To be honest, is it actually a bad thing?
_______________________________________________
pypy-issue mailing list
[email protected]
http://mail.python.org/mailman/listinfo/pypy-issue

Reply via email to