Follow-up Comment #2, bug #31941 (project guile):
The bug happens because SCM_STACK_OVERFLOW_P erroneously report
a stack overflow, because the base of the stack is not updated
when the thread reenter into guile mode as it's supposed to according the the
patch that's tested
(http://lists.gnu.org/archive/html/guile-devel/2008-11/msg00037.html).
This happens because this code is never executed since the top of
the stack is always NULL.
Grepping through the code, I can't find were the current thread stack top is
ever set.
Apparently all initialization of top is gone with this patch :
45f15cac1f7f36c24ad0734fe128483080272e5f
Making the aforementionned patch dead code.
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