[RFC] Prevent tailcall optimizations of libdl functions

[Szabolcs Nagy]

On 25/01/17 15:32, Yuri Gribov wrote:
> FWIW it sounds like GCC attribute would be the most natural solution
> (and probably also useful in other contexts). I'll try to cook a patch
> for GCC if there are no objections.

note that even if dlsym is marked notailcall, with

p = dlsym;
...
return p();

if the type of p does not carry the attributes of
dlsym then this can be a tailcall.