Possibly wrong address passed to callq asm instruction within MPIR test binaries

[Achim Gratz]

Jean-Pierre Flori writes:
> The problem we recently encountered was the following:
> in gmp-impl.h, mpn_store (which can be either a macro or a function if 
> efficient assembly is available, and so is always a function on x86_64) 
> was not marked __declspec(dllexport/dllimport).

I can confirm that GMP has the same problem when I patch out these
attributes (which I wanted to do because these cause lots of spurious
warnings during compilation).  This works fine on 32bit, but produces
segmentation faults in some (not all) 64bit test binaries.


Regards,
Achim.
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