[Bug target/55939] [4.6/4.7/4.8 regression] gcc miscompiles gmp-5.0.5 on m68k-linux

[mikpe at it dot uu.se]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55939

--- Comment #14 from Mikael Pettersson <mikpe at it dot uu.se> 2013-01-29 18:03:04 UTC ---
The wrong-code occurs in the test wrapper rather than in gmp proper, and the
test wrapper does contain a helper function (my_ldexp) which computes and
returns 'double'.  So the problem might simply be caused by excess precision.