[Bug c/53319] exact subtract of two decimal floating-point values raises FE_INEXACT

[tydeman at tybor dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53319

--- Comment #2 from Fred J. Tydeman <tydeman at tybor dot com> 2012-05-11 
05:31:01 UTC ---
Intel Core i5, 64-bit mode, Fedora Core Linux 17 and I believe
Intel Core 2 Due, 32-bit mode, Fedora Core Linux 17.