http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48681
Richard Guenther <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Version|unknown |4.5.2
Resolution| |INVALID
--- Comment #1 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-04-19
09:54:28 UTC ---
I think expressions involving floating point operations are never valid
integral constant expressions (at least not in C).
An EDG based frontend agrees with that:
t.C(2): error: expression must have integral or enum type
compile_time_assertion_failed[(1.17549435082228750797e-38F <= 1E-37) ? 1 :
-1];
^
...
t.C(13): error: type of cast must be integral or enum
compile_time_assertion_failed[(((double)1.79769313486231570815e+308L) >=
1E+37)
^
