[Bug modula2/115823] Wrong expansion of isnormal optab

[stefansf at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115823

--- Comment #6 from Stefan Schulze Frielinghaus <stefansf at gcc dot gnu.org> 
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I probably missed something but shouldn't FoldBuiltinFunction emit a call to
__builtin_isnormal whereas currently after gimplification we end up with:

_T50 = isnormal (1.0e+0);