https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66296
Mikhail Maltsev <miyuki at gcc dot gnu.org> changed:
What |Removed |Added
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CC| |miyuki at gcc dot gnu.org
--- Comment #1 from Mikhail Maltsev <miyuki at gcc dot gnu.org> ---
When (*a) - (*b) is evaluated, the operands are promoted to type int, so the
comparison in f0 evaluates to false.
https://stackoverflow.com/questions/7954717/type-promotion-in-c
