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[Bug libgcc/59714] complex division is surprising on targets with FMA (was: on aarch64)


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=59714

--- Comment #7 from Wilco <wilco at gcc dot gnu.org> ---
Btw this is also totally broken in libgcc2.c:

#define isnan(x)        __builtin_expect ((x) != (x), 0)
#define isfinite(x)     __builtin_expect (!isnan((x) - (x)), 1)
#define isinf(x)        __builtin_expect (!isnan(x) & !isfinite(x), 0)

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