[PATCH] Fix ilogb exception and errno (bug 6794)

[Andreas Schwab]

Adhemerval Zanella <azanella@linux.vnet.ibm.com> writes:

> +weak_alias (__ieee754_ilogb, __ilogb_finite)

This is useless, since __ilogb_finite is not exported, and
<bits/math-finite.h> doesn't use it anyway.

Andreas.

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Andreas Schwab, schwab@linux-m68k.org
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