Emerging libaom 1.0.0-r2 throws an error

[tupn]

Greetings again,

About an hour ago, I tried to emerge @world as usual and an error occurred when the emerge was in progress. Since the logs from /var/tmp/portage/media-libs/libaom-1.0.0-r2/temp/build.log are too long I'll post the emerge --info, and the log on a pastebin:

Here is the emerge --info:

[fedeliallalinea]

https://bugs.gentoo.org/671340
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