[review v2] Fix use of non-existent DIAGNOSTIC_IGNORE_UNUSED_FUNCTION

[Luis Machado (Code Review)]

Luis Machado has abandoned this change. ( https://gnutoolchain-gerrit.osci.io/r/c/binutils-gdb/+/754 )

Change subject: Fix use of non-existent DIAGNOSTIC_IGNORE_UNUSED_FUNCTION
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Abandoned

Abanboning due to another commit being pushed.
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Gerrit-Project: binutils-gdb
Gerrit-Branch: master
Gerrit-Change-Id: Ifabf1fdb1bbafe55541ae2a93111eef8ec9bf52c
Gerrit-Change-Number: 754
Gerrit-PatchSet: 2
Gerrit-Owner: Luis Machado <luis.machado@linaro.org>
Gerrit-MessageType: abandon