From: Mikko Rasa <tdb@tdb.fi>
Date: Fri, 11 Nov 2016 11:37:18 +0000 (+0200)
Subject: Extend unused variable analysis to assignments and across interfaces
X-Git-Url: http://git.tdb.fi/?a=commitdiff_plain;h=009918a51aa309eeceb6c02ecaebe45e8d357033;hp=009918a51aa309eeceb6c02ecaebe45e8d357033;p=libs%2Fgl.git

Extend unused variable analysis to assignments and across interfaces

Assignments are removed if there are no further references to the
assigned variable, except if it's a linked out variable.
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