From: Mikko Rasa <tdb@tdb.fi>
Date: Sat, 10 Dec 2016 17:24:58 +0000 (+0200)
Subject: Refactor and improve unused variable detection in ProgramCompiler
X-Git-Url: http://git.tdb.fi/?a=commitdiff_plain;h=e6824add54056141e7507a33e821af01d1398973;hp=e6824add54056141e7507a33e821af01d1398973;p=libs%2Fgl.git

Refactor and improve unused variable detection in ProgramCompiler

It now recognizes and marks for removal assignments to global variables
if the variable is not read in any function.
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