Commit 21cb6571 authored by Vladimir Marko's avatar Vladimir Marko
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Quick: Fix LoopRepeatingTopologicalSortIterator. 

Always push the loop head on the loop head stack. This fixes
a bug where we failed to return to an unnatural loop head to
recalculate its GVN data.

Bug: 17410955

(cherry picked from commit 67c8c942)

Change-Id: I44b9a17cbcd7307d1cc70ac564b99e29803723c5
parent ffd42ee5
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