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This is 1.5.0_08 backport.
Call to record_for_igvn() was not added since
it was missed only in new Mustang code.
Comments
SUGGESTED FIX
Put store's uses on IGVN worklist when one of uses is removed to
enable folding optimization for store/store and store/load to the same address.
Webrev: http://analemma.sfbay.sun.com/net/prt-archiver.sfbay/data/archived_workspaces/1.5/tiger_update8_baseline/2006/20060424110321.kvn.6396979/workspace/webrevs/webrev-2006.04.24/index.html
26-04-2006
EVALUATION
It was noticed that we generate back-to-back stores to the same address
in the bug 6396979 test case.