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steven authored* opts.c (decode_options): Move flag_thread_jumps from -O1 and higher to -O2 and higher. Likewise for tree PRE. * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2 and better. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@94325 138bc75d-0d04-0410-961f-82ee72b054a4
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