[Bug c/39855] [4.3/4.4/4.5 Regression] Shift optimization discards operands' side effects

[jakub at gcc dot gnu dot org]

------- Comment #2 from jakub at gcc dot gnu dot org  2009-04-22 20:20 -------
Argh, attached wrong version of the patch, the arguments to omit_one_operand of
course need to be swapped.  Sorry.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39855