[Bug target/12598] Invalid size optimization on volatile memory reference

[hp at gcc dot gnu dot org]

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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12598



------- Additional Comments From hp at gcc dot gnu dot org  2003-10-13 14:30 -------
Also in at least 3.2 and 3.3.  Note that the peephole patterns
exclude volatile refs; the volatile flag seems to be scrubbed
off at an earlier pass.