[Bug c/42179] Incorrect optimization (-O2) yields wrong code (regression)

[d dot g dot gorbachev at gmail dot com]

------- Comment #2 from d dot g dot gorbachev at gmail dot com  2009-11-26 11:02 -------
> note that there are no warnings

A warning is issued with -Wstrict-aliasing=1 or -Wstrict-aliasing=2, but no
warning with -Wstrict-aliasing=3 (or -Wall).

I see there are already a few bug reports about this.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42179