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[Bug c/56281] missed VRP optimization from undefined left shift in ISO C99
- From: "rguenth at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Mon, 11 Feb 2013 07:48:20 +0000
- Subject: [Bug c/56281] missed VRP optimization from undefined left shift in ISO C99
- Auto-submitted: auto-generated
- References: <bug-56281-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56281
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Resolution| |DUPLICATE
--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> 2013-02-11 07:48:20 UTC ---
It's valid for C++? Is the shift operand still constrained to [0, n) with
n being the precision of the shifted operand?
Please followup in the duplicate.
*** This bug has been marked as a duplicate of bug 31178 ***