[LLVMbugs] [Bug 12084] Bad optimization of numeric literal masks

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=12084

Eli Friedman <sharparrow1 at yahoo.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
                 CC|                            |sharparrow1 at yahoo.com
         Resolution|                            |INVALID

--- Comment #1 from Eli Friedman <sharparrow1 at yahoo.com> 2012-02-27 16:49:26 CST ---
Your code has undefined behavior because the addition in the computation of w2
overflows.  See
http://blog.llvm.org/2011/05/what-every-c-programmer-should-know.html .

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