[LLVMbugs] [Bug 11572] Right shift of a bit field strips the "unsigned" type property from a bitfield

Wed Dec 14 13:13:59 PST 2011

http://llvm.org/bugs/show_bug.cgi?id=11572

Kevin W. Harris <Kevin.Harris at unisys.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |INVALID

--- Comment #5 from Kevin W. Harris <Kevin.Harris at unisys.com> 2011-12-14 15:13:59 CST ---
Eli,
     Thanks for the explanation.  I see it now.  Even more to the point,
6.3.1.8 says, in describing integer promotions (2nd to last clause):
"Otherwise, if the type of the operand with signed integer type can represent
all the values of the type of the operand with unsigned integer type, then the
operand with unsigned integer type is converted to the type of the operand with
signed integer type."

I'll withdraw the report.
     -Kevin

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