http://llvm.org/bugs/show_bug.cgi?id=9252

Jakob Stoklund Olesen <[email protected]> changed:

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

--- Comment #6 from Jakob Stoklund Olesen <[email protected]> 2011-02-21 12:26:13 
CST ---
I filed PR9280 to track the bad diagnostics.

Closing this bug, the source code is invalid.

Instead of 

    asm volatile ("hello" : "+a"(x) : "a"(x));

Simply use:

    asm volatile ("hello" : "+a"(x));

The "+a"(x) constraint both reads and writes the variable.

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