[llvm] r177472 - Fix AsmPrinter crashes with assertion. Bug 15318 in Bugzilla

[Chad Rosier]

Hi Hao,
Can you please add a test case?

 Chad

On Mar 19, 2013, at 6:46 PM, Hao Liu <Hao.Liu at arm.com> wrote:

> Author: haoliu
> Date: Tue Mar 19 20:46:36 2013
> New Revision: 177472
> 
> URL: http://llvm.org/viewvc/llvm-project?rev=177472&view=rev
> Log:
> Fix AsmPrinter crashes with assertion. Bug 15318 in Bugzilla
> 
> Modified:
>    llvm/trunk/lib/Support/APFloat.cpp
> 
> Modified: llvm/trunk/lib/Support/APFloat.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Support/APFloat.cpp?rev=177472&r1=177471&r2=177472&view=diff
> ==============================================================================
> --- llvm/trunk/lib/Support/APFloat.cpp (original)
> +++ llvm/trunk/lib/Support/APFloat.cpp Tue Mar 19 20:46:36 2013
> @@ -3311,10 +3311,8 @@ namespace {
> 
>     significand = significand.udiv(divisor);
> 
> -    // Truncate the significand down to its active bit count, but
> -    // don't try to drop below 32.
> -    unsigned newPrecision = std::max(32U, significand.getActiveBits());
> -    significand = significand.trunc(newPrecision);
> +    // Truncate the significand down to its active bit count.
> +    significand = significand.trunc(significand.getActiveBits());
>   }
> 
> 
> 
> 
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