[llvm] r173885 - This patch implements runtime ARM specific

[Carter, Jack]

Chandler,

Thanks for the example. I will change the Mips side as well.

Jack

________________________________
From: Chandler Carruth [chandlerc at google.com]
Sent: Thursday, January 31, 2013 4:20 PM
To: Carter, Jack
Cc: Commit Messages and Patches for LLVM
Subject: Re: [llvm] r173885 - This patch implements runtime ARM specific

On Thu, Jan 31, 2013 at 4:04 PM, Carter, Jack <jcarter at mips.com<mailto:jcarter at mips.com>> wrote:
Chandler,

Could you elaborate on "there is usually a better pattern to follow"?

Using dyn_cast and the LLVM-style RTTI for example to ensure that all down-casts are checked.

(Or avoiding down casts altogether, but nothing new there)
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