r194540 - PR10837: Warn if a null pointer constant is formed by a zero integer constant

[Joerg Sonnenberger]

On Wed, Nov 13, 2013 at 01:24:28AM -0000, Richard Smith wrote:
> Author: rsmith
> Date: Tue Nov 12 19:24:28 2013
> New Revision: 194540
> 
> URL: http://llvm.org/viewvc/llvm-project?rev=194540&view=rev
> Log:
> PR10837: Warn if a null pointer constant is formed by a zero integer constant
> expression that is not a zero literal, in C. Patch by Ivan A. Kosarev!

This results in crashes, see attached test case.

Joerg
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