[PATCH] Disable tail merge of call sites when building with any sanitizer

Diego Novillo dnovillo at google.com
Tue Nov 26 04:49:58 PST 2013

On Tue, Nov 26, 2013 at 6:25 AM, Evgeniy Stepanov
<eugeni.stepanov at gmail.com> wrote:
> Btw, is this an issue for sampling-based PGO as well? I guess
> optimizations like this one could affect the estimated branch
> probabilities.

Yes.  Anything that disrupts line number information will wreak havoc
on the sample profiler.


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