patch: sanitizer summaries are redundant, don't emit them

Kostya Serebryany kcc at
Tue Oct 22 22:10:17 PDT 2013

On Wed, Oct 23, 2013 at 8:16 AM, Nick Lewycky <nlewycky at> wrote:

> __sanitizer_report_error_summary is the replaceable interface for
> reporting an error. This patch changes asan a tiny bit to always emit a
> summary whenever it encounters an error. This is important, otherwise a
> library user of asan will not be aware of errors that were merely printed.
> Also, all these summaries are redundant with the non-summarized printouts.
> Make the default weak implementation of report error summary not do
> anything. This means we need to remove the check for SUMMARY lines from the
> tests. This is suboptimal for testing, but printing out these redundant
> lines is just bad UI.

But I've added summaries for a reason: they help to cluster bug reports.
I'd really prefer to keep them by default.


> Please review!
> Nick
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