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Re: lib/51363: ubsan (undef behaviour sanitizer) faults

The following reply was made to PR lib/51363; it has been noted by GNATS.

From: David Holland <>
Subject: Re: lib/51363: ubsan (undef behaviour sanitizer) faults
Date: Sun, 31 Jul 2016 20:25:53 +0000

 On Tue, Jul 26, 2016 at 06:50:00PM +0000, bch wrote:
  > 	libubsan should trap for undefined behaviour errors and either fail
  > gracefully w/i runtime, or continue running the ub-afflicted program.
  > My examples demonstrate that it segfaults instead.
 The overt thing that I see is:
  > CC=clang
  > /usr/src/external/gpl3/gcc/dist/libsanitizer/ubsan/
 Shouldn't clang be using clang's sanitizer support library?
 David A. Holland

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