#20738: singular 3.1.7 fails to build using GCC 6
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       Reporter:  aapitzsch          |        Owner:
           Type:  defect             |       Status:  positive_review
       Priority:  major              |    Milestone:  sage-7.3
      Component:  build              |   Resolution:
       Keywords:  GCC6 c++11         |    Merged in:
        Authors:  André Apitzsch     |    Reviewers:  Volker Braun
Report Upstream:  N/A                |  Work issues:
         Branch:                     |       Commit:
  u/aapitzsch/gcc6issue              |  04c0af9477f794f5d00a1c813725049d340bf4bd
   Dependencies:                     |     Stopgaps:
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Comment (by leif):

 All of the above Singular-related failures vanish when building Singular
 with `-O1 -fno-delete-null-pointer-checks`, so there's more optimization
 options we apparently have to disable with GCC 6.1.0.

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Ticket URL: <https://trac.sagemath.org/ticket/20738#comment:13>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica, 
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