Changes between Version 1 and Version 4 of Ticket #14460


Ignore:
Timestamp:
Apr 16, 2013, 6:43:09 PM (10 years ago)
Author:
Jeroen Demeyer
Comment:

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  • Ticket #14460

    • Property Status changed from new to needs_review
    • Property Authors changed from to Jeroen Demeyer
    • Property Report Upstream changed from Reported upstream. No feedback yet. to Reported upstream. Developers acknowledge bug.
    • Property Priority changed from major to critical
    • Property Milestone changed from sage-5.10 to sage-5.9
  • Ticket #14460 – Description

    v1 v4  
    1 With #14452 and #14453, the are crashes in libGAP due to a GCC-4.8.0 bug: [http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56982]
     1With #14453, the are crashes in libGAP due to a GCC-4.8.0 bug: [http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56982]
     2
     3libGAP is one of the few places in Sage where non-trivial use of the `sig_on()` signal handling is actually tested, so there might be many more places where the problem could occur.
    24
    35Compiling with `-fno-tree-dominator-opts` seems to fix the issue, we should add this flag to compile Cython code with GCC >= 4.8.0.