https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94244

            Bug ID: 94244
           Summary: std::sort corrupts memory
           Product: gcc
           Version: 4.8.5
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: markd at kermodei dot com
  Target Milestone: ---

Created attachment 48076
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=48076&action=edit
program source, *.ii, *.s, and makefile

The attach program results in std::sort corrupting memory and SIGSEGVing.
I have had this happen with another program and was never able to find a
solution.

This does not fail on all platforms, however, it happens consistently on RedHat
version
I have access to:

Fails with:
  - g++ (GCC) 4.8.5 20150623 (Red Hat 4.8.5-28)
  - g++ (GCC) 7.3.1 20180303 (Red Hat 7.3.1-5)

Works with:
  - g++ (MacPorts gcc7 7.5.0_1) 7.5.0
  - g++-mp-8 (MacPorts gcc8 8.3.0_5) 8.3.0
  - Apple LLVM version 10.0.1 (clang-1001.0.46.4)
    Target: x86_64-apple-darwin18.7.0

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