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[Bug libc/22910] New: Alpha: backtrace yields infinite backtrace with makecontext with GCC 8


https://sourceware.org/bugzilla/show_bug.cgi?id=22910

            Bug ID: 22910
           Summary: Alpha: backtrace yields infinite backtrace with
                    makecontext with GCC 8
           Product: glibc
           Version: 2.28
            Status: NEW
          Severity: normal
          Priority: P2
         Component: libc
          Assignee: unassigned at sourceware dot org
          Reporter: aurelien at aurel32 dot net
                CC: drepper.fsp at gmail dot com
  Target Milestone: ---
              Host: alpha-linux-gnu
            Target: alpha-linux-gnu
             Build: alpha-linux-gnu

The tst-makecontext test fails on Alpha when libgcc1 built from GCC 8 is used.
It happens that this version is better at unwinding on alpha than the one from
GCC 7.
This is basically the same bug than #18508 but for alpha.

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