[Bug other/82368] New: [8 regression] with r253275 several new test cases in libbacktrace fail

[seurer at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82368

            Bug ID: 82368
           Summary: [8 regression] with r253275 several new test cases in
                    libbacktrace fail
           Product: gcc
           Version: 8.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: other
          Assignee: unassigned at gcc dot gnu.org
          Reporter: seurer at gcc dot gnu.org
  Target Milestone: ---

This is on powerpc64 BE.  There have been a few long time failures in here on
BE but with this revision there are some new failures.  Note that everything
including the new ones work fine on powerpc64 LE.

So after r235275:

make[1]: Entering directory
`/home/seurer/gcc/build/gcc-test/powerpc64-unknown-linux-gnu/libbacktrace'
PASS: backtrace_full noinline
PASS: backtrace_full inline
test3: [0]: NULL syminfo name
test3: [1]: NULL syminfo name
test3: [2]: NULL syminfo name
FAIL: backtrace_simple noinline
PASS: backtrace_simple inline
PASS: backtrace_syminfo variable
FAIL: btest
PASS: stest
PASS: inflate empty
PASS: inflate hello
PASS: inflate goodbye
PASS: inflate large
backtrace time: 1958740 ns
zlib time:    : 1726764 ns
percentage    : 0.881569
PASS: ztest
PASS: backtrace_full alloc stress
PASS: edtest
PASS: threaded backtrace_full noinline
PASS: ttest
PASS: backtrace_full noinline
PASS: backtrace_full inline
test3: [0]: NULL syminfo name
test3: [1]: NULL syminfo name
test3: [2]: NULL syminfo name
FAIL: backtrace_simple noinline
PASS: backtrace_simple inline
PASS: backtrace_syminfo variable
FAIL: ctestg
PASS: backtrace_full noinline
PASS: backtrace_full inline
test3: [0]: NULL syminfo name
test3: [1]: NULL syminfo name
test3: [2]: NULL syminfo name
FAIL: backtrace_simple noinline
PASS: backtrace_simple inline
PASS: backtrace_syminfo variable
FAIL: ctesta
===================
3 of 7 tests failed
===================

Previously it was like this:

make[1]: Entering directory
`/home/seurer/gcc/build/gcc-test/powerpc64-unknown-linux-gnu/libbacktrace'
PASS: backtrace_full noinline
PASS: backtrace_full inline
test3: [0]: NULL syminfo name
test3: [1]: NULL syminfo name
test3: [2]: NULL syminfo name
FAIL: backtrace_simple noinline
PASS: backtrace_simple inline
test5: unexpected syminfo name got elf_add expected global
FAIL: backtrace_syminfo variable
FAIL: btest
PASS: stest
PASS: backtrace_full alloc stress
PASS: edtest
PASS: threaded backtrace_full noinline
PASS: ttest
===================
1 of 4 tests failed
===================