[llvm-bugs] [Bug 51675] New: [libc++][PowerPC] gdb_pretty_printer_test.sh.cpp test case failure

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=51675

            Bug ID: 51675
           Summary: [libc++][PowerPC] gdb_pretty_printer_test.sh.cpp test
                    case failure
           Product: new-bugs
           Version: trunk
          Hardware: Other
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: new bugs
          Assignee: unassignedbugs at nondot.org
          Reporter: amyk.ibm at gmail.com
                CC: htmldeveloper at gmail.com, llvm-bugs at lists.llvm.org

The gdb_pretty_printer_test.sh.cpp was recently enabled to run on PowerPC since
this commit:

commit 6427c53940a3d66ba90f72075554431066c5919d
Author: Louis Dionne <ldionne.2 at gmail.com>
Date:   Wed Mar 24 16:45:55 2021 -0400

    [libc++] Use add_lit_testsuite to register the libc++ test suite

    The Runtimes build uses variables set by add_lit_testsuite to discover
    tests suites to run.

    Differential Revision: https://reviews.llvm.org/D97913


I happen to test on one of our RHEL 8.2 machines, and the following behaviour
of this test occurs during run time:

$ "/usr/bin/gdb" "-nx" "-batch" "-iex" "set autoload off" "-ex" "source
/home/amyk/llvm/dev/llvm-project/libcxx/test/libcxx/gdb/../../../utils/gdb/libcxx/printers.py"
"-ex" "python register_libcxx_printer_loader()" "-ex" "source
/home/amyk/llvm/dev/llvm-project/libcxx/test/libcxx/gdb/gdb_pretty_printer_test.py"
"/home/amyk/llvm/dev/build/projects/libcxx/test/libcxx/gdb/Output/gdb_pretty_printer_test.sh.cpp.dir/t.tmp.exe"
No symbol table is loaded.  Use the "file" command.
Breakpoint 1 at 0x10002968: file
llvm/dev/llvm-project/libcxx/test/libcxx/gdb/gdb_pretty_printer_test.sh.cpp,
line 67.
Loading libc++ pretty-printers.
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib64/power9/libthread_db.so.1".
FAIL: Something is wrong in the test framework.
value has been optimized out
FAIL: Something is wrong in the test framework.
value has been optimized out
PASS:
llvm/dev/llvm-project/libcxx/test/libcxx/gdb/gdb_pretty_printer_test.sh.cpp:170
PASS:
llvm/dev/llvm-project/libcxx/test/libcxx/gdb/gdb_pretty_printer_test.sh.cpp:174
PASS:
llvm/dev/llvm-project/libcxx/test/libcxx/gdb/gdb_pretty_printer_test.sh.cpp:179
PASS:
llvm/dev/llvm-project/libcxx/test/libcxx/gdb/gdb_pretty_printer_test.sh.cpp:184
FAIL: Something is wrong in the test framework.
value has been optimized out
FAIL: Something is wrong in the test framework.
value has been optimized out
FAIL: Something is wrong in the test framework.
value has been optimized out
FAIL: Something is wrong in the test framework.
value has been optimized out
PASS:
llvm/dev/llvm-project/libcxx/test/libcxx/gdb/gdb_pretty_printer_test.sh.cpp:217
PASS:
llvm/dev/llvm-project/libcxx/test/libcxx/gdb/gdb_pretty_printer_test.sh.cpp:222
FAIL: Something is wrong in the test framework.
value has been optimized out
FAIL: Something is wrong in the test framework.
value has been optimized out
FAIL: Something is wrong in the test framework.
value has been optimized out
FAIL: Something is wrong in the test framework.
value has been optimized out
FAIL: Something is wrong in the test framework.
value has been optimized out
FAIL: Something is wrong in the test framework.
value has been optimized out
FAIL: Something is wrong in the test framework.
value has been optimized out
FAIL: Something is wrong in the test framework.
value has been optimized out
PASS:
llvm/dev/llvm-project/libcxx/test/libcxx/gdb/gdb_pretty_printer_test.sh.cpp:243
PASS:
llvm/dev/llvm-project/libcxx/test/libcxx/gdb/gdb_pretty_printer_test.sh.cpp:246
PASS:
llvm/dev/llvm-project/libcxx/test/libcxx/gdb/gdb_pretty_printer_test.sh.cpp:249
PASS:
llvm/dev/llvm-project/libcxx/test/libcxx/gdb/gdb_pretty_printer_test.sh.cpp:257
FAIL: Something is wrong in the test framework.
value has been optimized out
FAIL: Something is wrong in the test framework.
value has been optimized out
FAIL: Something is wrong in the test framework.
value has been optimized out
FAIL: Something is wrong in the test framework.
value has been optimized out
FAIL: Something is wrong in the test framework.
value has been optimized out
FAIL: Something is wrong in the test framework.
value has been optimized out
FAIL: Something is wrong in the test framework.
value has been optimized out
FAIL: Something is wrong in the test framework.
value has been optimized out
FAIL: Something is wrong in the test framework.
value has been optimized out
FAIL: Something is wrong in the test framework.
value has been optimized out
FAIL: Something is wrong in the test framework.
value has been optimized out
FAIL: Something is wrong in the test framework.
value has been optimized out
FAIL: Something is wrong in the test framework.
value has been optimized out
FAIL: Something is wrong in the test framework.
value has been optimized out
FAIL: Something is wrong in the test framework.
value has been optimized out
FAIL: Something is wrong in the test framework.
value has been optimized out
FAIL: Something is wrong in the test framework.
value has been optimized out
FAIL: Something is wrong in the test framework.
value has been optimized out
FAIL: Something is wrong in the test framework.
value has been optimized out
FAIL: Something is wrong in the test framework.
value has been optimized out
FAIL: Something is wrong in the test framework.
value has been optimized out
FAIL: Something is wrong in the test framework.
value has been optimized out
FAIL: Something is wrong in the test framework.
value has been optimized out
FAIL: Something is wrong in the test framework.
value has been optimized out
FAIL: Something is wrong in the test framework.
value has been optimized out
FAIL: Something is wrong in the test framework.
value has been optimized out
FAIL: Something is wrong in the test framework.
value has been optimized out
FAIL: Something is wrong in the test framework.
value has been optimized out
FAIL: Something is wrong in the test framework.
value has been optimized out
FAIL: Something is wrong in the test framework.
value has been optimized out
FAIL: Something is wrong in the test framework.
value has been optimized out
FAIL: Something is wrong in the test framework.
value has been optimized out
FAIL: Something is wrong in the test framework.
value has been optimized out
FAIL: Something is wrong in the test framework.
value has been optimized out
FAIL: Something is wrong in the test framework.
value has been optimized out
FAIL: Something is wrong in the test framework.
value has been optimized out
FAIL: Something is wrong in the test framework.
value has been optimized out
FAIL: Something is wrong in the test framework.
value has been optimized out
FAIL: Something is wrong in the test framework.
value has been optimized out
FAIL: Something is wrong in the test framework.
value has been optimized out
FAIL: Something is wrong in the test framework.
value has been optimized out
FAIL: Something is wrong in the test framework.
value has been optimized out
FAIL: Something is wrong in the test framework.
value has been optimized out
FAIL: Something is wrong in the test framework.
value has been optimized out
FAIL: Something is wrong in the test framework.
value has been optimized out
FAIL: Something is wrong in the test framework.
value has been optimized out
FAIL: Something is wrong in the test framework.
value has been optimized out
FAIL: Something is wrong in the test framework.
value has been optimized out
FAIL: Something is wrong in the test framework.
value has been optimized out
FAIL: Something is wrong in the test framework.
value has been optimized out
FAIL: Something is wrong in the test framework.
value has been optimized out
FAIL: Something is wrong in the test framework.
value has been optimized out
FAIL: Something is wrong in the test framework.
value has been optimized out
FAIL: Something is wrong in the test framework.
value has been optimized out
FAIL: Something is wrong in the test framework.
value has been optimized out
FAIL: Something is wrong in the test framework.
value has been optimized out
FAIL: Something is wrong in the test framework.
value has been optimized out
FAIL: Something is wrong in the test framework.
value has been optimized out
FAIL: Something is wrong in the test framework.
value has been optimized out
FAIL: Something is wrong in the test framework.
value has been optimized out
FAIL: Something is wrong in the test framework.
value has been optimized out
FAIL: Something is wrong in the test framework.
value has been optimized out
FAIL: Something is wrong in the test framework.
value has been optimized out
FAIL: Something is wrong in the test framework.
value has been optimized out
FAIL: Something is wrong in the test framework.
value has been optimized out
FAIL: Something is wrong in the test framework.
value has been optimized out
FAIL: Something is wrong in the test framework.
value has been optimized out
FAIL: Something is wrong in the test framework.
value has been optimized out
PASS:
llvm/dev/llvm-project/libcxx/test/libcxx/gdb/gdb_pretty_printer_test.sh.cpp:603
PASS:
llvm/dev/llvm-project/libcxx/test/libcxx/gdb/gdb_pretty_printer_test.sh.cpp:639
PASS:
llvm/dev/llvm-project/libcxx/test/libcxx/gdb/gdb_pretty_printer_test.sh.cpp:643
PASS:
llvm/dev/llvm-project/libcxx/test/libcxx/gdb/gdb_pretty_printer_test.sh.cpp:648
[Inferior 1 (process 708433) exited normally]
FAILED 82 cases

Investigation is ongoing...

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