[lldb-dev] [Bug 44161] New: TestTrivialABI.py fails on AArch64 Ubuntu

[via lldb-dev]

https://bugs.llvm.org/show_bug.cgi?id=44161

            Bug ID: 44161
           Summary: TestTrivialABI.py fails on AArch64 Ubuntu
           Product: lldb
           Version: unspecified
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: All Bugs
          Assignee: lldb-dev at lists.llvm.org
          Reporter: diana.picus at linaro.org
                CC: jdevlieghere at apple.com, llvm-bugs at lists.llvm.org

FAIL: test_call_nontrivial (TestTrivialABI.TestTrivialABI)
   Test that we can print a variable & call a function on the same class w/o
the trivial ABI marker.
----------------------------------------------------------------------
Traceback (most recent call last):
  File
"/home/diana.picus/llvm-envs/lldb/llvm/lldb/packages/Python/lldbsuite/test/decorators.py",
line 141, in wrapper
    func(*args, **kwargs)
  File
"/home/diana.picus/llvm-envs/lldb/llvm/lldb/packages/Python/lldbsuite/test/decorators.py",
line 111, in wrapper
    func(*args, **kwargs)
  File
"/home/diana.picus/llvm-envs/lldb/llvm/lldb/packages/Python/lldbsuite/test/lang/cpp/trivial_abi/TestTrivialABI.py",
line 34, in test_call_nontrivial
    self.expr_test(False) 
  File
"/home/diana.picus/llvm-envs/lldb/llvm/lldb/packages/Python/lldbsuite/test/lang/cpp/trivial_abi/TestTrivialABI.py",
line 74, in expr_test
    self.check_frame(threads[0])
  File
"/home/diana.picus/llvm-envs/lldb/llvm/lldb/packages/Python/lldbsuite/test/lang/cpp/trivial_abi/TestTrivialABI.py",
line 59, in check_frame
    self.check_value(outVal_ret, 30)
  File
"/home/diana.picus/llvm-envs/lldb/llvm/lldb/packages/Python/lldbsuite/test/lang/cpp/trivial_abi/TestTrivialABI.py",
line 41, in check_value
    self.assertTrue(test_var.GetError().Success(), "Invalid valobj:
%s"%(test_var.GetError().GetCString()))
AssertionError: False is not True : Invalid valobj: error: No value

Stepping out seems to work ok, the backtraces before and after look sane:
*** Before ***
runCmd: thread backtrace
output: * thread #1, name = 'a.out', stop reason = breakpoint 1.1
  * frame #0: 0x0000000000400704 a.out`takeTrivial(inVal=(ivar = 10)) at
main.cpp:10:3
    frame #1: 0x00000000004007cc a.out`main at main.cpp:29:12
    frame #2: 0x0000ffffb7c448a0 libc.so.6`__libc_start_main + 224
    frame #3: 0x00000000004005f8 a.out`_start + 40

*** After stepping out ***
runCmd: thread backtrace
output: * thread #1, name = 'a.out', stop reason = step out

  * frame #0: 0x00000000004007cc a.out`main at main.cpp:29:12
    frame #1: 0x0000ffffb7c448a0 libc.so.6`__libc_start_main + 224
    frame #2: 0x00000000004005f8 a.out`_start + 40

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