stella.stamenova added a comment.

In https://reviews.llvm.org/D50478#1262717, @vsk wrote:

> In https://reviews.llvm.org/D50478#1262710, @stella.stamenova wrote:
>
> > Unfortunately, the bots are broken because of the FileCheck issue, so I 
> > can't confirm with them, but I see a number of these tests fail in our 
> > local testing. Some fail on both Windows and Linux and some just fail on 
> > Linux. Here are the failing tests:
> >
> >   Linux:
> >   lldb-Suite :: 
> > functionalities/tail_call_frames/disambiguate_call_site/TestDisambiguateCallSite.py
> >   lldb-Suite :: 
> > functionalities/tail_call_frames/disambiguate_paths_to_common_sink/TestDisambiguatePathsToCommonSink.py
> >   lldb-Suite :: 
> > functionalities/tail_call_frames/disambiguate_tail_call_seq/TestDisambiguateTailCallSeq.py
> >   lldb-Suite :: 
> > functionalities/tail_call_frames/inlining_and_tail_calls/TestInliningAndTailCalls.py
> >   lldb-Suite :: 
> > functionalities/tail_call_frames/sbapi_support/TestTailCallFrameSBAPI.py
> >   lldb-Suite :: 
> > functionalities/tail_call_frames/thread_step_out_message/TestArtificialFrameStepOutMessage.py
> >   lldb-Suite :: 
> > functionalities/tail_call_frames/unambiguous_sequence/TestUnambiguousTailCalls.py
> >  
> >   Windows:
> >   lldb-Suite :: 
> > functionalities/tail_call_frames/sbapi_support/TestTailCallFrameSBAPI.py
> >   lldb-Suite :: 
> > functionalities/tail_call_frames/thread_step_out_or_return/TestSteppingOutWithArtificialFrames.py
> >
> >
> > Let me know what you need to investigate.
>
>
> Strange, I didn't get any bot failure notifications in the days after this 
> landed. Could you share the output from the failing tests?


All the failures on Windows are happening when validating the function name. 
For example:

  ======================================================================
  
  FAIL: test_tail_call_frame_sbapi 
(TestTailCallFrameSBAPI.TestTailCallFrameSBAPI)
  
  ----------------------------------------------------------------------
  
  Traceback (most recent call last):
  
    File 
"E:\_work\55\s\llvm\tools\lldb\packages\Python\lldbsuite\test\functionalities\tail_call_frames\sbapi_support\TestTailCallFrameSBAPI.py",
 line 19, in test_tail_call_frame_sbapi
  
      self.do_test()
  
    File 
"E:\_work\55\s\llvm\tools\lldb\packages\Python\lldbsuite\test\functionalities\tail_call_frames\sbapi_support\TestTailCallFrameSBAPI.py",
 line 64, in do_test
  
      self.assertTrue(frame.GetDisplayFunctionName() == name)
  
  AssertionError: False is not True
  
  Config=x86_64-E:\_work\55\b\LLVMBuild\Release\bin\clang.exe
  
  ----------------------------------------------------------------------

There are several different failures on Linux. Here's the first one:

  FAIL: LLDB (/vstsdrive/_work/38/b/LLVMBuild/bin/clang-8-x86_64) :: test_dwarf 
(lldbsuite.test.lldbtest.TestDisambiguateCallSite)
  
  --- FileCheck trace (code=1) ---
  /vstsdrive/_work/38/b/LLVMBuild/bin/FileCheck 
/vstsdrive/_work/38/s/llvm/tools/lldb/packages/Python/lldbsuite/test/functionalities/tail_call_frames/disambiguate_call_site/main.cpp
 -implicit-check-not=artificial
  
  FileCheck input:
  * thread #1, name = 'a.out', stop reason = breakpoint 1.1
    * frame #0: 0x0000000000400580 a.out`sink() at main.cpp:13:4 [opt]
      frame #1: 0x00000000004005b8 a.out`main(argc=1, (null)=<unavailable>) at 
main.cpp:28:3 [opt]
      frame #2: 0x00007f980aff7830 libc.so.6`__libc_start_main + 240
      frame #3: 0x00000000004004a9 a.out`_start + 41
  
  
  FileCheck output:
  
  
/vstsdrive/_work/38/s/llvm/tools/lldb/packages/Python/lldbsuite/test/functionalities/tail_call_frames/disambiguate_call_site/main.cpp:15:17:
 error: CHECK-NEXT: expected string not found in input
   // CHECK-NEXT: func2{{.*}} [opt] [artificial]
                  ^
  <stdin>:3:2: note: scanning from here
   frame #1: 0x00000000004005b8 a.out`main(argc=1, (null)=<unavailable>) at 
main.cpp:28:3 [opt]
   ^
  <stdin>:3:80: note: possible intended match here
   frame #1: 0x00000000004005b8 a.out`main(argc=1, (null)=<unavailable>) at 
main.cpp:28:3 [opt]
                                                                                
^

Let me know if you need more logs.


Repository:
  rLLDB LLDB

https://reviews.llvm.org/D50478



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