The https://reviews.llvm.org/D68209 is candidate to resolve this.

FYI, after D68209 has landed and the test got reenabled, it is failing on my machine (Arch Linux) with the following output:

FAIL: lldb-api :: functionalities/param_entry_vals/basic_entry_values_x86_64/TestBasicEntryValuesX86_64.py (1085 of 1831)
******************** TEST 'lldb-api :: functionalities/param_entry_vals/basic_entry_values_x86_64/TestBasicEntryValuesX86_64.py' FAILED ********************
lldb version 10.0.0 (git@github.com:Teemperor/llvm-project revision 2a873a2)
clang revision 2a873a2
llvm revision 2a873a2
LLDB library dir: /home/teemperor/work/ci/build/bin
LLDB import library dir: /home/teemperor/work/ci/build/bin
Skipping following debug info categories: ['dsym', 'gmodules']

Session logs for test failures/errors/unexpected successes will go into directory '/home/teemperor/work/ci/build/lldb-test-traces'
Command invoked: /home/teemperor/work/ci/llvm/lldb/test/API/dotest.py --arch=x86_64 -s /home/teemperor/work/ci/build/lldb-test-traces -S nm -u CXXFLAGS -u CFLAGS --executable /home/teemperor/work/ci/build/./bin/lldb --compiler /home/teemperor/work/ci/build/./bin/clang --dsymutil /home/teemperor/work/ci/build/./bin/dsymutil --filecheck /home/teemperor/work/ci/build/./bin/FileCheck --env ARCHIVER=/usr/bin/ar --env OBJCOPY=/usr/bin/objcopy --env LLVM_LIBS_DIR=/home/teemperor/work/ci/build/./lib --build-dir /home/teemperor/work/ci/build/lldb-test-build.noindex --lldb-module-cache-dir /home/teemperor/work/ci/build/lldb-test-build.noindex/module-cache-lldb/lldb-api --clang-module-cache-dir /home/teemperor/work/ci/build/lldb-test-build.noindex/module-cache-clang/lldb-api /home/teemperor/work/ci/llvm/lldb/packages/Python/lldbsuite/test/functionalities/param_entry_vals/basic_entry_values_x86_64 -p TestBasicEntryValuesX86_64.py
UNSUPPORTED: LLDB (/home/teemperor/work/ci/build/bin/clang-10-x86_64) :: test_dsym (lldbsuite.test.lldbtest.TestBasicEntryValuesX86_64) (test case does not fall in any category of interest for this run)

--- FileCheck trace (code=1) ---
/home/teemperor/work/ci/build/bin/FileCheck /home/teemperor/work/ci/llvm/lldb/packages/Python/lldbsuite/test/functionalities/param_entry_vals/basic_entry_values_x86_64/main.cpp -check-prefix=FUNC11-BT

FileCheck input:

• thread #​1, name = 'a.out', stop reason = breakpoint 10.1
  • frame #​0: 0x0000000000401204 a.outfunc11_tailcalled(sink=0x00007ffe292a7ffc, x=123) at main.cpp:160:3 [opt] frame #​1: 0x0000000000401226 a.outfunc12(sink=0x00007ffe292a7ffc, x=123) at main.cpp:179:3 [opt]
    frame #​2: 0x00000000004012dd a.outmain at main.cpp:242:3 [opt] frame #​3: 0x00007f36e4c43153 libc.so.6__libc_start_main + 243
    frame #​4: 0x000000000040104e a.out`_start + 46

FileCheck output:

/home/teemperor/work/ci/llvm/lldb/packages/Python/lldbsuite/test/functionalities/param_entry_vals/basic_entry_values_x86_64/main.cpp:159:21: error: FUNC11-BT-NEXT: expected string not found in input
// FUNC11-BT-NEXT: func12{{.*}} [artificial]
^
:3:2: note: scanning from here
frame #​1: 0x0000000000401226 a.outfunc12(sink=0x00007ffe292a7ffc, x=123) at main.cpp:179:3 [opt] ^ <stdin>:3:37: note: possible intended match here frame #&#8203;1: 0x0000000000401226 a.outfunc12(sink=0x00007ffe292a7ffc, x=123) at main.cpp:179:3 [opt]
^

FAIL: LLDB (/home/teemperor/work/ci/build/bin/clang-10-x86_64) :: test_dwarf (lldbsuite.test.lldbtest.TestBasicEntryValuesX86_64)

--- FileCheck trace (code=1) ---
/home/teemperor/work/ci/build/bin/FileCheck /home/teemperor/work/ci/llvm/lldb/packages/Python/lldbsuite/test/functionalities/param_entry_vals/basic_entry_values_x86_64/main.cpp -check-prefix=FUNC11-BT

FileCheck input:

• thread #​1, name = 'a.out', stop reason = breakpoint 10.1
  • frame #​0: 0x0000000000401204 a.outfunc11_tailcalled(sink=0x00007ffe2fd71eec, x=123) at main.cpp:160:3 [opt] frame #​1: 0x0000000000401226 a.outfunc12(sink=0x00007ffe2fd71eec, x=123) at main.cpp:179:3 [opt]
    frame #​2: 0x00000000004012dd a.outmain at main.cpp:242:3 [opt] frame #​3: 0x00007fe4c426f153 libc.so.6__libc_start_main + 243
    frame #​4: 0x000000000040104e a.out`_start + 46

FileCheck output:

/home/teemperor/work/ci/llvm/lldb/packages/Python/lldbsuite/test/functionalities/param_entry_vals/basic_entry_values_x86_64/main.cpp:159:21: error: FUNC11-BT-NEXT: expected string not found in input
// FUNC11-BT-NEXT: func12{{.*}} [artificial]
^
:3:2: note: scanning from here
frame #​1: 0x0000000000401226 a.outfunc12(sink=0x00007ffe2fd71eec, x=123) at main.cpp:179:3 [opt] ^ <stdin>:3:37: note: possible intended match here frame #&#8203;1: 0x0000000000401226 a.outfunc12(sink=0x00007ffe2fd71eec, x=123) at main.cpp:179:3 [opt]
^

FAIL: LLDB (/home/teemperor/work/ci/build/bin/clang-10-x86_64) :: test_dwo (lldbsuite.test.lldbtest.TestBasicEntryValuesX86_64)
UNSUPPORTED: LLDB (/home/teemperor/work/ci/build/bin/clang-10-x86_64) :: test_gmodules (lldbsuite.test.lldbtest.TestBasicEntryValuesX86_64) (test case does not fall in any category of interest for this run)

FAIL: test_dwarf (lldbsuite.test.lldbtest.TestBasicEntryValuesX86_64)

Traceback (most recent call last):
File "/home/teemperor/work/ci/llvm/lldb/packages/Python/lldbsuite/test/lldbtest.py", line 1732, in test_method
return attrvalue(self)
File "/home/teemperor/work/ci/llvm/lldb/packages/Python/lldbsuite/test/decorators.py", line 141, in wrapper
func(*args, **kwargs)
File "/home/teemperor/work/ci/llvm/lldb/packages/Python/lldbsuite/test/decorators.py", line 141, in wrapper
func(*args, **kwargs)
File "/home/teemperor/work/ci/llvm/lldb/packages/Python/lldbsuite/test/decorators.py", line 141, in wrapper
func(*args, **kwargs)
[Previous line repeated 1 more time]
File "/home/teemperor/work/ci/llvm/lldb/packages/Python/lldbsuite/test/lldbinline.py", line 124, in _test
self.do_test()
File "/home/teemperor/work/ci/llvm/lldb/packages/Python/lldbsuite/test/lldbinline.py", line 147, in do_test
parser.handle_breakpoint(self, breakpoint_id)
File "/home/teemperor/work/ci/llvm/lldb/packages/Python/lldbsuite/test/lldbinline.py", line 80, in handle_breakpoint
test.execute_user_command(breakpoint['command'])
File "/home/teemperor/work/ci/llvm/lldb/packages/Python/lldbsuite/test/lldbinline.py", line 127, in execute_user_command
exec(__command, globals(), locals())
File "", line 1, in
File "/home/teemperor/work/ci/llvm/lldb/packages/Python/lldbsuite/test/lldbtest.py", line 2252, in filecheck
self.assertTrue(cmd_status == 0)
AssertionError: False is not True
Config=x86_64-/home/teemperor/work/ci/build/bin/clang-10

FAIL: test_dwo (lldbsuite.test.lldbtest.TestBasicEntryValuesX86_64)

Traceback (most recent call last):
File "/home/teemperor/work/ci/llvm/lldb/packages/Python/lldbsuite/test/lldbtest.py", line 1732, in test_method
return attrvalue(self)
File "/home/teemperor/work/ci/llvm/lldb/packages/Python/lldbsuite/test/decorators.py", line 141, in wrapper
func(*args, **kwargs)
File "/home/teemperor/work/ci/llvm/lldb/packages/Python/lldbsuite/test/decorators.py", line 141, in wrapper
func(*args, **kwargs)
File "/home/teemperor/work/ci/llvm/lldb/packages/Python/lldbsuite/test/decorators.py", line 141, in wrapper
func(*args, **kwargs)
[Previous line repeated 1 more time]
File "/home/teemperor/work/ci/llvm/lldb/packages/Python/lldbsuite/test/lldbinline.py", line 124, in _test
self.do_test()
File "/home/teemperor/work/ci/llvm/lldb/packages/Python/lldbsuite/test/lldbinline.py", line 147, in do_test
parser.handle_breakpoint(self, breakpoint_id)
File "/home/teemperor/work/ci/llvm/lldb/packages/Python/lldbsuite/test/lldbinline.py", line 80, in handle_breakpoint
test.execute_user_command(breakpoint['command'])
File "/home/teemperor/work/ci/llvm/lldb/packages/Python/lldbsuite/test/lldbinline.py", line 127, in execute_user_command
exec(__command, globals(), locals())
File "", line 1, in
File "/home/teemperor/work/ci/llvm/lldb/packages/Python/lldbsuite/test/lldbtest.py", line 2252, in filecheck
self.assertTrue(cmd_status == 0)
AssertionError: False is not True
Config=x86_64-/home/teemperor/work/ci/build/bin/clang-10

Ran 4 tests in 6.379s

RESULT: FAILED (0 passes, 2 failures, 0 errors, 2 skipped, 0 expected failures, 0 unexpected successes)

Reverted while investigating. Thanks!

This has been resolved with the rG4b4ede440a2a.

mentioned in issue #43461