[clang] [lldb] [clang] fix alias ctad producing function template with no template parameters (PR #195303)

[LLVM Continuous Integration via cfe-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `flang-aarch64-latest-gcc` running on `linaro-flang-aarch64-latest-gcc` while building `clang,lldb` at step 6 "test-build-unified-tree-check-flang".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/130/builds/19118

<details>
<summary>Here is the relevant piece of the build log for the reference</summary>

```
Step 6 (test-build-unified-tree-check-flang) failure: test (failure)
...
PASS: Flang :: Lower/volatile-derived-type.f90 (2304 of 4297)
PASS: Flang :: Lower/volatile-string.f90 (2305 of 4297)
PASS: Flang :: Lower/vector-subscript-io.f90 (2306 of 4297)
PASS: Flang :: Lower/volatile1.f90 (2307 of 4297)
PASS: Flang :: Lower/volatile-allocatable1.f90 (2308 of 4297)
PASS: Flang :: Lower/volatile2.f90 (2309 of 4297)
PASS: Flang :: Lower/volatile-derived-type-pointer.f90 (2310 of 4297)
PASS: Flang :: Lower/volatile-allocatable.f90 (2311 of 4297)
PASS: Flang :: Lower/volatile4.f90 (2312 of 4297)
UNRESOLVED: Flang :: Parser/OpenMP/affinity-clause.f90 (2313 of 4297)
******************** TEST 'Flang :: Parser/OpenMP/affinity-clause.f90' FAILED ********************
Exception during script execution:
Traceback (most recent call last):
  File "/usr/lib/python3.12/pathlib.py", line 1313, in mkdir
    os.mkdir(self, mode)
FileNotFoundError: [Errno 2] No such file or directory: '/home/tcwg-buildbot/worker/flang-aarch64-latest-gcc/build/tools/flang/test/Parser/OpenMP/Output'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/lib/python3.12/pathlib.py", line 1313, in mkdir
    os.mkdir(self, mode)
FileNotFoundError: [Errno 2] No such file or directory: '/home/tcwg-buildbot/worker/flang-aarch64-latest-gcc/build/tools/flang/test/Parser/OpenMP'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/tcwg-buildbot/worker/flang-aarch64-latest-gcc/llvm-project/llvm/utils/lit/lit/worker.py", line 77, in _execute_test_handle_errors
    result = test.config.test_format.execute(test, lit_config)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/tcwg-buildbot/worker/flang-aarch64-latest-gcc/llvm-project/llvm/utils/lit/lit/formats/shtest.py", line 29, in execute
    return lit.TestRunner.executeShTest(
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/tcwg-buildbot/worker/flang-aarch64-latest-gcc/llvm-project/llvm/utils/lit/lit/TestRunner.py", line 1973, in executeShTest
    return _runShTest(test, litConfig, useExternalSh, script, tmpBase)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/tcwg-buildbot/worker/flang-aarch64-latest-gcc/llvm-project/llvm/utils/lit/lit/TestRunner.py", line 1876, in _runShTest
    pathlib.Path(tmpBase).parent.mkdir(parents=True, exist_ok=True)
  File "/usr/lib/python3.12/pathlib.py", line 1317, in mkdir
    self.parent.mkdir(parents=True, exist_ok=True)
  File "/usr/lib/python3.12/pathlib.py", line 1317, in mkdir
    self.parent.mkdir(parents=True, exist_ok=True)
  File "/usr/lib/python3.12/pathlib.py", line 1313, in mkdir
    os.mkdir(self, mode)
OSError: [Errno 28] No space left on device: '/home/tcwg-buildbot/worker/flang-aarch64-latest-gcc/build/tools/flang/test/Parser'


********************
UNRESOLVED: Flang :: Parser/OpenMP/allocate-align-tree.f90 (2314 of 4297)

```

</details>

https://github.com/llvm/llvm-project/pull/195303