[clang] Revert "[clang-format] Don't count template template parameter as declaration" (PR #96388)

[LLVM Continuous Integration via cfe-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `lldb-arm-ubuntu` running on `linaro-lldb-arm-ubuntu` while building `clang` at step 6 "test".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/18/builds/382

Here is the relevant piece of the build log for the reference:
```
Step 6 (test) failure: build (failure)
...
PASS: lldb-api :: python_api/sbvalue_synthetic/TestSBValueSynthetic.py (1054 of 2732)
PASS: lldb-api :: python_api/sbvalue_persist/TestSBValuePersist.py (1055 of 2732)
PASS: lldb-api :: python_api/sbvalue_const_addrof/TestSBValueConstAddrOf.py (1056 of 2732)
PASS: lldb-api :: python_api/section/TestSectionAPI.py (1057 of 2732)
PASS: lldb-api :: python_api/signals/TestSignalsAPI.py (1058 of 2732)
PASS: lldb-api :: python_api/sbvalue_unsigned_enum_bitfield_value/TestSBValueUnsignedEnumBitField.py (1059 of 2732)
UNSUPPORTED: lldb-api :: python_api/target-arch-from-module/TestTargetArchFromModule.py (1060 of 2732)
PASS: lldb-api :: python_api/symbol-context/TestSymbolContext.py (1061 of 2732)
PASS: lldb-api :: python_api/symbol-context/two-files/TestSymbolContextTwoFiles.py (1062 of 2732)
UNRESOLVED: lldb-api :: python_api/thread/TestThreadAPI.py (1063 of 2732)
******************** TEST 'lldb-api :: python_api/thread/TestThreadAPI.py' FAILED ********************
Script:
--
/usr/bin/python3.8 /home/tcwg-buildbot/worker/lldb-arm-ubuntu/llvm-project/lldb/test/API/dotest.py -u CXXFLAGS -u CFLAGS --env ARCHIVER=/usr/local/bin/llvm-ar --env OBJCOPY=/usr/bin/llvm-objcopy --env LLVM_LIBS_DIR=/home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/./lib --env LLVM_INCLUDE_DIR=/home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/include --env LLVM_TOOLS_DIR=/home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/./bin --arch armv8l --build-dir /home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/lldb-test-build.noindex --lldb-module-cache-dir /home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/lldb-test-build.noindex/module-cache-lldb/lldb-api --clang-module-cache-dir /home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/lldb-test-build.noindex/module-cache-clang/lldb-api --executable /home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/./bin/lldb --compiler /home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/./bin/clang --dsymutil /home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/./bin/dsymutil --llvm-tools-dir /home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/./bin --lldb-obj-root /home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/tools/lldb --lldb-libs-dir /home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/./lib /home/tcwg-buildbot/worker/lldb-arm-ubuntu/llvm-project/lldb/test/API/python_api/thread -p TestThreadAPI.py
--
Exit Code: -6

Command Output (stdout):
--
lldb version 19.0.0git (https://github.com/llvm/llvm-project.git revision 34d44eb41dfbbbf01712719558b02763334fbeb3)
  clang revision 34d44eb41dfbbbf01712719558b02763334fbeb3
  llvm revision 34d44eb41dfbbbf01712719558b02763334fbeb3

--
Command Output (stderr):
--
python3.8: ../llvm-project/llvm/include/llvm/ADT/SmallVector.h:754: iterator llvm::SmallVectorImpl<std::pair<std::weak_ptr<lldb_private::Listener>, unsigned int>>::erase(const_iterator) [T = std::pair<std::weak_ptr<lldb_private::Listener>, unsigned int>]: Assertion `this->isReferenceToStorage(CI) && "Iterator to erase is out of bounds."' failed.
PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace.
#0 0xed851e74 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/lib/python3.8/site-packages/lldb/_lldb.cpython-38-arm-linux-gnueabihf.so+0xf65e74)
#1 0xed84f894 llvm::sys::RunSignalHandlers() (/home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/lib/python3.8/site-packages/lldb/_lldb.cpython-38-arm-linux-gnueabihf.so+0xf63894)
#2 0xed85270c SignalHandler(int) (/home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/lib/python3.8/site-packages/lldb/_lldb.cpython-38-arm-linux-gnueabihf.so+0xf6670c)
#3 0xf798f530 __default_sa_restorer /build/glibc-tftl1u/glibc-2.31/signal/../sysdeps/unix/sysv/linux/arm/sigrestorer.S:67:0
#4 0xf797f7e6 /build/glibc-tftl1u/glibc-2.31/csu/../sysdeps/unix/sysv/linux/arm/libc-do-syscall.S:47:0
#5 0xf798e7fe raise /build/glibc-tftl1u/glibc-2.31/signal/../sysdeps/unix/sysv/linux/raise.c:28:1

--

********************
PASS: lldb-api :: python_api/type/TestTypeList.py (1064 of 2732)
PASS: lldb-api :: python_api/value/TestValueAPI.py (1065 of 2732)
PASS: lldb-api :: python_api/value/addr_of_void_star/TestValueAPIAddressOfVoidStar.py (1066 of 2732)
UNSUPPORTED: lldb-api :: python_api/value/change_values/libcxx/atomic/TestChangeValue.py (1067 of 2732)
PASS: lldb-api :: python_api/value/change_values/TestChangeValueAPI.py (1068 of 2732)
UNSUPPORTED: lldb-api :: python_api/value/change_values/libcxx/map/TestChangeMapValue.py (1069 of 2732)
PASS: lldb-api :: python_api/value/linked_list/TestValueAPILinkedList.py (1070 of 2732)
PASS: lldb-api :: python_api/value/empty_class/TestValueAPIEmptyClass.py (1071 of 2732)
PASS: lldb-api :: python_api/was_interrupted/TestDebuggerInterruption.py (1072 of 2732)
PASS: lldb-api :: python_api/value_var_update/TestValueVarUpdate.py (1073 of 2732)
PASS: lldb-api :: python_api/target/TestTargetAPI.py (1074 of 2732)

```

https://github.com/llvm/llvm-project/pull/96388