[clang] [clang-tools-extra] [Clang] Keep the deduced TSI in sync with its DeducedTemplateSpecializationType (PR #181105)

[via cfe-commits]

github-actions[bot] wrote:

<!--PREMERGE ADVISOR COMMENT: Linux-->
# :penguin: Linux x64 Test Results

* 103480 tests passed
* 3574 tests skipped
* 1 test failed

## Failed Tests
(click on a test name to see its output)

### llvm-libc++-shared-cfg-in
<details>
<summary>llvm-libc++-shared-cfg-in.std/algorithms/alg_sorting/alg_set_operations/set_intersection/set_intersection_complexity.pass.cpp</summary>

```
Exit Code: 1

Command Output (stdout):
--
# COMPILED WITH
/home/gha/actions-runner/_work/llvm-project/llvm-project/build/./bin/clang++ /home/gha/actions-runner/_work/llvm-project/llvm-project/libcxx/test/std/algorithms/alg.sorting/alg.set.operations/set.intersection/set_intersection_complexity.pass.cpp -pthread --target=x86_64-unknown-linux-gnu -nostdinc++ -I /home/gha/actions-runner/_work/llvm-project/llvm-project/build/runtimes/runtimes-bins/libcxx/test-suite-install/include/x86_64-unknown-linux-gnu/c++/v1 -I /home/gha/actions-runner/_work/llvm-project/llvm-project/build/runtimes/runtimes-bins/libcxx/test-suite-install/include/c++/v1 -I /home/gha/actions-runner/_work/llvm-project/llvm-project/libcxx/test/support -std=c++26 -Werror -Wall -Wctad-maybe-unsupported -Wextra -Wshadow -Wundef -Wunused-template -Wno-unused-command-line-argument -Wno-attributes -Wno-pessimizing-move -Wno-noexcept-type -Wno-atomic-alignment -Wno-reserved-module-identifier -Wdeprecated-copy -Wdeprecated-copy-dtor -Wshift-negative-value -Wno-user-defined-literals -Wno-tautological-compare -Wsign-compare -Wunused-variable -Wunused-parameter -Wunreachable-code -Wno-unused-local-typedef -Wno-local-type-template-args -Wno-c++11-extensions -Wno-unknown-pragmas -Wno-pass-failed -Wno-mismatched-new-delete -Wno-redundant-move -Wno-self-move -Wno-nullability-completeness -flax-vector-conversions=none -D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -D_LIBCPP_ENABLE_EXPERIMENTAL -Wuser-defined-warnings  -lc++experimental -nostdlib++ -L /home/gha/actions-runner/_work/llvm-project/llvm-project/build/runtimes/runtimes-bins/libcxx/test-suite-install/lib/x86_64-unknown-linux-gnu -Wl,-rpath,/home/gha/actions-runner/_work/llvm-project/llvm-project/build/runtimes/runtimes-bins/libcxx/test-suite-install/lib/x86_64-unknown-linux-gnu -lc++ -latomic -o /home/gha/actions-runner/_work/llvm-project/llvm-project/build/runtimes/runtimes-bins/libcxx/test/std/algorithms/alg.sorting/alg.set.operations/set.intersection/Output/set_intersection_complexity.pass.cpp.dir/t.tmp.exe
# executed command: /home/gha/actions-runner/_work/llvm-project/llvm-project/build/./bin/clang++ /home/gha/actions-runner/_work/llvm-project/llvm-project/libcxx/test/std/algorithms/alg.sorting/alg.set.operations/set.intersection/set_intersection_complexity.pass.cpp -pthread --target=x86_64-unknown-linux-gnu -nostdinc++ -I /home/gha/actions-runner/_work/llvm-project/llvm-project/build/runtimes/runtimes-bins/libcxx/test-suite-install/include/x86_64-unknown-linux-gnu/c++/v1 -I /home/gha/actions-runner/_work/llvm-project/llvm-project/build/runtimes/runtimes-bins/libcxx/test-suite-install/include/c++/v1 -I /home/gha/actions-runner/_work/llvm-project/llvm-project/libcxx/test/support -std=c++26 -Werror -Wall -Wctad-maybe-unsupported -Wextra -Wshadow -Wundef -Wunused-template -Wno-unused-command-line-argument -Wno-attributes -Wno-pessimizing-move -Wno-noexcept-type -Wno-atomic-alignment -Wno-reserved-module-identifier -Wdeprecated-copy -Wdeprecated-copy-dtor -Wshift-negative-value -Wno-user-defined-literals -Wno-tautological-compare -Wsign-compare -Wunused-variable -Wunused-parameter -Wunreachable-code -Wno-unused-local-typedef -Wno-local-type-template-args -Wno-c++11-extensions -Wno-unknown-pragmas -Wno-pass-failed -Wno-mismatched-new-delete -Wno-redundant-move -Wno-self-move -Wno-nullability-completeness -flax-vector-conversions=none -D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -D_LIBCPP_ENABLE_EXPERIMENTAL -Wuser-defined-warnings -lc++experimental -nostdlib++ -L /home/gha/actions-runner/_work/llvm-project/llvm-project/build/runtimes/runtimes-bins/libcxx/test-suite-install/lib/x86_64-unknown-linux-gnu -Wl,-rpath,/home/gha/actions-runner/_work/llvm-project/llvm-project/build/runtimes/runtimes-bins/libcxx/test-suite-install/lib/x86_64-unknown-linux-gnu -lc++ -latomic -o /home/gha/actions-runner/_work/llvm-project/llvm-project/build/runtimes/runtimes-bins/libcxx/test/std/algorithms/alg.sorting/alg.set.operations/set.intersection/Output/set_intersection_complexity.pass.cpp.dir/t.tmp.exe
# .---command stderr------------
# | /home/gha/actions-runner/_work/llvm-project/llvm-project/libcxx/test/std/algorithms/alg.sorting/alg.set.operations/set.intersection/set_intersection_complexity.pass.cpp:92:1: error: unused function template '<deduction guide for counted_set_intersection_result>' [-Werror,-Wunused-template]
# |    92 | counted_set_intersection_result(std::array<int, ResultSize>) -> counted_set_intersection_result<ResultSize>;
# |       | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | 1 error generated.
# `-----------------------------
# error: command failed with exit status: 1

--

```
</details>

If these failures are unrelated to your changes (for example tests are broken or flaky at HEAD), please open an issue at https://github.com/llvm/llvm-project/issues and add the `infrastructure` label.

https://github.com/llvm/llvm-project/pull/181105