[clang] [clang-format] Handle template opener/closer in braced list (PR #112494)

[LLVM Continuous Integration via cfe-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `clang-aarch64-sve-vls` running on `linaro-g3-04` while building `clang` at step 7 "ninja check 1".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/143/builds/2862

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

```
Step 7 (ninja check 1) failure: stage 1 checked (failure)
******************** TEST 'DataFlowSanitizer-aarch64 :: release_shadow_space.c' FAILED ********************
Exit Code: 134

Command Output (stderr):
--
RUN: at line 1: /home/tcwg-buildbot/worker/clang-aarch64-sve-vls/stage1/./bin/clang  -fsanitize=dataflow   -Wthread-safety -Wthread-safety-reference -Wthread-safety-beta   /home/tcwg-buildbot/worker/clang-aarch64-sve-vls/llvm/compiler-rt/test/dfsan/release_shadow_space.c -o /home/tcwg-buildbot/worker/clang-aarch64-sve-vls/stage1/runtimes/runtimes-bins/compiler-rt/test/dfsan/AARCH64Config/Output/release_shadow_space.c.tmp &&  /home/tcwg-buildbot/worker/clang-aarch64-sve-vls/stage1/runtimes/runtimes-bins/compiler-rt/test/dfsan/AARCH64Config/Output/release_shadow_space.c.tmp
+ /home/tcwg-buildbot/worker/clang-aarch64-sve-vls/stage1/./bin/clang -fsanitize=dataflow -Wthread-safety -Wthread-safety-reference -Wthread-safety-beta /home/tcwg-buildbot/worker/clang-aarch64-sve-vls/llvm/compiler-rt/test/dfsan/release_shadow_space.c -o /home/tcwg-buildbot/worker/clang-aarch64-sve-vls/stage1/runtimes/runtimes-bins/compiler-rt/test/dfsan/AARCH64Config/Output/release_shadow_space.c.tmp
+ /home/tcwg-buildbot/worker/clang-aarch64-sve-vls/stage1/runtimes/runtimes-bins/compiler-rt/test/dfsan/AARCH64Config/Output/release_shadow_space.c.tmp
RSS at start: 2844, after mmap: 105244, after mmap+set label: 207648, after fixed map: 2848, after another mmap+set label: 207648, after munmap: 2848
RUN: at line 2: /home/tcwg-buildbot/worker/clang-aarch64-sve-vls/stage1/./bin/clang  -fsanitize=dataflow   -Wthread-safety -Wthread-safety-reference -Wthread-safety-beta   /home/tcwg-buildbot/worker/clang-aarch64-sve-vls/llvm/compiler-rt/test/dfsan/release_shadow_space.c -o /home/tcwg-buildbot/worker/clang-aarch64-sve-vls/stage1/runtimes/runtimes-bins/compiler-rt/test/dfsan/AARCH64Config/Output/release_shadow_space.c.tmp &&  /home/tcwg-buildbot/worker/clang-aarch64-sve-vls/stage1/runtimes/runtimes-bins/compiler-rt/test/dfsan/AARCH64Config/Output/release_shadow_space.c.tmp
+ /home/tcwg-buildbot/worker/clang-aarch64-sve-vls/stage1/./bin/clang -fsanitize=dataflow -Wthread-safety -Wthread-safety-reference -Wthread-safety-beta /home/tcwg-buildbot/worker/clang-aarch64-sve-vls/llvm/compiler-rt/test/dfsan/release_shadow_space.c -o /home/tcwg-buildbot/worker/clang-aarch64-sve-vls/stage1/runtimes/runtimes-bins/compiler-rt/test/dfsan/AARCH64Config/Output/release_shadow_space.c.tmp
+ /home/tcwg-buildbot/worker/clang-aarch64-sve-vls/stage1/runtimes/runtimes-bins/compiler-rt/test/dfsan/AARCH64Config/Output/release_shadow_space.c.tmp
RSS at start: 2828, after mmap: 105228, after mmap+set label: 207632, after fixed map: 2832, after another mmap+set label: 207632, after munmap: 2832
RUN: at line 3: /home/tcwg-buildbot/worker/clang-aarch64-sve-vls/stage1/./bin/clang  -fsanitize=dataflow   -Wthread-safety -Wthread-safety-reference -Wthread-safety-beta   /home/tcwg-buildbot/worker/clang-aarch64-sve-vls/llvm/compiler-rt/test/dfsan/release_shadow_space.c -DORIGIN_TRACKING -mllvm -dfsan-track-origins=1 -o /home/tcwg-buildbot/worker/clang-aarch64-sve-vls/stage1/runtimes/runtimes-bins/compiler-rt/test/dfsan/AARCH64Config/Output/release_shadow_space.c.tmp &&  /home/tcwg-buildbot/worker/clang-aarch64-sve-vls/stage1/runtimes/runtimes-bins/compiler-rt/test/dfsan/AARCH64Config/Output/release_shadow_space.c.tmp
+ /home/tcwg-buildbot/worker/clang-aarch64-sve-vls/stage1/./bin/clang -fsanitize=dataflow -Wthread-safety -Wthread-safety-reference -Wthread-safety-beta /home/tcwg-buildbot/worker/clang-aarch64-sve-vls/llvm/compiler-rt/test/dfsan/release_shadow_space.c -DORIGIN_TRACKING -mllvm -dfsan-track-origins=1 -o /home/tcwg-buildbot/worker/clang-aarch64-sve-vls/stage1/runtimes/runtimes-bins/compiler-rt/test/dfsan/AARCH64Config/Output/release_shadow_space.c.tmp
+ /home/tcwg-buildbot/worker/clang-aarch64-sve-vls/stage1/runtimes/runtimes-bins/compiler-rt/test/dfsan/AARCH64Config/Output/release_shadow_space.c.tmp
RSS at start: 2844, after mmap: 105240, after mmap+set label: 310088, after fixed map: 2888, after another mmap+set label: 310088, after munmap: 2888
release_shadow_space.c.tmp: /home/tcwg-buildbot/worker/clang-aarch64-sve-vls/llvm/compiler-rt/test/dfsan/release_shadow_space.c:91: int main(int, char **): Assertion `after_mmap >= before + mmap_cost_kb' failed.
/home/tcwg-buildbot/worker/clang-aarch64-sve-vls/stage1/runtimes/runtimes-bins/compiler-rt/test/dfsan/AARCH64Config/Output/release_shadow_space.c.script: line 4: 1087098 Aborted                 (core dumped) /home/tcwg-buildbot/worker/clang-aarch64-sve-vls/stage1/runtimes/runtimes-bins/compiler-rt/test/dfsan/AARCH64Config/Output/release_shadow_space.c.tmp

--

********************


```

</details>

https://github.com/llvm/llvm-project/pull/112494