[clang] [analyzer] Fix crash in RegionStoreManager::bindArray from constructor array-to-pointer decay (PR #210649)

[LLVM Continuous Integration via cfe-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `clang-aarch64-quick` running on `linaro-clang-aarch64-quick` while building `clang` at step 5 "ninja check 1".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/65/builds/37600

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

```
Step 5 (ninja check 1) failure: stage 1 checked (failure)
******************** TEST 'LLVM-Unit :: Support/./SupportTests/205/453' FAILED ********************
Script(shard):
--
GTEST_OUTPUT=json:/home/tcwg-buildbot/worker/clang-aarch64-quick/stage1/unittests/Support/./SupportTests-LLVM-Unit-4173283-205-453.json GTEST_SHUFFLE=0 GTEST_TOTAL_SHARDS=453 GTEST_SHARD_INDEX=205 /home/tcwg-buildbot/worker/clang-aarch64-quick/stage1/unittests/Support/./SupportTests
--

Script:
--
/home/tcwg-buildbot/worker/clang-aarch64-quick/stage1/unittests/Support/./SupportTests --gtest_filter=ProgramEnvTest.CreateProcessTrailingSlash
--
/home/tcwg-buildbot/worker/clang-aarch64-quick/llvm/llvm/unittests/Support/ProgramTest.cpp:204: Failure
Expected equality of these values:
  0
  rc
    Which is: -2


/home/tcwg-buildbot/worker/clang-aarch64-quick/llvm/llvm/unittests/Support/ProgramTest.cpp:204
Expected equality of these values:
  0
  rc
    Which is: -2



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


```

</details>

https://github.com/llvm/llvm-project/pull/210649