[clang] [clang] Placement new error when modifying consts (PR #132460)

[Timm Baeder via cfe-commits]

tbaederr wrote:

The tests should go into a file not under `ByteCode/` since they aren't specific to the bytecode interpreter. There should be existing placement new tests in `SemaCXX/`.

https://github.com/llvm/llvm-project/pull/132460