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

[marius doerner via cfe-commits]

mariusdr 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/`.

Thanks for the hint, moved them to clang/test/SemaCXX/cxx2c-constexpr-placement-new.cpp

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