Adrian Prantl f8d7ab8cf8 Return a shared_ptr from ScratchTypeSystemClang::GetForTarget()
The current interface theoretically could lead to a use-after-free
when a client holds on to the returned pointer. Fix this by returning
a shared_ptr to the scratch typesystem.

rdar://103619233

Differential Revision: https://reviews.llvm.org/D141100
2023-01-09 15:04:53 -08:00
..