[clang] nonblocking/nonallocating attributes (was: nolock/noalloc) (PR #84983)

[via cfe-commits]

================
@@ -0,0 +1,190 @@
+// RUN: %clang_cc1 -fsyntax-only -fblocks -fcxx-exceptions -verify %s
+// These are in a separate file because errors (e.g. incompatible attributes) currently prevent
----------------
Sirraide wrote:

Are all of these specifically Objective-C++ tests? Because putting non-Objective C++ tests in an `.mm` file seems very weird to me. Also, Objective C++ tests should go in `test/SemaObjCXX` instead.

https://github.com/llvm/llvm-project/pull/84983