[clang] [lldb] [Clang][SPIRV] Add __spirv_event_t builtin type (PR #207077)

[Aaron Ballman via cfe-commits]

================
@@ -0,0 +1,36 @@
+// REQUIRES: spirv-registered-target
+// RUN: %clang_cc1 -fsyntax-only -verify -std=gnu++11 -triple spirv64 -Wno-unused-value %s
----------------
AaronBallman wrote:

Does this really require `-std=gnu++11`?

https://github.com/llvm/llvm-project/pull/207077