[clang] [CIR] Add CIRGen for cir.unreachable and cir.trap (PR #151363)

[Andy Kaylor via cfe-commits]

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@@ -1780,6 +1780,20 @@ LValue CIRGenFunction::emitLoadOfReferenceLValue(Address refAddr,
                         pointeeBaseInfo);
 }
 
+void CIRGenFunction::emitTrap(mlir::Location loc, bool createNewBlock) {
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andykaylor wrote:

Should the existing trap and unreachable emission in `emitImplicitReturn` be updated to use these functions? At least in the case of unreachable, the current code will miss the future sanitizer handling.

https://github.com/llvm/llvm-project/pull/151363