[llvm] [DRAFT] coros: suspend metadata preservation (PR #150077)

[Christian Ulmann via llvm-commits]

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@@ -79,6 +79,20 @@ using namespace llvm;
 
 #define DEBUG_TYPE "coro-split"
 
+/// If set, ensures that all metadata from CoroSuspendInst's is preserved in the
+/// containing function.
+namespace llvm {
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Dinistro wrote:

Nit: I don't think that this namespace is required. All entries are static and the namespace is already used.

https://github.com/llvm/llvm-project/pull/150077