[llvm] [Coroutines] Remove assert about a promise being present (PR #156007)

[via llvm-commits]

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@@ -700,9 +700,6 @@ static void buildFrameDebugInfo(Function &F, coro::Shape &Shape,
 
   DIBuilder DBuilder(*F.getParent(), /*AllowUnresolved*/ false);
 
-  assert(Shape.getPromiseAlloca() &&
-         "Coroutine with switch ABI should own Promise alloca");
-
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yonillasky wrote:

Another possibility is to add some new kind of MD that indicates the coroutine was directly generated at the IR level (in which case, we allow the promise not to exist). Then, we can leave this `assert` intact for regular C++ coroutines.


https://github.com/llvm/llvm-project/pull/156007