[llvm] [DXIL] Add support for root signature flag element in DXContainer (PR #123147)

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@@ -0,0 +1,26 @@
+; RUN: not llc %s --filetype=obj -o -
+; expected-error at -1: More than one entry function defined
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joaosaffran wrote:

Thanks for pointing it out, I've revisited those test. I've changed the testing approach. Validated that those are failing if the error message is not emitted and if the error message is not the expected.

https://github.com/llvm/llvm-project/pull/123147