[llvm] [PassBuilder] Treat pipeline aliases as normal passes (PR #146038)

[Matt Arsenault via llvm-commits]

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@@ -0,0 +1,5 @@
+; RUN: not opt -passes="default" < %s 2>&1 | FileCheck %s --check-prefix=MISSING-OPT-LEVEL
+; RUN: not opt -passes="default<foo>" < %s 2>&1 | FileCheck %s --check-prefix=INVALID-OPT-LEVEL
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arsenm wrote:

Check errors with the other names too?

https://github.com/llvm/llvm-project/pull/146038