[clang] [llvm] [X86] Support EGPR for inline assembly. (PR #92338)

[Freddy Ye via cfe-commits]

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@@ -1,21 +1,27 @@
 ; Check r16-r31 can not be used with 'q','r','l' constraint for backward compatibility.
-; RUN: not llc < %s -mtriple=x86_64-unknown-unknown -mattr=+egpr 2>&1 | FileCheck %s
+; RUN: not llc < %s -mtriple=x86_64-unknown-unknown -mattr=+egpr 2>&1 | FileCheck %s --check-prefix=ERR
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FreddyLeaf wrote:

no, it didn't add `2>&1`

https://github.com/llvm/llvm-project/pull/92338