[llvm] [Sframe] Support cfi_escape directives compatibly with gnu-gas (PR #161927)

[Fangrui Song via llvm-commits]

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@@ -0,0 +1,37 @@
+# RUN: llvm-mc --filetype=obj --gsframe -triple x86_64 %s -o %t.o 2>&1 | FileCheck %s
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MaskRay wrote:

If there are no errors (llvm-mc exits with 0), consider `-diagnostics` instead of `errors`.


https://github.com/llvm/llvm-project/pull/161927