[llvm] [GOFF] Refactor writing GOFF records (PR #93855)

[Kai Nacke via llvm-commits]

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@@ -0,0 +1,7 @@
+# RUN: not yaml2obj %s 2>&1 | FileCheck %s
+
+# CHECK: yaml2obj: error: conversion to EBCDIC 1047 failed on 'Euro symbol €'
+
+--- !GOFF
+- End:
+    EntryName: "Euro symbol €"
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redstar wrote:

I agree with your worries. However, EBCDIC-1047 is designed to have all characters from ISO Latin-1. As result, to trigger this error message I need to use a character which is not in ISO Latin-1.
There are already LIT tests in clang which use characters requiring UTF-8, so it should be ok. 

https://github.com/llvm/llvm-project/pull/93855