[llvm] [CFIInserter] Turn a reachable llvm_unreachable into a report_fatal_error. (PR #168777)

[Mikhail Gudim via llvm-commits]

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@@ -1,7 +1,8 @@
-# RUN: llc -x mir < %s -mtriple=riscv64 \
+# RUN: not --crash llc %s -mtriple=riscv64 \
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mgudim wrote:

https://github.com/llvm/llvm-project/pull/168865/files

https://github.com/llvm/llvm-project/pull/168777