[clang] [llvm] riscv: Support -mstack-protector-guard=tls (PR #108942)

[Keith Packard via cfe-commits]

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@@ -0,0 +1,19 @@
+; RUN: llc -mtriple=riscv64-unknown-elf < %s | \
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keith-packard wrote:

Thanks. I wondered how that was supposed to work.

https://github.com/llvm/llvm-project/pull/108942