[clang] [RISCV] Merging RISCVToolChain and BareMetal toolchains (PR #118809)

[Craig Topper via cfe-commits]

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@@ -103,7 +112,12 @@ class LLVM_LIBRARY_VISIBILITY StaticLibTool : public Tool {
 
 class LLVM_LIBRARY_VISIBILITY Linker final : public Tool {
 public:
-  Linker(const ToolChain &TC) : Tool("baremetal::Linker", "ld.lld", TC) {}
+  Linker(const ToolChain &TC)
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topperc wrote:

Is it possible to make this argument `toolchains::BareMetal &` to avoid the static_cast?

https://github.com/llvm/llvm-project/pull/118809