[llvm] [RISCV]Add support for resolving encoding conflicts among vendor specific CSRs (PR #96174)

[Craig Topper via llvm-commits]

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@@ -135,6 +138,11 @@ class SearchIndex {
   //
   // Can only be used when the first field is an integral (non-string) type.
   bit EarlyOut = false;
+
+  // If true, will generate a different function signature which will return a
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topperc wrote:

"a iterator range" -> "an iterator range"

https://github.com/llvm/llvm-project/pull/96174