[clang] [RISCV] Support Xsfvfnrclipxfqf extensions (PR #68297)

[Shao-Ce SUN via cfe-commits]

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@@ -630,7 +630,7 @@ TEST(getTargetFeatureForExtension, RetrieveTargetFeatureFromOneExt) {
 
 TEST(RiscvExtensionsHelp, CheckExtensions) {
   std::string ExpectedOutput =
-R"(All available -march extensions for RISC-V
+      R"(All available -march extensions for RISC-V
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sunshaoce wrote:

How about using `clang-format off`here?

https://github.com/llvm/llvm-project/pull/68297