[clang] [RISCV] Enable target attribute when invoked through clang driver (PR #74889)

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git-clang-format --diff 05420a17547e495f5748e9662150d6eb931e2c28 65707b837a8bb7283896d2c9d4933a17e02a20b9 -- clang/lib/Basic/Targets/RISCV.cpp clang/test/CodeGen/RISCV/riscv-func-attr-target.c
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View the diff from clang-format here.
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``````````diff
diff --git a/clang/lib/Basic/Targets/RISCV.cpp b/clang/lib/Basic/Targets/RISCV.cpp
index 184176c05d..1cce8fe5b2 100644
--- a/clang/lib/Basic/Targets/RISCV.cpp
+++ b/clang/lib/Basic/Targets/RISCV.cpp
@@ -309,12 +309,12 @@ bool RISCVTargetInfo::initFeatureMap(
   // negatives, and non-extension features.  We need to preserve the later
   // for correctness and want to preserve the former for consistency.
   for (auto &Feature : NewFeaturesVec) {
-     StringRef ExtName = Feature;
-     assert(ExtName.size() > 1 && (ExtName[0] == '+' || ExtName[0] == '-'));
-     ExtName = ExtName.drop_front(1); // Drop '+' or '-'
-     if (!llvm::is_contained(ImpliedFeatures, ("+" + ExtName).str()) &&
-         !llvm::is_contained(ImpliedFeatures, ("-" + ExtName).str()))
-       ImpliedFeatures.push_back(Feature);
+    StringRef ExtName = Feature;
+    assert(ExtName.size() > 1 && (ExtName[0] == '+' || ExtName[0] == '-'));
+    ExtName = ExtName.drop_front(1); // Drop '+' or '-'
+    if (!llvm::is_contained(ImpliedFeatures, ("+" + ExtName).str()) &&
+        !llvm::is_contained(ImpliedFeatures, ("-" + ExtName).str()))
+      ImpliedFeatures.push_back(Feature);
   }
   return TargetInfo::initFeatureMap(Features, Diags, CPU, ImpliedFeatures);
 }

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https://github.com/llvm/llvm-project/pull/74889