[clang] [clang][RISCV] Handle target features correctly in CheckBuiltinFunctionCall (PR #141548)

[Pengcheng Wang via cfe-commits]

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+// REQUIRES: riscv-registered-target
+// RUN: %clang_cc1 -triple riscv64 -target-feature +zvknha %s -fsyntax-only -verify
+
+#include <riscv_vector.h>
+
+// expected-no-diagnostics
+
+__attribute__((target("arch=+zvl128b")))
+void test_zvk_features(vuint32m1_t vd, vuint32m1_t vs2, vuint32m1_t vs1, size_t vl) {
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wangpc-pp wrote:

What do we get if without this PR?

https://github.com/llvm/llvm-project/pull/141548