[clang] [Clang][ASTMatcher] Add `dependentNameType` Matcher (PR #121263)

[Nathan Ridge via cfe-commits]

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@@ -1912,6 +1912,21 @@ TEST_P(ASTMatchersTest, DeducedTemplateSpecializationType) {
               deducedTemplateSpecializationType()));
 }
 
+TEST_P(ASTMatchersTest, DependentNameType) {
+  if (!GetParam().isCXX()) {
+    // FIXME: Add a test for `dependentNameType()` that does not depend on C++.
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HighCommander4 wrote:

Similar to `DependentScopeDeclRefExpr`, `DependentNameType` only exists in C++, so this FIXME comment can be removed.

https://github.com/llvm/llvm-project/pull/121263