[clang] [clang][ASTImporter] Add import of node 'TemplateParamObjectDecl' (PR #193492)

[Donát Nagy via cfe-commits]

================
@@ -4099,6 +4099,41 @@ TEST_P(ASTImporterOptionSpecificTestBase,
                               unless(classTemplatePartialSpecializationDecl()))));
 }
 
+TEST_P(ASTImporterOptionSpecificTestBase, ImportTemplateParamObjectDecl) {
+  const char *Code = R"(
+    struct A { int x, y; };
+    template<A> struct S1 {};
+    template<A, int> struct S2 {};
+    S1<A{1, 2}> s1;
+    S2<A{1, 2}, 3> s2;
+  )";
+  Decl *TU = getTuDecl(Code, Lang_CXX20, "input.cc");
+
+  auto *FromFirstSpec =
+      FirstDeclMatcher<ClassTemplateSpecializationDecl>().match(
+          TU, classTemplateSpecializationDecl());
+  auto *FromLastSpec =
+      FirstDeclMatcher<ClassTemplateSpecializationDecl>().match(
----------------
NagyDonat wrote:

Based on the name of the variable I think you wanted to write
```suggestion
  auto *FromLastSpec =
      LastDeclMatcher<ClassTemplateSpecializationDecl>().match(
```
Do I understand this correctly?

https://github.com/llvm/llvm-project/pull/193492