[AST] Migrate away from PointerUnion::get (NFC)

[kazutakahirata]

Note that PointerUnion::get has been soft deprecated in
PointerUnion.h:

// FIXME: Replace the uses of is(), get() and dyn_cast() with
// isa, cast and the llvm::dyn_cast

[llvmbot]

@llvm/pr-subscribers-clang

Author: Kazu Hirata (kazutakahirata)

Changes

Note that PointerUnion::get has been soft deprecated in
PointerUnion.h:

// FIXME: Replace the uses of is(), get() and dyn_cast() with
// isa<T>, cast<T> and the llvm::dyn_cast<T>

---

Full diff: https://github.com/llvm/llvm-project/pull/119949.diff

1 Files Affected:

• (modified) clang/unittests/AST/ASTImporterTest.cpp (+1-1)

diff --git a/clang/unittests/AST/ASTImporterTest.cpp b/clang/unittests/AST/ASTImporterTest.cpp
index abf07d094e62c3..f3f314b723dfc6 100644
--- a/clang/unittests/AST/ASTImporterTest.cpp
+++ b/clang/unittests/AST/ASTImporterTest.cpp
@@ -9657,7 +9657,7 @@ TEST_P(ASTImporterOptionSpecificTestBase, ImportConflictTypeAliasTemplate) {
 AST_MATCHER(ClassTemplateSpecializationDecl, hasInstantiatedFromMember) {
   if (auto Instantiate = Node.getInstantiatedFrom()) {
     if (auto *FromPartialSpecialization =
-            Instantiate.get<ClassTemplatePartialSpecializationDecl *>()) {
+            cast<ClassTemplatePartialSpecializationDecl *>(Instantiate)) {
       return nullptr != FromPartialSpecialization->getInstantiatedFromMember();
     }
   }