Author: Kazu Hirata
Date: 2025-01-25T14:05:11-08:00
New Revision: 04d5608057f73cf8deb66ddaeddf2f9254fd864b

URL: 
https://github.com/llvm/llvm-project/commit/04d5608057f73cf8deb66ddaeddf2f9254fd864b
DIFF: 
https://github.com/llvm/llvm-project/commit/04d5608057f73cf8deb66ddaeddf2f9254fd864b.diff

LOG: [AST] Migrate away from PointerUnion::dyn_cast (NFC) (#124430)

Note that PointerUnion::dyn_cast 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>

Literal migration would result in dyn_cast_if_present (see the
definition of PointerUnion::dyn_cast), but this patch uses dyn_cast
because we expect P to be nonnull.

Added: 
    

Modified: 
    clang/lib/AST/DeclTemplate.cpp

Removed: 
    


################################################################################
diff  --git a/clang/lib/AST/DeclTemplate.cpp b/clang/lib/AST/DeclTemplate.cpp
index 926b2b26dd381d..e4cb7dcb16a456 100644
--- a/clang/lib/AST/DeclTemplate.cpp
+++ b/clang/lib/AST/DeclTemplate.cpp
@@ -1801,8 +1801,7 @@ TemplateParameterList 
*clang::getReplacedTemplateParameterList(Decl *D) {
   case Decl::Kind::VarTemplateSpecialization: {
     const auto *VTSD = cast<VarTemplateSpecializationDecl>(D);
     auto P = VTSD->getSpecializedTemplateOrPartial();
-    if (const auto *VTPSD =
-            P.dyn_cast<VarTemplatePartialSpecializationDecl *>())
+    if (const auto *VTPSD = dyn_cast<VarTemplatePartialSpecializationDecl 
*>(P))
       return VTPSD->getTemplateParameters();
     return cast<VarTemplateDecl *>(P)->getTemplateParameters();
   }


        
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