llvmbot wrote:

<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-clang

Author: Kazu Hirata (kazutakahirata)

<details>
<summary>Changes</summary>

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

  // FIXME: Replace the uses of is(), get() and dyn_cast() with
  //        isa&lt;T&gt;, cast&lt;T&gt; and the llvm::dyn_cast&lt;T&gt;

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.


---
Full diff: https://github.com/llvm/llvm-project/pull/124388.diff


1 Files Affected:

- (modified) clang/lib/AST/DeclTemplate.cpp (+2-2) 


``````````diff
diff --git a/clang/lib/AST/DeclTemplate.cpp b/clang/lib/AST/DeclTemplate.cpp
index 40ee3753c24227..2933ba7fb8a295 100644
--- a/clang/lib/AST/DeclTemplate.cpp
+++ b/clang/lib/AST/DeclTemplate.cpp
@@ -1049,7 +1049,7 @@ ClassTemplateSpecializationDecl::getSourceRange() const {
     assert(!Pattern.isNull() &&
            "Class template specialization without pattern?");
     if (const auto *CTPSD =
-            Pattern.dyn_cast<ClassTemplatePartialSpecializationDecl *>())
+            dyn_cast<ClassTemplatePartialSpecializationDecl *>(Pattern))
       return CTPSD->getSourceRange();
     return cast<ClassTemplateDecl *>(Pattern)->getSourceRange();
   }
@@ -1773,7 +1773,7 @@ TemplateParameterList 
*clang::getReplacedTemplateParameterList(Decl *D) {
     const auto *CTSD = cast<ClassTemplateSpecializationDecl>(D);
     auto P = CTSD->getSpecializedTemplateOrPartial();
     if (const auto *CTPSD =
-            P.dyn_cast<ClassTemplatePartialSpecializationDecl *>())
+            dyn_cast<ClassTemplatePartialSpecializationDecl *>(P))
       return CTPSD->getTemplateParameters();
     return cast<ClassTemplateDecl *>(P)->getTemplateParameters();
   }

``````````

</details>


https://github.com/llvm/llvm-project/pull/124388
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