[PATCH] D136797: [clang-tidy] Skip template ctors in modernize-use-equals-default

[Alexander Shaposhnikov via Phabricator via cfe-commits]

alexander-shaposhnikov updated this revision to Diff 471309.
alexander-shaposhnikov marked an inline comment as done.
alexander-shaposhnikov added a comment.

Address comments


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D136797/new/

https://reviews.llvm.org/D136797

Files:
  clang-tools-extra/clang-tidy/modernize/UseEqualsDefaultCheck.cpp
  clang-tools-extra/docs/ReleaseNotes.rst
  clang-tools-extra/test/clang-tidy/checkers/modernize/use-equals-default.cpp


Index: clang-tools-extra/test/clang-tidy/checkers/modernize/use-equals-default.cpp
===================================================================
--- clang-tools-extra/test/clang-tidy/checkers/modernize/use-equals-default.cpp
+++ clang-tools-extra/test/clang-tidy/checkers/modernize/use-equals-default.cpp
@@ -58,6 +58,18 @@
   VA(...) {}
 };
 
+// Skip template constructors.
+struct TC {
+  template <unsigned U>
+  TC() {}
+
+  template <unsigned U>
+  TC(const TC &) {}
+
+  template <unsigned U>
+  TC& operator = (const TC &) { return *this; }
+};
+
 // Initializer or arguments.
 class IA {
 public:
Index: clang-tools-extra/docs/ReleaseNotes.rst
===================================================================
--- clang-tools-extra/docs/ReleaseNotes.rst
+++ clang-tools-extra/docs/ReleaseNotes.rst
@@ -158,9 +158,9 @@
   The check now skips unions/union-like classes since in this case a default constructor
   with empty body is not equivalent to the explicitly defaulted one, variadic constructors
   since they cannot be explicitly defaulted. The check also skips copy assignment operators
-  with nonstandard return types, private/protected default constructors for C++17 or earlier.
-  The automatic fixit has been adjusted to avoid adding superfluous semicolon.
-  The check is restricted to C++11 or later.
+  with nonstandard return types, template constructors, private/protected default constructors
+  for C++17 or earlier. The automatic fixit has been adjusted to avoid adding superfluous
+  semicolon. The check is restricted to C++11 or later.
 
 - Change the default behavior of :doc:`readability-avoid-const-params-in-decls
   <clang-tidy/checks/readability/avoid-const-params-in-decls>` to not
Index: clang-tools-extra/clang-tidy/modernize/UseEqualsDefaultCheck.cpp
===================================================================
--- clang-tools-extra/clang-tidy/modernize/UseEqualsDefaultCheck.cpp
+++ clang-tools-extra/clang-tidy/modernize/UseEqualsDefaultCheck.cpp
@@ -241,7 +241,9 @@
       this);
   Finder->addMatcher(
       cxxConstructorDecl(
-          unless(hasParent(IsUnionLikeClass)), isDefinition(),
+          unless(
+              hasParent(decl(anyOf(IsUnionLikeClass, functionTemplateDecl())))),
+          isDefinition(),
           anyOf(
               // Default constructor.
               allOf(unless(hasAnyConstructorInitializer(isWritten())),
@@ -257,8 +259,9 @@
       this);
   // Copy-assignment operator.
   Finder->addMatcher(
-      cxxMethodDecl(unless(hasParent(IsUnionLikeClass)), isDefinition(),
-                    isCopyAssignmentOperator(),
+      cxxMethodDecl(unless(hasParent(
+                        decl(anyOf(IsUnionLikeClass, functionTemplateDecl())))),
+                    isDefinition(), isCopyAssignmentOperator(),
                     // isCopyAssignmentOperator() allows the parameter to be
                     // passed by value, and in this case it cannot be
                     // defaulted.


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