Author: Mike Weller
Date: 2024-04-18T15:19:06+08:00
New Revision: 9760b6b1ecff3d3c43d182ea488fa34a82472a3e

URL: 
https://github.com/llvm/llvm-project/commit/9760b6b1ecff3d3c43d182ea488fa34a82472a3e
DIFF: 
https://github.com/llvm/llvm-project/commit/9760b6b1ecff3d3c43d182ea488fa34a82472a3e.diff

LOG: [clang-tidy] Ignore deleted ctor in 
`bugprone-forwarding-reference-overload` (#88138)

Fix `bugprone-forwarding-reference-overload` so it doesn't report a
constructor that is deleted.

Added: 
    

Modified: 
    clang-tools-extra/clang-tidy/bugprone/ForwardingReferenceOverloadCheck.cpp
    clang-tools-extra/docs/ReleaseNotes.rst
    
clang-tools-extra/test/clang-tidy/checkers/bugprone/forwarding-reference-overload.cpp

Removed: 
    


################################################################################
diff  --git 
a/clang-tools-extra/clang-tidy/bugprone/ForwardingReferenceOverloadCheck.cpp 
b/clang-tools-extra/clang-tidy/bugprone/ForwardingReferenceOverloadCheck.cpp
index c608fe713f9f5b..e7be8134781e48 100644
--- a/clang-tools-extra/clang-tidy/bugprone/ForwardingReferenceOverloadCheck.cpp
+++ b/clang-tools-extra/clang-tidy/bugprone/ForwardingReferenceOverloadCheck.cpp
@@ -72,7 +72,7 @@ void 
ForwardingReferenceOverloadCheck::registerMatchers(MatchFinder *Finder) {
 
   DeclarationMatcher FindOverload =
       cxxConstructorDecl(
-          hasParameter(0, ForwardingRefParm),
+          hasParameter(0, ForwardingRefParm), unless(isDeleted()),
           unless(hasAnyParameter(
               // No warning: enable_if as constructor parameter.
               parmVarDecl(hasType(isEnableIf())))),

diff  --git a/clang-tools-extra/docs/ReleaseNotes.rst 
b/clang-tools-extra/docs/ReleaseNotes.rst
index 7095c564444fe6..a457e6fcae9462 100644
--- a/clang-tools-extra/docs/ReleaseNotes.rst
+++ b/clang-tools-extra/docs/ReleaseNotes.rst
@@ -147,6 +147,10 @@ Changes in existing checks
   <clang-tidy/checks/bugprone/assert-side-effect>` check by detecting side
   effect from calling a method with non-const reference parameters.
 
+- Improved :doc:`bugprone-forwarding-reference-overload
+  <clang-tidy/checks/bugprone/forwarding-reference-overload>`
+  check to ignore deleted constructors which won't hide other overloads.
+
 - Improved :doc:`bugprone-inc-dec-in-conditions
   <clang-tidy/checks/bugprone/inc-dec-in-conditions>` check to ignore code
   within unevaluated contexts, such as ``decltype``.

diff  --git 
a/clang-tools-extra/test/clang-tidy/checkers/bugprone/forwarding-reference-overload.cpp
 
b/clang-tools-extra/test/clang-tidy/checkers/bugprone/forwarding-reference-overload.cpp
index 38b0691bc9f1ec..92dfb718bb51b7 100644
--- 
a/clang-tools-extra/test/clang-tidy/checkers/bugprone/forwarding-reference-overload.cpp
+++ 
b/clang-tools-extra/test/clang-tidy/checkers/bugprone/forwarding-reference-overload.cpp
@@ -251,3 +251,13 @@ class Test10 {
   Test10(T &&Item, E e)
       : e(e){}
 };
+
+// A deleted ctor cannot hide anything
+class Test11 {
+public:
+  template <typename T>
+  Test11(T&&) = delete;
+
+  Test11(const Test11 &) = default;
+  Test11(Test11 &&) = default;
+};


        
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