[clang] [Analysis] Remove has_arg_iterator_range (NFC) (PR #137568)

[via cfe-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-clang

Author: Kazu Hirata (kazutakahirata)

<details>
<summary>Changes</summary>

The last use was removed by:

  commit f8afb8fdedae04ad2670857c97925c439d47d862
  Author: Aaron Puchert &lt;aaron.puchert@<!-- -->sap.com&gt;
  Date:   Fri Apr 29 22:12:21 2022 +0200


---
Full diff: https://github.com/llvm/llvm-project/pull/137568.diff


1 Files Affected:

- (modified) clang/lib/Analysis/ThreadSafety.cpp (-19) 


``````````diff
diff --git a/clang/lib/Analysis/ThreadSafety.cpp 
b/clang/lib/Analysis/ThreadSafety.cpp
index 42fb0fe7dcdaa..f50c2adda4bc0 100644
--- a/clang/lib/Analysis/ThreadSafety.cpp
+++ b/clang/lib/Analysis/ThreadSafety.cpp
@@ -1231,25 +1231,6 @@ static const ValueDecl *getValueDecl(const Expr *Exp) {
   return nullptr;
 }
 
-namespace {
-
-template <typename Ty>
-class has_arg_iterator_range {
-  using yes = char[1];
-  using no = char[2];
-
-  template <typename Inner>
-  static yes& test(Inner *I, decltype(I->args()) * = nullptr);
-
-  template <typename>
-  static no& test(...);
-
-public:
-  static const bool value = sizeof(test<Ty>(nullptr)) == sizeof(yes);
-};
-
-} // namespace
-
 bool ThreadSafetyAnalyzer::inCurrentScope(const CapabilityExpr &CapE) {
   const threadSafety::til::SExpr *SExp = CapE.sexpr();
   assert(SExp && "Null expressions should be ignored");

``````````

</details>


https://github.com/llvm/llvm-project/pull/137568
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