[flang] Add missing copy constructor

[ashermancinelli]

On some compilers the implicit copy constructor assignment operator was issuing a warning.

[llvmbot]

@llvm/pr-subscribers-flang-semantics

Author: Asher Mancinelli (ashermancinelli)

Changes

On some compilers the implicit copy constructor was issuing a warning.

---

Full diff: https://github.com/llvm/llvm-project/pull/139966.diff

1 Files Affected:

• (modified) flang/include/flang/Semantics/symbol.h (+1)

diff --git a/flang/include/flang/Semantics/symbol.h b/flang/include/flang/Semantics/symbol.h
index 97c1e30631840..4cded64d170cd 100644
--- a/flang/include/flang/Semantics/symbol.h
+++ b/flang/include/flang/Semantics/symbol.h
@@ -600,6 +600,7 @@ class TypeParamDetails {
 public:
   TypeParamDetails() = default;
   TypeParamDetails(const TypeParamDetails &) = default;
+  TypeParamDetails &operator=(const TypeParamDetails &) = default;
   std::optional<common::TypeParamAttr> attr() const { return attr_; }
   TypeParamDetails &set_attr(common::TypeParamAttr);
   MaybeIntExpr &init() { return init_; }

[klausler]

On some compilers the implicit copy constructor was issuing a warning.

It's a copy assignment operator. Which compilers complain?

UPDATE: it was clang-17