[libcxx-commits] [libcxx] [libc++] Inline fast path for`exception_ptr` copy constructor & destructor (PR #165909)

[Nikolas Klauser via libcxx-commits]

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@@ -36,6 +29,21 @@ exception_ptr exception_ptr::__from_native_exception_pointer(void* __e) noexcept
   return ptr;
 }
 
+exception_ptr::~exception_ptr() noexcept { __decrement_refcount(__ptr_); }
+
+exception_ptr::exception_ptr(const exception_ptr& other) noexcept : __ptr_(other.__ptr_) {
+  __increment_refcount(__ptr_);
+}
+
+exception_ptr& exception_ptr::operator=(const exception_ptr& other) noexcept {
+  if (__ptr_ != other.__ptr_) {
+    __increment_refcount(other.__ptr_);
+    __decrement_refcount(__ptr_);
+    __ptr_ = other.__ptr_;
+  }
+  return *this;
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philnik777 wrote:

Can we maybe merge these implementations now?

https://github.com/llvm/llvm-project/pull/165909