Resolve some doccomment and Swift interop warnings

clang/include/clang/AST/DependentDiagnostic.h

@@ -147,9 +147,11 @@ class DeclContext::ddiag_iterator {
     return tmp;
   }
 
+#ifndef __swift__
   bool operator==(ddiag_iterator Other) const {
     return Ptr == Other.Ptr;
   }
+#endif
 
   bool operator!=(ddiag_iterator Other) const {
     return Ptr != Other.Ptr;

clang/include/clang/Sema/CodeCompleteConsumer.h

@@ -335,7 +335,7 @@ class CodeCompletionContext {
     /// error and don't know which completions we should give.
     CCC_Recovery,
 
-    /// Code completion in a `@class` forward declaration.
+    /// Code completion in a \c \@class forward declaration.
     CCC_ObjCClassForwardDecl
   };
 

llvm/include/llvm/IR/DIBuilder.h

@@ -505,7 +505,7 @@ namespace llvm {
     /// \param UniqueIdentifier A unique identifier for the union.
     /// \param OffsetInBits The offset of the variant payload in the variant
     /// type.
-    /// \param SpareBitMask A mask of spare bits of the payload, spare bits are
+    /// \param SpareBitsMask A mask of spare bits of the payload, spare bits are
     /// bits that aren't used in any of the variant's cases.
     DICompositeType *
     createVariantPart(DIScope *Scope, StringRef Name, DIFile *File,

llvm/include/llvm/Transforms/IPO/Attributor.h

@@ -5623,7 +5623,9 @@ struct AAPointerInfo : public AbstractAttribute {
 
     unsigned size() const { return Ranges.size(); }
 
+#ifndef __swift__
     bool operator==(const RangeList &OI) const { return Ranges == OI.Ranges; }
+#endif
 
     /// Merge the ranges in \p RHS into the current ranges.
     /// - Merging a list of  unknown ranges makes the current list unknown.
@@ -5757,11 +5759,13 @@ struct AAPointerInfo : public AbstractAttribute {
     Access(const Access &Other) = default;
 
     Access &operator=(const Access &Other) = default;
+#ifndef __swift__
     bool operator==(const Access &R) const {
       return LocalI == R.LocalI && RemoteI == R.RemoteI && Ranges == R.Ranges &&
              Content == R.Content && Kind == R.Kind;
     }
     bool operator!=(const Access &R) const { return !(*this == R); }
+#endif
 
     Access &operator&=(const Access &R) {
       assert(RemoteI == R.RemoteI && "Expected same instruction!");

llvm/include/llvm/Transforms/IPO/SampleContextTracker.h

@@ -161,13 +161,15 @@ class SampleContextTracker {
       return *this;
     }
 
+#ifndef __swift__
     bool operator==(const Iterator &Other) const {
       if (NodeQueue.empty() && Other.NodeQueue.empty())
         return true;
       if (NodeQueue.empty() || Other.NodeQueue.empty())
         return false;
       return NodeQueue.front() == Other.NodeQueue.front();
     }
+#endif
 
     ContextTrieNode *operator*() const {
       assert(!NodeQueue.empty() && "Invalid access to end iterator");