Merge pull request swiftlang#27539 from davezarzycki/pr27539

NFC: silence a few warnings

Author: davezarzycki

lib/AST/GenericSignatureBuilder.cpp

@@ -539,66 +539,6 @@ void GenericSignatureBuilder::Implementation::deallocateEquivalenceClass(
   FreeEquivalenceClasses.push_back(equivClass);
 }
 
-#pragma mark GraphViz visualization
-namespace {
-  /// A node in the equivalence class, used for visualization.
-  struct EquivalenceClassVizNode {
-    const EquivalenceClass *first;
-    Type second;
-
-    operator const void *() const { return second.getPointer(); }
-  };
-
-  /// Iterator through the adjacent nodes in an equivalence class, for
-  /// visualization.
-  class EquivalenceClassVizIterator {
-    using BaseIterator = const Constraint<Type> *;
-
-    EquivalenceClassVizNode node;
-    BaseIterator base;
-
-  public:
-    using difference_type = ptrdiff_t;
-    using value_type = EquivalenceClassVizNode;
-    using reference = value_type;
-    using pointer = value_type*;
-    using iterator_category = std::forward_iterator_tag;
-
-    EquivalenceClassVizIterator(EquivalenceClassVizNode node,
-                                BaseIterator base, BaseIterator baseEnd)
-        : node(node), base(base) {
-    }
-
-    BaseIterator &getBase() { return base; }
-    const BaseIterator &getBase() const { return base; }
-
-    reference operator*() const {
-      return { node.first, getBase()->value };
-    }
-
-    EquivalenceClassVizIterator& operator++() {
-      ++getBase();
-      return *this;
-    }
-
-    EquivalenceClassVizIterator operator++(int) {
-      EquivalenceClassVizIterator result = *this;
-      ++(*this);
-      return result;
-    }
-
-    friend bool operator==(const EquivalenceClassVizIterator &lhs,
-                           const EquivalenceClassVizIterator &rhs) {
-      return lhs.getBase() == rhs.getBase();
-    }
-
-    friend bool operator!=(const EquivalenceClassVizIterator &lhs,
-                           const EquivalenceClassVizIterator &rhs) {
-      return !(lhs == rhs);
-    }
-  };
-}
-
 namespace {
   /// Retrieve the type described by the given unresolved tyoe.
   Type getUnresolvedType(GSBUnresolvedType type,

lib/SILOptimizer/Utils/CFGOptUtils.cpp

@@ -27,7 +27,7 @@ using namespace swift;
 ///
 /// \param branch The terminator to add the argument to.
 /// \param dest The destination block of the edge.
-/// \param Val The value to the arguments of the branch.
+/// \param val The value to the arguments of the branch.
 /// \return The created branch. The old branch is deleted.
 /// The argument is appended at the end of the argument tuple.
 TermInst *swift::addNewEdgeValueToBranch(TermInst *branch, SILBasicBlock *dest,
@@ -268,7 +268,7 @@ replaceSwitchDest(SwitchEnumTy *sTy, SmallVectorImpl<SwitchEnumCaseTy> &cases,
 
 /// Replace a branch target.
 ///
-/// \param T The terminating instruction to modify.
+/// \param t The terminating instruction to modify.
 /// \param oldDest The successor block that will be replaced.
 /// \param newDest The new target block.
 /// \param preserveArgs If set, preserve arguments on the replaced edge.