[clang] run clang-format on some CGObjC files (#126644)

These files are relatively old and don't confront our formatting rules.
It's hard to change them without massive clang-format changes.

---------

Signed-off-by: Peter Rong <PeterRong@meta.com>

clang/include/clang/AST/Mangle.h

@@ -22,32 +22,29 @@
 #include <optional>
 
 namespace llvm {
-  class raw_ostream;
+class raw_ostream;
 }
 
 namespace clang {
-  class ASTContext;
-  class BlockDecl;
-  class CXXConstructorDecl;
-  class CXXDestructorDecl;
-  class CXXMethodDecl;
-  class FunctionDecl;
-  struct MethodVFTableLocation;
-  class NamedDecl;
-  class ObjCMethodDecl;
-  class StringLiteral;
-  struct ThisAdjustment;
-  struct ThunkInfo;
-  class VarDecl;
+class ASTContext;
+class BlockDecl;
+class CXXConstructorDecl;
+class CXXDestructorDecl;
+class CXXMethodDecl;
+class FunctionDecl;
+struct MethodVFTableLocation;
+class NamedDecl;
+class ObjCMethodDecl;
+class StringLiteral;
+struct ThisAdjustment;
+struct ThunkInfo;
+class VarDecl;
 
 /// MangleContext - Context for tracking state which persists across multiple
 /// calls to the C++ name mangler.
 class MangleContext {
 public:
-  enum ManglerKind {
-    MK_Itanium,
-    MK_Microsoft
-  };
+  enum ManglerKind { MK_Itanium, MK_Microsoft };
 
 private:
   virtual void anchor();
@@ -59,10 +56,10 @@ class MangleContext {
   /// ASTContext.
   bool IsAux = false;
 
-  llvm::DenseMap<const BlockDecl*, unsigned> GlobalBlockIds;
-  llvm::DenseMap<const BlockDecl*, unsigned> LocalBlockIds;
-  llvm::DenseMap<const NamedDecl*, uint64_t> AnonStructIds;
-  llvm::DenseMap<const FunctionDecl*, unsigned> FuncAnonStructSize;
+  llvm::DenseMap<const BlockDecl *, unsigned> GlobalBlockIds;
+  llvm::DenseMap<const BlockDecl *, unsigned> LocalBlockIds;
+  llvm::DenseMap<const NamedDecl *, uint64_t> AnonStructIds;
+  llvm::DenseMap<const FunctionDecl *, unsigned> FuncAnonStructSize;
 
 public:
   ManglerKind getKind() const { return Kind; }
@@ -73,7 +70,7 @@ class MangleContext {
                          ManglerKind Kind, bool IsAux = false)
       : Context(Context), Diags(Diags), Kind(Kind), IsAux(IsAux) {}
 
-  virtual ~MangleContext() { }
+  virtual ~MangleContext() {}
 
   ASTContext &getASTContext() const { return Context; }
 
@@ -82,10 +79,10 @@ class MangleContext {
   virtual void startNewFunction() { LocalBlockIds.clear(); }
 
   unsigned getBlockId(const BlockDecl *BD, bool Local) {
-    llvm::DenseMap<const BlockDecl *, unsigned> &BlockIds
-      = Local? LocalBlockIds : GlobalBlockIds;
+    llvm::DenseMap<const BlockDecl *, unsigned> &BlockIds =
+        Local ? LocalBlockIds : GlobalBlockIds;
     std::pair<llvm::DenseMap<const BlockDecl *, unsigned>::iterator, bool>
-      Result = BlockIds.insert(std::make_pair(BD, BlockIds.size()));
+        Result = BlockIds.insert(std::make_pair(BD, BlockIds.size()));
     return Result.first->second;
   }
 
@@ -125,7 +122,7 @@ class MangleContext {
     return false;
   }
 
-  virtual void needsUniqueInternalLinkageNames() { }
+  virtual void needsUniqueInternalLinkageNames() {}
 
   // FIXME: consider replacing raw_ostream & with something like SmallString &.
   void mangleName(GlobalDecl GD, raw_ostream &);
@@ -143,10 +140,9 @@ class MangleContext {
   virtual void mangleCXXRTTIName(QualType T, raw_ostream &,
                                  bool NormalizeIntegers = false) = 0;
   virtual void mangleStringLiteral(const StringLiteral *SL, raw_ostream &) = 0;
-  virtual void mangleMSGuidDecl(const MSGuidDecl *GD, raw_ostream&);
+  virtual void mangleMSGuidDecl(const MSGuidDecl *GD, raw_ostream &);
 
-  void mangleGlobalBlock(const BlockDecl *BD,
-                         const NamedDecl *ID,
+  void mangleGlobalBlock(const BlockDecl *BD, const NamedDecl *ID,
                          raw_ostream &Out);
   void mangleCtorBlock(const CXXConstructorDecl *CD, CXXCtorType CT,
                        const BlockDecl *BD, raw_ostream &Out);
@@ -314,6 +310,6 @@ class ASTNameGenerator {
   class Implementation;
   std::unique_ptr<Implementation> Impl;
 };
-}
+} // namespace clang
 
 #endif