[CodeGenModule] Group blocks runtime globals together, NFC

Author: vedantk

clang/lib/CodeGen/CodeGenModule.h

@@ -523,18 +523,18 @@ class CodeGenModule : public CodeGenTypeCache {
     int GlobalUniqueCount;
   } Block;
 
+  GlobalDecl initializedGlobalDecl;
+
+  /// @}
+
   /// void @llvm.lifetime.start(i64 %size, i8* nocapture <ptr>)
   llvm::Function *LifetimeStartFn = nullptr;
 
   /// void @llvm.lifetime.end(i64 %size, i8* nocapture <ptr>)
   llvm::Function *LifetimeEndFn = nullptr;
 
-  GlobalDecl initializedGlobalDecl;
-
   std::unique_ptr<SanitizerMetadata> SanitizerMD;
 
-  /// @}
-
   llvm::MapVector<const Decl *, bool> DeferredEmptyCoverageMappingDecls;
 
   std::unique_ptr<CoverageMappingModuleGen> CoverageMapping;