Comment gardening

Author: ChristopherRogers

lib/ClangImporter/ClangImporter.cpp

@@ -1354,7 +1354,7 @@ bool ClangImporter::importHeader(StringRef header, ModuleDecl *adapter,
 
   // If we've made it to here, this is some header other than the bridging
   // header, which means we can no longer rely on one file's modification time
-  // to invalid code completion caches. :-(
+  // to invalidate code completion caches. :-(
   Impl.setSinglePCHImport(None);
 
   if (!cachedContents.empty() && cachedContents.back() == '\0')

lib/Sema/TypeCheckDeclObjC.cpp

@@ -1393,7 +1393,7 @@ IsObjCRequest::evaluate(Evaluator &evaluator, ValueDecl *VD) const {
     // Classes can be @objc.
 
     // Protocols and enums can also be @objc, but this is covered by the
-    // isObjC() check a the beginning.;
+    // isObjC() check at the beginning.
     isObjC = shouldMarkAsObjC(VD, /*allowImplicit=*/false);
   } else if (auto enumDecl = dyn_cast<EnumDecl>(VD)) {
     // Enums can be @objc so long as they have a raw type that is representable