clang/Modules: Use range-based for in ASTReader::ReadAST, NFC
diff --git a/clang/lib/Serialization/ASTReader.cpp b/clang/lib/Serialization/ASTReader.cpp
index cc1f012..412bc78 100644
--- a/clang/lib/Serialization/ASTReader.cpp
+++ b/clang/lib/Serialization/ASTReader.cpp
@@ -4203,10 +4203,8 @@
   // Here comes stuff that we only do once the entire chain is loaded.
 
   // Load the AST blocks of all of the modules that we loaded.
-  for (SmallVectorImpl<ImportedModule>::iterator M = Loaded.begin(),
-                                              MEnd = Loaded.end();
-       M != MEnd; ++M) {
-    ModuleFile &F = *M->Mod;
+  for (ImportedModule &M : Loaded) {
+    ModuleFile &F = *M.Mod;
 
     // Read the AST block.
     if (ASTReadResult Result = ReadASTBlock(F, ClientLoadCapabilities))
@@ -4265,10 +4263,8 @@
 
   // Setup the import locations and notify the module manager that we've
   // committed to these module files.
-  for (SmallVectorImpl<ImportedModule>::iterator M = Loaded.begin(),
-                                              MEnd = Loaded.end();
-       M != MEnd; ++M) {
-    ModuleFile &F = *M->Mod;
+  for (ImportedModule &M : Loaded) {
+    ModuleFile &F = *M.Mod;
 
     ModuleMgr.moduleFileAccepted(&F);
 
@@ -4276,10 +4272,10 @@
     F.DirectImportLoc = ImportLoc;
     // FIXME: We assume that locations from PCH / preamble do not need
     // any translation.
-    if (!M->ImportedBy)
-      F.ImportLoc = M->ImportLoc;
+    if (!M.ImportedBy)
+      F.ImportLoc = M.ImportLoc;
     else
-      F.ImportLoc = TranslateSourceLocation(*M->ImportedBy, M->ImportLoc);
+      F.ImportLoc = TranslateSourceLocation(*M.ImportedBy, M.ImportLoc);
   }
 
   if (!PP.getLangOpts().CPlusPlus ||