[llvm] [AsmParser] Use a range-based for loop (NFC) (PR #168488)

[Kazu Hirata via llvm-commits]

================
@@ -315,11 +315,10 @@ bool LLParser::validateEndOfModule(bool UpgradeDebugInfo) {
       return error(NT.second.second,
                    "use of undefined type '%" + Twine(NT.first) + "'");
 
-  for (StringMap<std::pair<Type*, LocTy> >::iterator I =
-       NamedTypes.begin(), E = NamedTypes.end(); I != E; ++I)
-    if (I->second.second.isValid())
-      return error(I->second.second,
-                   "use of undefined type named '" + I->getKey() + "'");
+  for (const auto &NamedType : NamedTypes)
+    if (NamedType.second.second.isValid())
+      return error(NamedType.second.second,
+                   "use of undefined type named '" + NamedType.getKey() + "'");
----------------
kazutakahirata wrote:

I chose `TypeInfo` as the value type is more than a `Type` -- `std::pair<Type *, LocTy>`.  Thanks!

https://github.com/llvm/llvm-project/pull/168488