Replacing a range-based for loop with an old-style for loop. This cod…

…e was previously causing a warning with MSVC about a compiler-generated local variable because TargetRegistry::begin() and end() are static member functions. NFC.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236990 91177308-0d34-0410-b5e6-96231b3b80d8

unittests/Support/TargetRegistry.cpp

@@ -23,8 +23,9 @@ TEST(TargetRegistry, TargetHasArchType) {
   llvm::InitializeAllTargetInfos();
 
   llvm::TargetRegistry RegistryRoot;
-  for (const auto &Target : RegistryRoot) {
-    StringRef Name = Target.getName();
+  for (auto &I = TargetRegistry::begin(), &E = TargetRegistry::end();
+       I != E; ++I) {
+    StringRef Name = I->getName();
     // There is really no way (at present) to ask a Target whether it targets
     // a specific architecture, because the logic for that is buried in a
     // predicate.