r264158 - Use an enum instead of hardcoded indices. NFC.

[Alexander Kornienko via cfe-commits]

Author: alexfh
Date: Wed Mar 23 09:28:52 2016
New Revision: 264158

URL: http://llvm.org/viewvc/llvm-project?rev=264158&view=rev
Log:
Use an enum instead of hardcoded indices. NFC.

Modified:
    cfe/trunk/lib/Sema/SemaDecl.cpp

Modified: cfe/trunk/lib/Sema/SemaDecl.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Sema/SemaDecl.cpp?rev=264158&r1=264157&r2=264158&view=diff
==============================================================================
--- cfe/trunk/lib/Sema/SemaDecl.cpp (original)
+++ cfe/trunk/lib/Sema/SemaDecl.cpp Wed Mar 23 09:28:52 2016
@@ -6423,16 +6423,20 @@ void Sema::CheckShadow(Scope *S, VarDecl
   }
 
   // Determine what kind of declaration we're shadowing.
-  unsigned Kind;
+
+  // The order must be consistent with the %select in the warning message.
+  enum ShadowedDeclKind { Local, Global, StaticMember, Field };
+  ShadowedDeclKind Kind;
   if (isa<RecordDecl>(OldDC)) {
     if (isa<FieldDecl>(ShadowedDecl))
-      Kind = 3; // field
+      Kind = Field;
     else
-      Kind = 2; // static data member
-  } else if (OldDC->isFileContext())
-    Kind = 1; // global
-  else
-    Kind = 0; // local
+      Kind = StaticMember;
+  } else if (OldDC->isFileContext()) {
+    Kind = Global;
+  } else {
+    Kind = Local;
+  }
 
   DeclarationName Name = R.getLookupName();