Break the assumption that any sort of scope (e.g. a loop scope) can 
hold declarations.  Instead, introduce a new "DeclScope" scope type that
holds them explicitly.  For now, all scopes have this bit, but in the 
future we can use them to fix some issues Neil noticed.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@41431 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/Parse/Parser.cpp b/Parse/Parser.cpp
index d9d7961..d034dc2 100644
--- a/Parse/Parser.cpp
+++ b/Parse/Parser.cpp
@@ -221,11 +221,10 @@
   // Prime the lexer look-ahead.
   ConsumeToken();
   
-  // Create the global scope, install it as the current scope.
+  // Create the translation unit scope.  Install it as the current scope.
   assert(CurScope == 0 && "A scope is already active?");
-  EnterScope(0);
-  
-  
+  EnterScope(Scope::DeclScope);
+    
   // Install builtin types.
   // TODO: Move this someplace more useful.
   {
@@ -435,7 +434,7 @@
     ParseKNRParamDeclarations(D);
 
   // Enter a scope for the function body.
-  EnterScope(Scope::FnScope);
+  EnterScope(Scope::FnScope|Scope::DeclScope);
   
   // Tell the actions module that we have entered a function definition with the
   // specified Declarator for the function.