Restore the invariant that a nested-name-specifier can only contain
class types, dependent types, and namespaces. I had previously
weakened this invariant while working on parsing pseudo-destructor
expressions, but recent work in that area has made these changes
unnecessary.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@97112 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Parse/ParseExpr.cpp b/lib/Parse/ParseExpr.cpp
index 46faebf..f69740b 100644
--- a/lib/Parse/ParseExpr.cpp
+++ b/lib/Parse/ParseExpr.cpp
@@ -1004,7 +1004,7 @@
         if (LHS.isInvalid())
           break;
 
-        ParseOptionalCXXScopeSpecifier(SS, ObjectType, false, 
+        ParseOptionalCXXScopeSpecifier(SS, ObjectType, false,
                                        &MayBePseudoDestructor);
       }
 
diff --git a/lib/Parse/ParseExprCXX.cpp b/lib/Parse/ParseExprCXX.cpp
index 4d46b92..7998b26 100644
--- a/lib/Parse/ParseExprCXX.cpp
+++ b/lib/Parse/ParseExprCXX.cpp
@@ -212,8 +212,7 @@
             Actions.ActOnCXXNestedNameSpecifier(CurScope, SS,
                                                 TypeToken.getAnnotationValue(),
                                                 TypeToken.getAnnotationRange(),
-                                                CCLoc,
-                                                false));
+                                                CCLoc));
         else
           SS.setScopeRep(0);
         SS.setEndLoc(CCLoc);
@@ -240,15 +239,7 @@
     // If we get foo:bar, this is almost certainly a typo for foo::bar.  Recover
     // and emit a fixit hint for it.
     if (Next.is(tok::colon) && !ColonIsSacred) {
-      if (CheckForDestructor && GetLookAheadToken(2).is(tok::tilde) &&
-          !Actions.isNonTypeNestedNameSpecifier(CurScope, SS, Tok.getLocation(),
-                                                II, ObjectType)) {
-        *MayBePseudoDestructor = true;
-        return HasScopeSpecifier;
-      }
-
-      if (Actions.IsInvalidUnlessNestedName(CurScope, SS, II, 
-                                            false, ObjectType,
+      if (Actions.IsInvalidUnlessNestedName(CurScope, SS, II, ObjectType, 
                                             EnteringContext) &&
           // If the token after the colon isn't an identifier, it's still an
           // error, but they probably meant something else strange so don't
@@ -287,8 +278,7 @@
 
       SS.setScopeRep(
         Actions.ActOnCXXNestedNameSpecifier(CurScope, SS, IdLoc, CCLoc, II,
-                                            false, ObjectType,
-                                            EnteringContext));
+                                            ObjectType, EnteringContext));
       SS.setEndLoc(CCLoc);
       continue;
     }