diff --git a/lib/Parse/ParseCXXInlineMethods.cpp b/lib/Parse/ParseCXXInlineMethods.cpp
index 0c8ace5..7792305 100644
--- a/lib/Parse/ParseCXXInlineMethods.cpp
+++ b/lib/Parse/ParseCXXInlineMethods.cpp
@@ -868,7 +868,7 @@
     Revert();
 
     // Put back the original tokens.
-    Self.SkipUntil(EndKind, true, /*DontConsume*/true);
+    Self.SkipUntil(EndKind, StopAtSemi | StopBeforeMatch);
     if (Toks.size()) {
       Token *Buffer = new Token[Toks.size()];
       std::copy(Toks.begin() + 1, Toks.end(), Buffer);
diff --git a/lib/Parse/ParseDecl.cpp b/lib/Parse/ParseDecl.cpp
index 36d704d..77c1fe9 100644
--- a/lib/Parse/ParseDecl.cpp
+++ b/lib/Parse/ParseDecl.cpp
@@ -124,11 +124,11 @@
     ConsumeToken();
     if (ExpectAndConsume(tok::l_paren, diag::err_expected_lparen_after,
                          "attribute")) {
-      SkipUntil(tok::r_paren, true); // skip until ) or ;
+      SkipUntil(tok::r_paren, StopAtSemi); // skip until ) or ;
       return;
     }
     if (ExpectAndConsume(tok::l_paren, diag::err_expected_lparen_after, "(")) {
-      SkipUntil(tok::r_paren, true); // skip until ) or ;
+      SkipUntil(tok::r_paren, StopAtSemi); // skip until ) or ;
       return;
     }
     // Parse the attribute-list. e.g. __attribute__(( weak, alias("__f") ))
@@ -172,10 +172,10 @@
       }
     }
     if (ExpectAndConsume(tok::r_paren, diag::err_expected_rparen))
-      SkipUntil(tok::r_paren);
+      SkipUntil(tok::r_paren, StopAtSemi);
     SourceLocation Loc = Tok.getLocation();
     if (ExpectAndConsume(tok::r_paren, diag::err_expected_rparen))
-      SkipUntil(tok::r_paren);
+      SkipUntil(tok::r_paren, StopAtSemi);
     if (endLoc)
       *endLoc = Loc;
   }
@@ -306,7 +306,7 @@
     while (1) {
       ExprResult ArgExpr(ParseAssignmentExpression());
       if (ArgExpr.isInvalid()) {
-        SkipUntil(tok::r_paren);
+        SkipUntil(tok::r_paren, StopAtSemi);
         return;
       }
       ArgExprs.push_back(ArgExpr.release());
@@ -682,7 +682,8 @@
 
   if (!Tok.is(tok::numeric_constant)) {
     Diag(Tok, diag::err_expected_version);
-    SkipUntil(tok::comma, tok::r_paren, true, true, true);
+    SkipUntil(tok::comma, tok::r_paren,
+              StopAtSemi | StopBeforeMatch | StopAtCodeCompletion);
     return VersionTuple();
   }
 
@@ -710,7 +711,8 @@
 
   if (AfterMajor == 0) {
     Diag(Tok, diag::err_expected_version);
-    SkipUntil(tok::comma, tok::r_paren, true, true, true);
+    SkipUntil(tok::comma, tok::r_paren,
+              StopAtSemi | StopBeforeMatch | StopAtCodeCompletion);
     return VersionTuple();
   }
 
@@ -728,7 +730,8 @@
 
   if (ThisTokBegin[AfterMajor] != '.' || (AfterMajor + 1 == ActualLength)) {
     Diag(Tok, diag::err_expected_version);
-    SkipUntil(tok::comma, tok::r_paren, true, true, true);
+    SkipUntil(tok::comma, tok::r_paren,
+              StopAtSemi | StopBeforeMatch | StopAtCodeCompletion);
     return VersionTuple();
   }
 
@@ -755,7 +758,8 @@
   // If what follows is not a '.', we have a problem.
   if (ThisTokBegin[AfterMinor] != '.') {
     Diag(Tok, diag::err_expected_version);
-    SkipUntil(tok::comma, tok::r_paren, true, true, true);
+    SkipUntil(tok::comma, tok::r_paren,
+              StopAtSemi | StopBeforeMatch | StopAtCodeCompletion);
     return VersionTuple();
   }
 
@@ -769,7 +773,8 @@
 
   if (AfterSubminor != ActualLength) {
     Diag(Tok, diag::err_expected_version);
-    SkipUntil(tok::comma, tok::r_paren, true, true, true);
+    SkipUntil(tok::comma, tok::r_paren,
+              StopAtSemi | StopBeforeMatch | StopAtCodeCompletion);
     return VersionTuple();
   }
   ConsumeToken();
@@ -813,7 +818,7 @@
   // Parse the platform name,
   if (Tok.isNot(tok::identifier)) {
     Diag(Tok, diag::err_availability_expected_platform);
-    SkipUntil(tok::r_paren);
+    SkipUntil(tok::r_paren, StopAtSemi);
     return;
   }
   IdentifierLoc *Platform = ParseIdentifierLoc();
@@ -837,7 +842,7 @@
   do {
     if (Tok.isNot(tok::identifier)) {
       Diag(Tok, diag::err_availability_expected_change);
-      SkipUntil(tok::r_paren);
+      SkipUntil(tok::r_paren, StopAtSemi);
       return;
     }
     IdentifierInfo *Keyword = Tok.getIdentifierInfo();
@@ -860,7 +865,7 @@
     if (Tok.isNot(tok::equal)) {
       Diag(Tok, diag::err_expected_equal_after)
         << Keyword;
-      SkipUntil(tok::r_paren);
+      SkipUntil(tok::r_paren, StopAtSemi);
       return;
     }
     ConsumeToken();
@@ -868,7 +873,7 @@
       if (Tok.isNot(tok::string_literal)) { // Also reject wide string literals.
         Diag(Tok, diag::err_expected_string_literal)
           << /*Source='availability attribute'*/2;
-        SkipUntil(tok::r_paren);
+        SkipUntil(tok::r_paren, StopAtSemi);
         return;
       }
       MessageExpr = ParseStringLiteralExpression();
@@ -879,7 +884,7 @@
     VersionTuple Version = ParseVersionTuple(VersionRange);
 
     if (Version.empty()) {
-      SkipUntil(tok::r_paren);
+      SkipUntil(tok::r_paren, StopAtSemi);
       return;
     }
 
@@ -1260,7 +1265,7 @@
     // Parse and discard the attributes.
     SourceLocation BeginLoc = ConsumeBracket();
     ConsumeBracket();
-    SkipUntil(tok::r_square, /*StopAtSemi*/ false);
+    SkipUntil(tok::r_square);
     assert(Tok.is(tok::r_square) && "isCXX11AttributeSpecifier lied");
     SourceLocation EndLoc = ConsumeBracket();
     Diag(BeginLoc, diag::err_attributes_not_allowed)
@@ -1491,7 +1496,7 @@
       // Skip until matching }, then stop. We've probably skipped over
       // a malformed class or function definition or similar.
       ConsumeBrace();
-      SkipUntil(tok::r_brace, /*StopAtSemi*/false);
+      SkipUntil(tok::r_brace);
       if (Tok.is(tok::comma) || Tok.is(tok::l_brace) || Tok.is(tok::kw_try)) {
         // This declaration isn't over yet. Keep skipping.
         continue;
@@ -1502,12 +1507,12 @@
 
     case tok::l_square:
       ConsumeBracket();
-      SkipUntil(tok::r_square, /*StopAtSemi*/false);
+      SkipUntil(tok::r_square);
       continue;
 
     case tok::l_paren:
       ConsumeParen();
-      SkipUntil(tok::r_paren, /*StopAtSemi*/false);
+      SkipUntil(tok::r_paren);
       continue;
 
     case tok::r_brace:
@@ -1620,7 +1625,7 @@
     } else {
       if (Tok.is(tok::l_brace)) {
         Diag(Tok, diag::err_function_definition_not_allowed);
-        SkipUntil(tok::r_brace, true, true);
+        SkipUntil(tok::r_brace, StopAtSemi | StopBeforeMatch);
       }
     }
   }
@@ -1711,7 +1716,7 @@
     // declaration specifier, just assume it was missing and continue parsing.
     // Otherwise things are very confused and we skip to recover.
     if (!isDeclarationSpecifier()) {
-      SkipUntil(tok::r_brace, true, true);
+      SkipUntil(tok::r_brace, StopAtSemi | StopBeforeMatch);
       if (Tok.is(tok::semi))
         ConsumeToken();
     }
@@ -1728,7 +1733,7 @@
     SourceLocation Loc;
     ExprResult AsmLabel(ParseSimpleAsm(&Loc));
     if (AsmLabel.isInvalid()) {
-      SkipUntil(tok::semi, true, true);
+      SkipUntil(tok::semi, StopBeforeMatch);
       return true;
     }
 
@@ -1795,7 +1800,7 @@
       DeclResult ThisRes = Actions.ActOnExplicitInstantiation(
           getCurScope(), TemplateInfo.ExternLoc, TemplateInfo.TemplateLoc, D);
       if (ThisRes.isInvalid()) {
-        SkipUntil(tok::semi, true, true);
+        SkipUntil(tok::semi, StopBeforeMatch);
         return 0;
       }
       ThisDecl = ThisRes.get();
@@ -1871,7 +1876,7 @@
       }
 
       if (Init.isInvalid()) {
-        SkipUntil(tok::comma, true, true);
+        SkipUntil(tok::comma, StopAtSemi | StopBeforeMatch);
         Actions.ActOnInitializerError(ThisDecl);
       } else
         Actions.AddInitializerToDecl(ThisDecl, Init.take(),
@@ -1892,7 +1897,7 @@
 
     if (ParseExpressionList(Exprs, CommaLocs)) {
       Actions.ActOnInitializerError(ThisDecl);
-      SkipUntil(tok::r_paren);
+      SkipUntil(tok::r_paren, StopAtSemi);
 
       if (getLangOpts().CPlusPlus && D.getCXXScopeSpec().isSet()) {
         Actions.ActOnCXXExitDeclInitializer(getCurScope(), ThisDecl);
@@ -2299,7 +2304,7 @@
   SourceLocation EllipsisLoc;
   ExprResult ArgExpr = ParseAlignArgument(T.getOpenLocation(), EllipsisLoc);
   if (ArgExpr.isInvalid()) {
-    SkipUntil(tok::r_paren);
+    T.skipToEnd();
     return;
   }
 
@@ -3199,7 +3204,7 @@
       ConsumeToken();
       ExprResult Res(ParseConstantExpression());
       if (Res.isInvalid())
-        SkipUntil(tok::semi, true, true);
+        SkipUntil(tok::semi, StopBeforeMatch);
       else
         DeclaratorInfo.BitfieldSize = Res.release();
     }
@@ -3301,14 +3306,14 @@
       ConsumeToken();
       if (!Tok.isObjCAtKeyword(tok::objc_defs)) {
         Diag(Tok, diag::err_unexpected_at);
-        SkipUntil(tok::semi, true);
+        SkipUntil(tok::semi);
         continue;
       }
       ConsumeToken();
       ExpectAndConsume(tok::l_paren, diag::err_expected_lparen);
       if (!Tok.is(tok::identifier)) {
         Diag(Tok, diag::err_expected_ident);
-        SkipUntil(tok::semi, true);
+        SkipUntil(tok::semi);
         continue;
       }
       SmallVector<Decl *, 16> Fields;
@@ -3327,7 +3332,7 @@
     } else {
       ExpectAndConsume(tok::semi, diag::err_expected_semi_decl_list);
       // Skip to end of block or statement to avoid ext-warning on extra ';'.
-      SkipUntil(tok::r_brace, true, true);
+      SkipUntil(tok::r_brace, StopAtSemi | StopBeforeMatch);
       // If we stopped at a ';', eat it.
       if (Tok.is(tok::semi)) ConsumeToken();
     }
@@ -3451,7 +3456,7 @@
       if (Tok.isNot(tok::l_brace)) {
         // Has no name and is not a definition.
         // Skip the rest of this declarator, up until the comma or semicolon.
-        SkipUntil(tok::comma, true);
+        SkipUntil(tok::comma, StopAtSemi);
         return;
       }
     }
@@ -3463,7 +3468,7 @@
     Diag(Tok, diag::err_expected_ident_lbrace);
 
     // Skip the rest of this declarator, up until the comma or semicolon.
-    SkipUntil(tok::comma, true);
+    SkipUntil(tok::comma, StopAtSemi);
     return;
   }
 
@@ -3581,7 +3586,7 @@
       Diag(Tok.getLocation(), diag::err_friend_decl_defines_type)
         << SourceRange(DS.getFriendSpecLoc());
       ConsumeBrace();
-      SkipUntil(tok::r_brace);
+      SkipUntil(tok::r_brace, StopAtSemi);
       TUK = Sema::TUK_Friend;
     } else {
       TUK = Sema::TUK_Definition;
@@ -3614,7 +3619,7 @@
     if (!getLangOpts().CPlusPlus11 || !SS.isSet()) {
       // Skip the rest of this declarator, up until the comma or semicolon.
       Diag(Tok, diag::err_enum_template);
-      SkipUntil(tok::comma, true);
+      SkipUntil(tok::comma, StopAtSemi);
       return;
     }
 
@@ -3637,7 +3642,7 @@
     Diag(Tok, diag::err_enumerator_unnamed_no_def);
 
     // Skip the rest of this declarator, up until the comma or semicolon.
-    SkipUntil(tok::comma, true);
+    SkipUntil(tok::comma, StopAtSemi);
     return;
   }
 
@@ -3681,7 +3686,7 @@
     // definition, consume the entire definition.
     if (Tok.is(tok::l_brace) && TUK != Sema::TUK_Reference) {
       ConsumeBrace();
-      SkipUntil(tok::r_brace);
+      SkipUntil(tok::r_brace, StopAtSemi);
     }
 
     DS.SetTypeSpecError();
@@ -3742,7 +3747,7 @@
       EqualLoc = ConsumeToken();
       AssignedVal = ParseConstantExpression();
       if (AssignedVal.isInvalid())
-        SkipUntil(tok::comma, tok::r_brace, true, true);
+        SkipUntil(tok::comma, tok::r_brace, StopAtSemi | StopBeforeMatch);
     }
 
     // Install the enumerator constant into EnumDecl.
@@ -5189,7 +5194,7 @@
     // If this isn't an identifier, report the error and skip until ')'.
     if (Tok.isNot(tok::identifier)) {
       Diag(Tok, diag::err_expected_ident);
-      SkipUntil(tok::r_paren, /*StopAtSemi=*/true, /*DontConsume=*/true);
+      SkipUntil(tok::r_paren, StopAtSemi | StopBeforeMatch);
       // Forget we parsed anything.
       ParamInfo.clear();
       return;
@@ -5368,7 +5373,7 @@
             DefArgResult = ParseAssignmentExpression();
           if (DefArgResult.isInvalid()) {
             Actions.ActOnParamDefaultArgumentError(Param);
-            SkipUntil(tok::comma, tok::r_paren, true, true);
+            SkipUntil(tok::comma, tok::r_paren, StopAtSemi | StopBeforeMatch);
           } else {
             // Inform the actions module about the default argument
             Actions.ActOnParamDefaultArgument(Param, EqualLoc,
@@ -5503,7 +5508,7 @@
   if (NumElements.isInvalid()) {
     D.setInvalidType(true);
     // If the expression was invalid, skip it.
-    SkipUntil(tok::r_square);
+    SkipUntil(tok::r_square, StopAtSemi);
     return;
   }
 
@@ -5600,7 +5605,7 @@
 
   TypeResult Result = ParseTypeName();
   if (Result.isInvalid()) {
-    SkipUntil(tok::r_paren);
+    SkipUntil(tok::r_paren, StopAtSemi);
     return;
   }
 
diff --git a/lib/Parse/ParseDeclCXX.cpp b/lib/Parse/ParseDeclCXX.cpp
index 0c3eab4..bf615f0 100644
--- a/lib/Parse/ParseDeclCXX.cpp
+++ b/lib/Parse/ParseDeclCXX.cpp
@@ -124,13 +124,13 @@
           << SourceRange(ExtraNamespaceLoc.front(), ExtraIdentLoc.back());
     }
     Diag(T.getOpenLocation(), diag::err_namespace_nonnamespace_scope);
-    SkipUntil(tok::r_brace, false);
+    SkipUntil(tok::r_brace);
     return 0;
   }
 
   if (!ExtraIdent.empty()) {
     TentativeParsingAction TPA(*this);
-    SkipUntil(tok::r_brace, /*StopAtSemi*/false, /*DontConsume*/true);
+    SkipUntil(tok::r_brace, StopBeforeMatch);
     Token rBraceToken = Tok;
     TPA.Revert();
 
@@ -742,8 +742,7 @@
       Result = ParseExpression();
       if (Result.isInvalid()) {
         DS.SetTypeSpecError();
-        if (SkipUntil(tok::r_paren, /*StopAtSemi=*/true,
-                      /*DontConsume=*/true)) {
+        if (SkipUntil(tok::r_paren, StopAtSemi | StopBeforeMatch)) {
           EndLoc = ConsumeParen();
         } else {
           if (PP.isBacktrackEnabled() && Tok.is(tok::semi)) {
@@ -826,7 +825,7 @@
 
   TypeResult Result = ParseTypeName();
   if (Result.isInvalid()) {
-    SkipUntil(tok::r_paren);
+    SkipUntil(tok::r_paren, StopAtSemi);
     return;
   }
 
@@ -1293,7 +1292,7 @@
         << TemplateId->Name << static_cast<int>(TemplateId->Kind) << Range;
 
       DS.SetTypeSpecError();
-      SkipUntil(tok::semi, false, true);
+      SkipUntil(tok::semi, StopBeforeMatch);
       return;
     }
   }
@@ -1341,7 +1340,7 @@
 
       // Skip everything up to the semicolon, so that this looks like a proper
       // friend class (or template thereof) declaration.
-      SkipUntil(tok::semi, true, true);
+      SkipUntil(tok::semi, StopBeforeMatch);
       TUK = Sema::TUK_Friend;
     } else {
       // Okay, this is a class definition.
@@ -1360,12 +1359,12 @@
     while (true) {
       if (Tok.is(tok::l_square) && NextToken().is(tok::l_square)) {
         ConsumeBracket();
-        if (!SkipUntil(tok::r_square))
+        if (!SkipUntil(tok::r_square, StopAtSemi))
           break;
       } else if (Tok.is(tok::kw_alignas) && NextToken().is(tok::l_paren)) {
         ConsumeToken();
         ConsumeParen();
-        if (!SkipUntil(tok::r_paren))
+        if (!SkipUntil(tok::r_paren, StopAtSemi))
           break;
       } else {
         break;
@@ -1430,7 +1429,7 @@
         << DeclSpec::getSpecifierName(TagType);
     }
 
-    SkipUntil(tok::comma, true);
+    SkipUntil(tok::comma, StopAtSemi);
     return;
   }
 
@@ -1673,7 +1672,7 @@
     if (Result.isInvalid()) {
       // Skip the rest of this base specifier, up until the comma or
       // opening brace.
-      SkipUntil(tok::comma, tok::l_brace, true, true);
+      SkipUntil(tok::comma, tok::l_brace, StopAtSemi | StopBeforeMatch);
     } else {
       // Add this to our array of base specifiers.
       BaseInfo.push_back(Result.get());
@@ -1955,7 +1954,7 @@
       Diag(Tok, diag::err_at_in_class);
 
     ConsumeToken();
-    SkipUntil(tok::r_brace);
+    SkipUntil(tok::r_brace, StopAtSemi);
     return;
   }
 
@@ -2056,7 +2055,7 @@
 
     if (Tok.is(tok::kw_namespace)) {
       Diag(UsingLoc, diag::err_using_namespace_in_class);
-      SkipUntil(tok::semi, true, true);
+      SkipUntil(tok::semi, StopBeforeMatch);
     } else {
       SourceLocation DeclEnd;
       // Otherwise, it must be a using-declaration or an alias-declaration.
@@ -2112,7 +2111,7 @@
     // Error parsing the declarator?
     if (!DeclaratorInfo.hasName()) {
       // If so, skip until the semi-colon or a }.
-      SkipUntil(tok::r_brace, true, true);
+      SkipUntil(tok::r_brace, StopAtSemi | StopBeforeMatch);
       if (Tok.is(tok::semi))
         ConsumeToken();
       return;
@@ -2131,7 +2130,7 @@
       EqualLoc = ConsumeToken();
       Init = ParseInitializer();
       if (Init.isInvalid())
-        SkipUntil(tok::comma, true, true);
+        SkipUntil(tok::comma, StopAtSemi | StopBeforeMatch);
       else
         HasInitializer = true;
     }
@@ -2169,7 +2168,7 @@
       if (!DeclaratorInfo.isFunctionDeclarator()) {
         Diag(DeclaratorInfo.getIdentifierLoc(), diag::err_func_def_no_params);
         ConsumeBrace();
-        SkipUntil(tok::r_brace, /*StopAtSemi*/false);
+        SkipUntil(tok::r_brace);
 
         // Consume the optional ';'
         if (Tok.is(tok::semi))
@@ -2224,7 +2223,7 @@
       ConsumeToken();
       BitfieldSize = ParseConstantExpression();
       if (BitfieldSize.isInvalid())
-        SkipUntil(tok::comma, true, true);
+        SkipUntil(tok::comma, StopAtSemi | StopBeforeMatch);
     }
 
     // If a simple-asm-expr is present, parse it.
@@ -2232,7 +2231,7 @@
       SourceLocation Loc;
       ExprResult AsmLabel(ParseSimpleAsm(&Loc));
       if (AsmLabel.isInvalid())
-        SkipUntil(tok::comma, true, true);
+        SkipUntil(tok::comma, StopAtSemi | StopBeforeMatch);
  
       DeclaratorInfo.setAsmLabel(AsmLabel.release());
       DeclaratorInfo.SetRangeEnd(Loc);
@@ -2249,7 +2248,7 @@
     if ((Tok.is(tok::equal) || Tok.is(tok::l_brace)) && !HasInitializer) {
       if (BitfieldSize.get()) {
         Diag(Tok, diag::err_bitfield_member_init);
-        SkipUntil(tok::comma, true, true);
+        SkipUntil(tok::comma, StopAtSemi | StopBeforeMatch);
       } else {
         HasInitializer = true;
         if (!DeclaratorInfo.isDeclarationOfFunction() &&
@@ -2316,7 +2315,7 @@
         // A brace-or-equal-initializer for a member-declarator is not an
         // initializer in the grammar, so this is ill-formed.
         Diag(Tok, diag::err_incomplete_array_member_init);
-        SkipUntil(tok::comma, true, true);
+        SkipUntil(tok::comma, StopAtSemi | StopBeforeMatch);
 
         // Avoid later warnings about a class member of incomplete type.
         if (ThisDecl)
@@ -2330,7 +2329,7 @@
             ThisDecl, DeclaratorInfo.isDeclarationOfFunction(), EqualLoc);
 
       if (Init.isInvalid())
-        SkipUntil(tok::comma, true, true);
+        SkipUntil(tok::comma, StopAtSemi | StopBeforeMatch);
       else if (ThisDecl)
         Actions.AddInitializerToDecl(ThisDecl, Init.get(), EqualLoc.isInvalid(),
                                      DS.containsPlaceholderType());
@@ -2396,7 +2395,7 @@
   if (ExpectSemi &&
       ExpectAndConsume(tok::semi, diag::err_expected_semi_decl_list)) {
     // Skip to end of block or statement.
-    SkipUntil(tok::r_brace, true, true);
+    SkipUntil(tok::r_brace, StopAtSemi | StopBeforeMatch);
     // If we stopped at a ';', eat it.
     if (Tok.is(tok::semi)) ConsumeToken();
     return;
@@ -2678,7 +2677,7 @@
 
     T.consumeClose();
   } else {
-    SkipUntil(tok::r_brace, false, false);
+    SkipUntil(tok::r_brace);
   }
 
   // If attributes exist after class contents, parse them.
@@ -2800,7 +2799,7 @@
     } else {
       // Skip over garbage, until we get to '{'.  Don't eat the '{'.
       Diag(Tok.getLocation(), diag::err_expected_lbrace_or_comma);
-      SkipUntil(tok::l_brace, true, true);
+      SkipUntil(tok::l_brace, StopAtSemi | StopBeforeMatch);
       break;
     }
   } while (true);
@@ -2881,7 +2880,7 @@
     ExprVector ArgExprs;
     CommaLocsTy CommaLocs;
     if (Tok.isNot(tok::r_paren) && ParseExpressionList(ArgExprs, CommaLocs)) {
-      SkipUntil(tok::r_paren);
+      SkipUntil(tok::r_paren, StopAtSemi);
       return true;
     }
 
@@ -3263,7 +3262,7 @@
       AttrName = TryParseCXX11AttributeIdentifier(AttrLoc);
       if (!AttrName) {
         Diag(Tok.getLocation(), diag::err_expected_ident);
-        SkipUntil(tok::r_square, tok::comma, true, true);
+        SkipUntil(tok::r_square, tok::comma, StopAtSemi | StopBeforeMatch);
         continue;
       }
     }
@@ -3289,7 +3288,7 @@
 
         // FIXME: handle other formats of c++11 attribute arguments
         ConsumeParen();
-        SkipUntil(tok::r_paren, false);
+        SkipUntil(tok::r_paren);
       }
     }
 
@@ -3308,11 +3307,11 @@
   }
 
   if (ExpectAndConsume(tok::r_square, diag::err_expected_rsquare))
-    SkipUntil(tok::r_square, false);
+    SkipUntil(tok::r_square);
   if (endLoc)
     *endLoc = Tok.getLocation();
   if (ExpectAndConsume(tok::r_square, diag::err_expected_rsquare))
-    SkipUntil(tok::r_square, false);
+    SkipUntil(tok::r_square);
 }
 
 /// ParseCXX11Attributes - Parse a C++11 attribute-specifier-seq.
@@ -3380,7 +3379,7 @@
   while (Tok.is(tok::l_square)) {
     // FIXME: If this is actually a C++11 attribute, parse it as one.
     ConsumeBracket();
-    SkipUntil(tok::r_square, true, true);
+    SkipUntil(tok::r_square, StopAtSemi | StopBeforeMatch);
     if (endLoc) *endLoc = Tok.getLocation();
     ExpectAndConsume(tok::r_square, diag::err_expected_rsquare);
   }
diff --git a/lib/Parse/ParseExpr.cpp b/lib/Parse/ParseExpr.cpp
index 65b9b82..45f1b1d 100644
--- a/lib/Parse/ParseExpr.cpp
+++ b/lib/Parse/ParseExpr.cpp
@@ -1391,12 +1391,12 @@
         if (Tok.is(tok::greatergreatergreater)) {
           ConsumeToken();
         } else if (LHS.isInvalid()) {
-          SkipUntil(tok::greatergreatergreater);
+          SkipUntil(tok::greatergreatergreater, StopAtSemi);
         } else {
           // There was an error closing the brackets
           Diag(Tok, diag::err_expected_ggg);
           Diag(OpenLoc, diag::note_matching) << "<<<";
-          SkipUntil(tok::greatergreatergreater);
+          SkipUntil(tok::greatergreatergreater, StopAtSemi);
           LHS = ExprError();
         }
 
@@ -1442,7 +1442,7 @@
 
       // Match the ')'.
       if (LHS.isInvalid()) {
-        SkipUntil(tok::r_paren);
+        SkipUntil(tok::r_paren, StopAtSemi);
       } else if (Tok.isNot(tok::r_paren)) {
         PT.consumeClose();
         LHS = ExprError();
@@ -1696,7 +1696,7 @@
           RParenLoc = PP.getLocForEndOfToken(NameLoc);
       } else {
         Diag(Tok, diag::err_expected_parameter_pack);
-        SkipUntil(tok::r_paren);
+        SkipUntil(tok::r_paren, StopAtSemi);
       }
     } else if (Tok.is(tok::identifier)) {
       Name = Tok.getIdentifierInfo();
@@ -1822,7 +1822,7 @@
     SourceLocation TypeLoc = Tok.getLocation();
     TypeResult Ty = ParseTypeName();
     if (Ty.isInvalid()) {
-      SkipUntil(tok::r_paren);
+      SkipUntil(tok::r_paren, StopAtSemi);
       return ExprError();
     }
 
@@ -1832,7 +1832,7 @@
     // We must have at least one identifier here.
     if (Tok.isNot(tok::identifier)) {
       Diag(Tok, diag::err_expected_ident);
-      SkipUntil(tok::r_paren);
+      SkipUntil(tok::r_paren, StopAtSemi);
       return ExprError();
     }
 
@@ -1854,7 +1854,7 @@
 
         if (Tok.isNot(tok::identifier)) {
           Diag(Tok, diag::err_expected_ident);
-          SkipUntil(tok::r_paren);
+          SkipUntil(tok::r_paren, StopAtSemi);
           return ExprError();
         }
         Comps.back().U.IdentInfo = Tok.getIdentifierInfo();
@@ -1872,7 +1872,7 @@
         Comps.back().LocStart = ST.getOpenLocation();
         Res = ParseExpression();
         if (Res.isInvalid()) {
-          SkipUntil(tok::r_paren);
+          SkipUntil(tok::r_paren, StopAtSemi);
           return Res;
         }
         Comps.back().U.E = Res.release();
@@ -1899,7 +1899,7 @@
   case tok::kw___builtin_choose_expr: {
     ExprResult Cond(ParseAssignmentExpression());
     if (Cond.isInvalid()) {
-      SkipUntil(tok::r_paren);
+      SkipUntil(tok::r_paren, StopAtSemi);
       return Cond;
     }
     if (ExpectAndConsume(tok::comma, diag::err_expected_comma, "",tok::r_paren))
@@ -1907,7 +1907,7 @@
 
     ExprResult Expr1(ParseAssignmentExpression());
     if (Expr1.isInvalid()) {
-      SkipUntil(tok::r_paren);
+      SkipUntil(tok::r_paren, StopAtSemi);
       return Expr1;
     }
     if (ExpectAndConsume(tok::comma, diag::err_expected_comma, "",tok::r_paren))
@@ -1915,7 +1915,7 @@
 
     ExprResult Expr2(ParseAssignmentExpression());
     if (Expr2.isInvalid()) {
-      SkipUntil(tok::r_paren);
+      SkipUntil(tok::r_paren, StopAtSemi);
       return Expr2;
     }
     if (Tok.isNot(tok::r_paren)) {
@@ -1930,7 +1930,7 @@
     // The first argument is an expression to be converted, followed by a comma.
     ExprResult Expr(ParseAssignmentExpression());
     if (Expr.isInvalid()) {
-      SkipUntil(tok::r_paren);
+      SkipUntil(tok::r_paren, StopAtSemi);
       return ExprError();
     }
     
@@ -1946,7 +1946,7 @@
     // Attempt to consume the r-paren.
     if (Tok.isNot(tok::r_paren)) {
       Diag(Tok, diag::err_expected_rparen);
-      SkipUntil(tok::r_paren);
+      SkipUntil(tok::r_paren, StopAtSemi);
       return ExprError();
     }
     
@@ -1958,7 +1958,7 @@
     // The first argument is an expression to be converted, followed by a comma.
     ExprResult Expr(ParseAssignmentExpression());
     if (Expr.isInvalid()) {
-      SkipUntil(tok::r_paren);
+      SkipUntil(tok::r_paren, StopAtSemi);
       return ExprError();
     }
     
@@ -1974,7 +1974,7 @@
     // Attempt to consume the r-paren.
     if (Tok.isNot(tok::r_paren)) {
       Diag(Tok, diag::err_expected_rparen);
-      SkipUntil(tok::r_paren);
+      SkipUntil(tok::r_paren, StopAtSemi);
       return ExprError();
     }
     
@@ -2223,7 +2223,7 @@
 
   // Match the ')'.
   if (Result.isInvalid()) {
-    SkipUntil(tok::r_paren);
+    SkipUntil(tok::r_paren, StopAtSemi);
     return ExprError();
   }
 
@@ -2309,13 +2309,13 @@
     EnterExpressionEvaluationContext Unevaluated(Actions, Sema::Unevaluated);
     ControllingExpr = ParseAssignmentExpression();
     if (ControllingExpr.isInvalid()) {
-      SkipUntil(tok::r_paren);
+      SkipUntil(tok::r_paren, StopAtSemi);
       return ExprError();
     }
   }
 
   if (ExpectAndConsume(tok::comma, diag::err_expected_comma, "")) {
-    SkipUntil(tok::r_paren);
+    SkipUntil(tok::r_paren, StopAtSemi);
     return ExprError();
   }
 
@@ -2330,7 +2330,7 @@
       if (!DefaultLoc.isInvalid()) {
         Diag(Tok, diag::err_duplicate_default_assoc);
         Diag(DefaultLoc, diag::note_previous_default_assoc);
-        SkipUntil(tok::r_paren);
+        SkipUntil(tok::r_paren, StopAtSemi);
         return ExprError();
       }
       DefaultLoc = ConsumeToken();
@@ -2339,7 +2339,7 @@
       ColonProtectionRAIIObject X(*this);
       TypeResult TR = ParseTypeName();
       if (TR.isInvalid()) {
-        SkipUntil(tok::r_paren);
+        SkipUntil(tok::r_paren, StopAtSemi);
         return ExprError();
       }
       Ty = TR.release();
@@ -2347,7 +2347,7 @@
     Types.push_back(Ty);
 
     if (ExpectAndConsume(tok::colon, diag::err_expected_colon, "")) {
-      SkipUntil(tok::r_paren);
+      SkipUntil(tok::r_paren, StopAtSemi);
       return ExprError();
     }
 
@@ -2355,7 +2355,7 @@
     // evaluated context.
     ExprResult ER(ParseAssignmentExpression());
     if (ER.isInvalid()) {
-      SkipUntil(tok::r_paren);
+      SkipUntil(tok::r_paren, StopAtSemi);
       return ExprError();
     }
     Exprs.push_back(ER.release());
diff --git a/lib/Parse/ParseExprCXX.cpp b/lib/Parse/ParseExprCXX.cpp
index 4dd63e3..fe357cf 100644
--- a/lib/Parse/ParseExprCXX.cpp
+++ b/lib/Parse/ParseExprCXX.cpp
@@ -637,9 +637,9 @@
   Optional<unsigned> DiagID(ParseLambdaIntroducer(Intro));
   if (DiagID) {
     Diag(Tok, DiagID.getValue());
-    SkipUntil(tok::r_square);
-    SkipUntil(tok::l_brace);
-    SkipUntil(tok::r_brace);
+    SkipUntil(tok::r_square, StopAtSemi);
+    SkipUntil(tok::l_brace, StopAtSemi);
+    SkipUntil(tok::r_brace, StopAtSemi);
     return ExprError();
   }
 
@@ -1205,7 +1205,7 @@
 
     // Match the ')'.
     if (Result.isInvalid())
-      SkipUntil(tok::r_paren);
+      SkipUntil(tok::r_paren, StopAtSemi);
     else {
       T.consumeClose();
       RParenLoc = T.getCloseLocation();
@@ -1255,7 +1255,7 @@
 
     // Match the ')'.
     if (Result.isInvalid())
-      SkipUntil(tok::r_paren);
+      SkipUntil(tok::r_paren, StopAtSemi);
     else {
       T.consumeClose();
 
@@ -1441,7 +1441,7 @@
 
     if (Tok.isNot(tok::r_paren)) {
       if (ParseExpressionList(Exprs, CommaLocs)) {
-        SkipUntil(tok::r_paren);
+        SkipUntil(tok::r_paren, StopAtSemi);
         return ExprError();
       }
     }
@@ -1527,7 +1527,7 @@
     SourceLocation Loc;
     ExprResult AsmLabel(ParseSimpleAsm(&Loc));
     if (AsmLabel.isInvalid()) {
-      SkipUntil(tok::semi);
+      SkipUntil(tok::semi, StopAtSemi);
       return true;
     }
     DeclaratorInfo.setAsmLabel(AsmLabel.release());
@@ -1559,7 +1559,7 @@
   } else if (Tok.is(tok::l_paren)) {
     // This was probably an attempt to initialize the variable.
     SourceLocation LParen = ConsumeParen(), RParen = LParen;
-    if (SkipUntil(tok::r_paren, true, /*DontConsume=*/true))
+    if (SkipUntil(tok::r_paren, StopAtSemi | StopBeforeMatch))
       RParen = ConsumeParen();
     Diag(DeclOut ? DeclOut->getLocation() : LParen,
          diag::err_expected_init_in_condition_lparen)
@@ -2419,14 +2419,14 @@
     T.consumeOpen();
     PlacementLParen = T.getOpenLocation();
     if (ParseExpressionListOrTypeId(PlacementArgs, DeclaratorInfo)) {
-      SkipUntil(tok::semi, /*StopAtSemi=*/true, /*DontConsume=*/true);
+      SkipUntil(tok::semi, StopAtSemi | StopBeforeMatch);
       return ExprError();
     }
 
     T.consumeClose();
     PlacementRParen = T.getCloseLocation();
     if (PlacementRParen.isInvalid()) {
-      SkipUntil(tok::semi, /*StopAtSemi=*/true, /*DontConsume=*/true);
+      SkipUntil(tok::semi, StopAtSemi | StopBeforeMatch);
       return ExprError();
     }
 
@@ -2469,7 +2469,7 @@
     }
   }
   if (DeclaratorInfo.isInvalidType()) {
-    SkipUntil(tok::semi, /*StopAtSemi=*/true, /*DontConsume=*/true);
+    SkipUntil(tok::semi, StopAtSemi | StopBeforeMatch);
     return ExprError();
   }
 
@@ -2484,14 +2484,14 @@
     if (Tok.isNot(tok::r_paren)) {
       CommaLocsTy CommaLocs;
       if (ParseExpressionList(ConstructorArgs, CommaLocs)) {
-        SkipUntil(tok::semi, /*StopAtSemi=*/true, /*DontConsume=*/true);
+        SkipUntil(tok::semi, StopAtSemi | StopBeforeMatch);
         return ExprError();
       }
     }
     T.consumeClose();
     ConstructorRParen = T.getCloseLocation();
     if (ConstructorRParen.isInvalid()) {
-      SkipUntil(tok::semi, /*StopAtSemi=*/true, /*DontConsume=*/true);
+      SkipUntil(tok::semi, StopAtSemi | StopBeforeMatch);
       return ExprError();
     }
     Initializer = Actions.ActOnParenListExpr(ConstructorLParen,
@@ -2532,7 +2532,7 @@
                                 : ParseConstantExpression());
     if (Size.isInvalid()) {
       // Recover
-      SkipUntil(tok::r_square);
+      SkipUntil(tok::r_square, StopAtSemi);
       return;
     }
     first = false;
@@ -2762,18 +2762,18 @@
 
   TypeResult LhsTy = ParseTypeName();
   if (LhsTy.isInvalid()) {
-    SkipUntil(tok::r_paren);
+    SkipUntil(tok::r_paren, StopAtSemi);
     return ExprError();
   }
 
   if (ExpectAndConsume(tok::comma, diag::err_expected_comma)) {
-    SkipUntil(tok::r_paren);
+    SkipUntil(tok::r_paren, StopAtSemi);
     return ExprError();
   }
 
   TypeResult RhsTy = ParseTypeName();
   if (RhsTy.isInvalid()) {
-    SkipUntil(tok::r_paren);
+    SkipUntil(tok::r_paren, StopAtSemi);
     return ExprError();
   }
 
@@ -2852,8 +2852,8 @@
 
   TypeResult Ty = ParseTypeName();
   if (Ty.isInvalid()) {
-    SkipUntil(tok::comma);
-    SkipUntil(tok::r_paren);
+    SkipUntil(tok::comma, StopAtSemi);
+    SkipUntil(tok::r_paren, StopAtSemi);
     return ExprError();
   }
 
@@ -2865,7 +2865,7 @@
   }
   case ATT_ArrayExtent: {
     if (ExpectAndConsume(tok::comma, diag::err_expected_comma)) {
-      SkipUntil(tok::r_paren);
+      SkipUntil(tok::r_paren, StopAtSemi);
       return ExprError();
     }
 
@@ -3022,7 +3022,7 @@
 
   // Match the ')'.
   if (Result.isInvalid()) {
-    SkipUntil(tok::r_paren);
+    SkipUntil(tok::r_paren, StopAtSemi);
     return ExprError();
   }
 
diff --git a/lib/Parse/ParseInit.cpp b/lib/Parse/ParseInit.cpp
index 8311aa2..37f74bb 100644
--- a/lib/Parse/ParseInit.cpp
+++ b/lib/Parse/ParseInit.cpp
@@ -244,7 +244,7 @@
       bool IsExpr;
       void *TypeOrExpr;
       if (ParseObjCXXMessageReceiver(IsExpr, TypeOrExpr)) {
-        SkipUntil(tok::r_square);
+        SkipUntil(tok::r_square, StopAtSemi);
         return ExprError();
       }
       
@@ -285,7 +285,7 @@
                                                              0);
         ConsumeToken(); // the identifier
         if (!ReceiverType) {
-          SkipUntil(tok::r_square);
+          SkipUntil(tok::r_square, StopAtSemi);
           return ExprError();
         }
 
@@ -312,7 +312,7 @@
     if (!Idx.get()) {
       Idx = ParseAssignmentExpression();
       if (Idx.isInvalid()) {
-        SkipUntil(tok::r_square);
+        SkipUntil(tok::r_square, StopAtSemi);
         return Idx;
       }
     }
@@ -340,7 +340,7 @@
 
       ExprResult RHS(ParseConstantExpression());
       if (RHS.isInvalid()) {
-        SkipUntil(tok::r_square);
+        SkipUntil(tok::r_square, StopAtSemi);
         return RHS;
       }
       Desig.AddDesignator(Designator::getArrayRange(Idx.release(),
@@ -457,7 +457,7 @@
       // immediately, it can't be an error, since there is no other way of
       // leaving this loop except through this if.
       if (Tok.isNot(tok::comma)) {
-        SkipUntil(tok::r_brace, false, true);
+        SkipUntil(tok::r_brace, StopBeforeMatch);
         break;
       }
     }
diff --git a/lib/Parse/ParseObjc.cpp b/lib/Parse/ParseObjc.cpp
index 1dc71f1..86f38cf 100644
--- a/lib/Parse/ParseObjc.cpp
+++ b/lib/Parse/ParseObjc.cpp
@@ -403,7 +403,7 @@
       // method definitions.
       if (ExpectAndConsumeSemi(diag::err_expected_semi_after_method_proto)) {
         // We didn't find a semi and we error'ed out. Skip until a ';' or '@'.
-        SkipUntil(tok::at, /*StopAtSemi=*/true, /*DontConsume=*/true);
+        SkipUntil(tok::at, StopAtSemi | StopBeforeMatch);
         if (Tok.is(tok::semi))
           ConsumeToken();
       }
@@ -476,7 +476,7 @@
       // or something like that.
       Diag(AtLoc, diag::err_objc_illegal_interface_qual);
       // Skip until we see an '@' or '}' or ';'.
-      SkipUntil(tok::r_brace, tok::at);
+      SkipUntil(tok::r_brace, tok::at, StopAtSemi);
       break;
         
     case tok::objc_implementation:
@@ -628,7 +628,7 @@
       if (!SelIdent) {
         Diag(Tok, diag::err_objc_expected_selector_for_getter_setter)
           << IsSetter;
-        SkipUntil(tok::r_paren);
+        SkipUntil(tok::r_paren, StopAtSemi);
         return;
       }
 
@@ -646,7 +646,7 @@
       }
     } else {
       Diag(AttrName, diag::err_objc_expected_property_attr) << II;
-      SkipUntil(tok::r_paren);
+      SkipUntil(tok::r_paren, StopAtSemi);
       return;
     }
 
@@ -943,7 +943,7 @@
   else if (Tok.getLocation() == TypeStartLoc) {
     // If we didn't eat any tokens, then this isn't a type.
     Diag(Tok, diag::err_expected_type);
-    SkipUntil(tok::r_paren);
+    SkipUntil(tok::r_paren, StopAtSemi);
   } else {
     // Otherwise, we found *something*, but didn't get a ')' in the right
     // place.  Emit an error then return what we have as the type.
@@ -1020,7 +1020,7 @@
     Diag(Tok, diag::err_expected_selector_for_method)
       << SourceRange(mLoc, Tok.getLocation());
     // Skip until we get a ; or @.
-    SkipUntil(tok::at, true /*StopAtSemi*/, true /*don't consume*/);
+    SkipUntil(tok::at, StopAtSemi | StopBeforeMatch);
     return 0;
   }
 
@@ -1199,7 +1199,7 @@
 
     if (Tok.isNot(tok::identifier)) {
       Diag(Tok, diag::err_expected_ident);
-      SkipUntil(tok::greater);
+      SkipUntil(tok::greater, StopAtSemi);
       return true;
     }
     ProtocolIdents.push_back(std::make_pair(Tok.getIdentifierInfo(),
@@ -1372,7 +1372,7 @@
     } else {
       Diag(Tok, diag::err_expected_semi_decl_list);
       // Skip to end of block or statement
-      SkipUntil(tok::r_brace, true, true);
+      SkipUntil(tok::r_brace, StopAtSemi | StopBeforeMatch);
     }
   }
   HelperActionsForIvarDeclarations(interfaceDecl, atLoc,
@@ -1534,7 +1534,7 @@
     }
     if (Tok.isNot(tok::r_paren)) {
       Diag(Tok, diag::err_expected_rparen);
-      SkipUntil(tok::r_paren, false); // don't stop at ';'
+      SkipUntil(tok::r_paren); // don't stop at ';'
       return DeclGroupPtrTy();
     }
     rparenLoc = ConsumeParen();
@@ -1809,7 +1809,7 @@
       Diag(Tok, diag::err_expected_rparen);
 
     // Skip forward until we see a left brace, but don't consume it.
-    SkipUntil(tok::l_brace, true, true);
+    SkipUntil(tok::l_brace, StopAtSemi | StopBeforeMatch);
   }
 
   // Require a compound statement.
@@ -1899,7 +1899,7 @@
         if (Tok.is(tok::r_paren))
           RParenLoc = ConsumeParen();
         else // Skip over garbage, until we get to ')'.  Eat the ')'.
-          SkipUntil(tok::r_paren, true, false);
+          SkipUntil(tok::r_paren, StopAtSemi);
 
         StmtResult CatchBody(true);
         if (Tok.is(tok::l_brace))
@@ -2032,7 +2032,7 @@
     Diag(Tok, diag::err_expected_method_body);
 
     // Skip over garbage, until we get to '{'.  Don't eat the '{'.
-    SkipUntil(tok::l_brace, true, true);
+    SkipUntil(tok::l_brace, StopAtSemi | StopBeforeMatch);
 
     // If we didn't find the '{', bail out.
     if (Tok.isNot(tok::l_brace))
@@ -2041,7 +2041,7 @@
 
   if (!MDecl) {
     ConsumeBrace();
-    SkipUntil(tok::r_brace, /*StopAtSemi=*/false);
+    SkipUntil(tok::r_brace);
     return 0;
   }
 
@@ -2351,7 +2351,7 @@
     bool IsExpr;
     void *TypeOrExpr = NULL;
     if (ParseObjCXXMessageReceiver(IsExpr, TypeOrExpr)) {
-      SkipUntil(tok::r_square);
+      SkipUntil(tok::r_square, StopAtSemi);
       return ExprError();
     }
 
@@ -2379,7 +2379,7 @@
 
     case Sema::ObjCClassMessage:
       if (!ReceiverType) {
-        SkipUntil(tok::r_square);
+        SkipUntil(tok::r_square, StopAtSemi);
         return ExprError();
       }
 
@@ -2397,7 +2397,7 @@
   // Otherwise, an arbitrary expression can be the receiver of a send.
   ExprResult Res(ParseExpression());
   if (Res.isInvalid()) {
-    SkipUntil(tok::r_square);
+    SkipUntil(tok::r_square, StopAtSemi);
     return Res;
   }
 
@@ -2483,7 +2483,7 @@
         // We must manually skip to a ']', otherwise the expression skipper will
         // stop at the ']' when it skips to the ';'.  We want it to skip beyond
         // the enclosing expression.
-        SkipUntil(tok::r_square);
+        SkipUntil(tok::r_square, StopAtSemi);
         return ExprError();
       }
 
@@ -2520,7 +2520,7 @@
         // We must manually skip to a ']', otherwise the expression skipper will
         // stop at the ']' when it skips to the ';'.  We want it to skip beyond
         // the enclosing expression.
-        SkipUntil(tok::r_square);
+        SkipUntil(tok::r_square, StopAtSemi);
         return Res;
       }
 
@@ -2564,7 +2564,7 @@
         // We must manually skip to a ']', otherwise the expression skipper will
         // stop at the ']' when it skips to the ';'.  We want it to skip beyond
         // the enclosing expression.
-        SkipUntil(tok::r_square);
+        SkipUntil(tok::r_square, StopAtSemi);
         return Res;
       }
 
@@ -2577,7 +2577,7 @@
     // We must manually skip to a ']', otherwise the expression skipper will
     // stop at the ']' when it skips to the ';'.  We want it to skip beyond
     // the enclosing expression.
-    SkipUntil(tok::r_square);
+    SkipUntil(tok::r_square, StopAtSemi);
     return ExprError();
   }
     
@@ -2589,7 +2589,7 @@
     // We must manually skip to a ']', otherwise the expression skipper will
     // stop at the ']' when it skips to the ';'.  We want it to skip beyond
     // the enclosing expression.
-    SkipUntil(tok::r_square);
+    SkipUntil(tok::r_square, StopAtSemi);
     return ExprError();
   }
   
@@ -2715,7 +2715,7 @@
       // We must manually skip to a ']', otherwise the expression skipper will
       // stop at the ']' when it skips to the ';'.  We want it to skip beyond
       // the enclosing expression.
-      SkipUntil(tok::r_square);
+      SkipUntil(tok::r_square, StopAtSemi);
       return Res;
     }    
     
@@ -2750,7 +2750,7 @@
         // We must manually skip to a '}', otherwise the expression skipper will
         // stop at the '}' when it skips to the ';'.  We want it to skip beyond
         // the enclosing expression.
-        SkipUntil(tok::r_brace);
+        SkipUntil(tok::r_brace, StopAtSemi);
         return KeyExpr;
       }
     }
@@ -2759,7 +2759,7 @@
       ConsumeToken();
     } else {
       Diag(Tok, diag::err_expected_colon);
-      SkipUntil(tok::r_brace);
+      SkipUntil(tok::r_brace, StopAtSemi);
       return ExprError();
     }
     
@@ -2768,7 +2768,7 @@
       // We must manually skip to a '}', otherwise the expression skipper will
       // stop at the '}' when it skips to the ';'.  We want it to skip beyond
       // the enclosing expression.
-      SkipUntil(tok::r_brace);
+      SkipUntil(tok::r_brace, StopAtSemi);
       return ValueExpr;
     }
     
diff --git a/lib/Parse/ParseOpenMP.cpp b/lib/Parse/ParseOpenMP.cpp
index 992a443..89e4147 100644
--- a/lib/Parse/ParseOpenMP.cpp
+++ b/lib/Parse/ParseOpenMP.cpp
@@ -31,6 +31,7 @@
 ///
 Parser::DeclGroupPtrTy Parser::ParseOpenMPDeclarativeDirective() {
   assert(Tok.is(tok::annot_pragma_openmp) && "Not an OpenMP directive!");
+  ParenBraceBracketBalancer BalancerRAIIObj(*this);
 
   SourceLocation Loc = ConsumeToken();
   SmallVector<Expr *, 5> Identifiers;
@@ -47,7 +48,7 @@
       if (Tok.isNot(tok::annot_pragma_openmp_end)) {
         Diag(Tok, diag::warn_omp_extra_tokens_at_eol)
           << getOpenMPDirectiveName(OMPD_threadprivate);
-        SkipUntil(tok::annot_pragma_openmp_end, false, true);
+        SkipUntil(tok::annot_pragma_openmp_end, StopBeforeMatch);
       }
       // Skip the last annot_pragma_openmp_end.
       ConsumeToken();
@@ -65,7 +66,7 @@
       << getOpenMPDirectiveName(DKind);
     break;
   }
-  SkipUntil(tok::annot_pragma_openmp_end, false);
+  SkipUntil(tok::annot_pragma_openmp_end);
   return DeclGroupPtrTy();
 }
 
@@ -80,6 +81,7 @@
 ///
 StmtResult Parser::ParseOpenMPDeclarativeOrExecutableDirective() {
   assert(Tok.is(tok::annot_pragma_openmp) && "Not an OpenMP directive!");
+  ParenBraceBracketBalancer BalancerRAIIObj(*this);
   SmallVector<Expr *, 5> Identifiers;
   SmallVector<OMPClause *, 5> Clauses;
   SmallVector<llvm::PointerIntPair<OMPClause *, 1, bool>, NUM_OPENMP_CLAUSES>
@@ -103,14 +105,14 @@
       if (Tok.isNot(tok::annot_pragma_openmp_end)) {
         Diag(Tok, diag::warn_omp_extra_tokens_at_eol)
           << getOpenMPDirectiveName(OMPD_threadprivate);
-        SkipUntil(tok::annot_pragma_openmp_end, false, true);
+        SkipUntil(tok::annot_pragma_openmp_end, StopBeforeMatch);
       }
       DeclGroupPtrTy Res =
         Actions.ActOnOpenMPThreadprivateDirective(Loc,
                                                   Identifiers);
       Directive = Actions.ActOnDeclStmt(Res, Loc, Tok.getLocation());
     }
-    SkipUntil(tok::annot_pragma_openmp_end, false);
+    SkipUntil(tok::annot_pragma_openmp_end);
     break;
   case OMPD_parallel: {
     ConsumeToken();
@@ -169,13 +171,13 @@
     break;
   case OMPD_unknown:
     Diag(Tok, diag::err_omp_unknown_directive);
-    SkipUntil(tok::annot_pragma_openmp_end, false);
+    SkipUntil(tok::annot_pragma_openmp_end);
     break;
   case OMPD_task:
   case NUM_OPENMP_DIRECTIVES:
     Diag(Tok, diag::err_omp_unexpected_directive)
       << getOpenMPDirectiveName(DKind);
-    SkipUntil(tok::annot_pragma_openmp_end, false);
+    SkipUntil(tok::annot_pragma_openmp_end);
     break;
   }
   return Directive;
@@ -212,17 +214,17 @@
         ParseOptionalCXXScopeSpecifier(SS, ParsedType(), false)) {
       IsCorrect = false;
       SkipUntil(tok::comma, tok::r_paren, tok::annot_pragma_openmp_end,
-                false, true);
+                StopBeforeMatch);
     } else if (ParseUnqualifiedId(SS, false, false, false, ParsedType(),
                                   TemplateKWLoc, Name)) {
       IsCorrect = false;
       SkipUntil(tok::comma, tok::r_paren, tok::annot_pragma_openmp_end,
-                false, true);
+                StopBeforeMatch);
     } else if (Tok.isNot(tok::comma) && Tok.isNot(tok::r_paren) &&
                Tok.isNot(tok::annot_pragma_openmp_end)) {
       IsCorrect = false;
       SkipUntil(tok::comma, tok::r_paren, tok::annot_pragma_openmp_end,
-                false, true);
+                StopBeforeMatch);
       Diag(PrevTok.getLocation(), diag::err_expected_ident)
         << SourceRange(PrevTok.getLocation(), PrevTokLocation);
     } else {
@@ -285,13 +287,13 @@
   case OMPC_unknown:
     Diag(Tok, diag::warn_omp_extra_tokens_at_eol)
       << getOpenMPDirectiveName(DKind);
-    SkipUntil(tok::annot_pragma_openmp_end, false, true);
+    SkipUntil(tok::annot_pragma_openmp_end, StopBeforeMatch);
     break;
   case OMPC_threadprivate:
   case NUM_OPENMP_CLAUSES:
     Diag(Tok, diag::err_omp_unexpected_clause)
       << getOpenMPClauseName(CKind) << getOpenMPDirectiveName(DKind);
-    SkipUntil(tok::comma, tok::annot_pragma_openmp_end, false, true);
+    SkipUntil(tok::comma, tok::annot_pragma_openmp_end, StopBeforeMatch);
     break;
   }
   return ErrorFound ? 0 : Clause;
@@ -355,7 +357,7 @@
       Vars.push_back(VarExpr.take());
     } else {
       SkipUntil(tok::comma, tok::r_paren, tok::annot_pragma_openmp_end,
-                false, true);
+                StopBeforeMatch);
     }
     // Skip ',' if any
     IsComma = Tok.is(tok::comma);
diff --git a/lib/Parse/ParseStmt.cpp b/lib/Parse/ParseStmt.cpp
index e32d619..d1f2138 100644
--- a/lib/Parse/ParseStmt.cpp
+++ b/lib/Parse/ParseStmt.cpp
@@ -201,7 +201,7 @@
             == ANK_Error) {
         // Handle errors here by skipping up to the next semicolon or '}', and
         // eat the semicolon if that's what stopped us.
-        SkipUntil(tok::r_brace, /*StopAtSemi=*/true, /*DontConsume=*/true);
+        SkipUntil(tok::r_brace, StopAtSemi | StopBeforeMatch);
         if (Tok.is(tok::semi))
           ConsumeToken();
         return StmtError();
@@ -356,7 +356,7 @@
     // succeed.
     ExpectAndConsume(tok::semi, diag::err_expected_semi_after_stmt, SemiError);
     // Skip until we see a } or ;, but don't eat it.
-    SkipUntil(tok::r_brace, true, true);
+    SkipUntil(tok::r_brace, StopAtSemi | StopBeforeMatch);
   }
 
   return Res;
@@ -373,7 +373,7 @@
     // If the expression is invalid, skip ahead to the next semicolon or '}'.
     // Not doing this opens us up to the possibility of infinite loops if
     // ParseExpression does not consume any tokens.
-    SkipUntil(tok::r_brace, /*StopAtSemi=*/true, /*DontConsume=*/true);
+    SkipUntil(tok::r_brace, StopAtSemi | StopBeforeMatch);
     if (Tok.is(tok::semi))
       ConsumeToken();
     return Actions.ActOnExprStmtError();
@@ -617,7 +617,7 @@
     ExprResult LHS(MissingCase ? Expr : ParseConstantExpression());
     MissingCase = false;
     if (LHS.isInvalid()) {
-      SkipUntil(tok::colon);
+      SkipUntil(tok::colon, StopAtSemi);
       return StmtError();
     }
 
@@ -630,7 +630,7 @@
 
       RHS = ParseConstantExpression();
       if (RHS.isInvalid()) {
-        SkipUntil(tok::colon);
+        SkipUntil(tok::colon, StopAtSemi);
         return StmtError();
       }
     }
@@ -1196,7 +1196,7 @@
     // will have no place to connect back with the switch.
     if (Tok.is(tok::l_brace)) {
       ConsumeBrace();
-      SkipUntil(tok::r_brace, false, false);
+      SkipUntil(tok::r_brace);
     } else
       SkipUntil(tok::semi);
     return Switch;
@@ -1347,7 +1347,7 @@
     if (!Body.isInvalid()) {
       Diag(Tok, diag::err_expected_while);
       Diag(DoLoc, diag::note_matching) << "do";
-      SkipUntil(tok::semi, false, true);
+      SkipUntil(tok::semi, StopBeforeMatch);
     }
     return StmtError();
   }
@@ -1355,7 +1355,7 @@
 
   if (Tok.isNot(tok::l_paren)) {
     Diag(Tok, diag::err_expected_lparen_after) << "do/while";
-    SkipUntil(tok::semi, false, true);
+    SkipUntil(tok::semi, StopBeforeMatch);
     return StmtError();
   }
 
@@ -1531,14 +1531,14 @@
       //   for (expr : expr) { ... }
       Diag(Tok, diag::err_for_range_expected_decl)
         << FirstPart.get()->getSourceRange();
-      SkipUntil(tok::r_paren, false, true);
+      SkipUntil(tok::r_paren, StopBeforeMatch);
       SecondPartIsInvalid = true;
     } else {
       if (!Value.isInvalid()) {
         Diag(Tok, diag::err_expected_semi_for);
       } else {
         // Skip until semicolon or rparen, don't consume it.
-        SkipUntil(tok::r_paren, true, true);
+        SkipUntil(tok::r_paren, StopAtSemi | StopBeforeMatch);
         if (Tok.is(tok::semi))
           ConsumeToken();
       }
@@ -1570,7 +1570,7 @@
         Diag(Tok, diag::err_expected_semi_for);
       else
         // Skip until semicolon or rparen, don't consume it.
-        SkipUntil(tok::r_paren, true, true);
+        SkipUntil(tok::r_paren, StopAtSemi | StopBeforeMatch);
     }
 
     if (Tok.is(tok::semi)) {
@@ -1672,7 +1672,7 @@
     SourceLocation StarLoc = ConsumeToken();
     ExprResult R(ParseExpression());
     if (R.isInvalid()) {  // Skip to the semicolon, but don't consume it.
-      SkipUntil(tok::semi, false, true);
+      SkipUntil(tok::semi, StopBeforeMatch);
       return StmtError();
     }
     Res = Actions.ActOnIndirectGotoStmt(GotoLoc, StarLoc, R.take());
@@ -1731,7 +1731,7 @@
     } else
         R = ParseExpression();
     if (R.isInvalid()) {  // Skip to the semicolon, but don't consume it.
-      SkipUntil(tok::semi, false, true);
+      SkipUntil(tok::semi, StopBeforeMatch);
       return StmtError();
     }
   }
@@ -2279,7 +2279,7 @@
   bool isVolatile = DS.getTypeQualifiers() & DeclSpec::TQ_volatile;
   if (Tok.isNot(tok::l_paren)) {
     Diag(Tok, diag::err_expected_lparen_after) << "asm";
-    SkipUntil(tok::r_paren);
+    SkipUntil(tok::r_paren, StopAtSemi);
     return StmtError();
   }
   BalancedDelimiterTracker T(*this, tok::l_paren);
@@ -2398,7 +2398,7 @@
 
       if (Tok.isNot(tok::identifier)) {
         Diag(Tok, diag::err_expected_ident);
-        SkipUntil(tok::r_paren);
+        SkipUntil(tok::r_paren, StopAtSemi);
         return true;
       }
 
@@ -2412,14 +2412,14 @@
 
     ExprResult Constraint(ParseAsmStringLiteral());
     if (Constraint.isInvalid()) {
-        SkipUntil(tok::r_paren);
+        SkipUntil(tok::r_paren, StopAtSemi);
         return true;
     }
     Constraints.push_back(Constraint.release());
 
     if (Tok.isNot(tok::l_paren)) {
       Diag(Tok, diag::err_expected_lparen_after) << "asm operand";
-      SkipUntil(tok::r_paren);
+      SkipUntil(tok::r_paren, StopAtSemi);
       return true;
     }
 
@@ -2429,7 +2429,7 @@
     ExprResult Res(ParseExpression());
     T.consumeClose();
     if (Res.isInvalid()) {
-      SkipUntil(tok::r_paren);
+      SkipUntil(tok::r_paren, StopAtSemi);
       return true;
     }
     Exprs.push_back(Res.release());
@@ -2511,7 +2511,7 @@
 
   if (!PP.isCodeCompletionEnabled()) {
     ConsumeBrace();
-    SkipUntil(tok::r_brace, /*StopAtSemi=*/false, /*DontConsume=*/false);
+    SkipUntil(tok::r_brace);
     return true;
   }
 
@@ -2519,8 +2519,7 @@
   // the body contains the code-completion point.
   TentativeParsingAction PA(*this);
   ConsumeBrace();
-  if (SkipUntil(tok::r_brace, /*StopAtSemi=*/false, /*DontConsume=*/false,
-                /*StopAtCodeCompletion=*/true)) {
+  if (SkipUntil(tok::r_brace, StopAtCodeCompletion)) {
     PA.Commit();
     return true;
   }
diff --git a/lib/Parse/ParseTemplate.cpp b/lib/Parse/ParseTemplate.cpp
index b050a06..076edb9 100644
--- a/lib/Parse/ParseTemplate.cpp
+++ b/lib/Parse/ParseTemplate.cpp
@@ -120,7 +120,7 @@
     if (ParseTemplateParameters(CurTemplateDepthTracker.getDepth(),
                                 TemplateParams, LAngleLoc, RAngleLoc)) {
       // Skip until the semi-colon or a }.
-      SkipUntil(tok::r_brace, true, true);
+      SkipUntil(tok::r_brace, StopAtSemi | StopBeforeMatch);
       if (Tok.is(tok::semi))
         ConsumeToken();
       return 0;
@@ -216,7 +216,7 @@
   // Error parsing the declarator?
   if (!DeclaratorInfo.hasName()) {
     // If so, skip until the semi-colon or a }.
-    SkipUntil(tok::r_brace, true, true);
+    SkipUntil(tok::r_brace, StopAtSemi | StopBeforeMatch);
     if (Tok.is(tok::semi))
       ConsumeToken();
     return 0;
@@ -276,7 +276,7 @@
   if (Tok.is(tok::comma)) {
     Diag(Tok, diag::err_multiple_template_declarators)
       << (int)TemplateInfo.Kind;
-    SkipUntil(tok::semi, true, false);
+    SkipUntil(tok::semi);
     return ThisDecl;
   }
 
@@ -349,7 +349,8 @@
     } else {
       // If we failed to parse a template parameter, skip until we find
       // a comma or closing brace.
-      SkipUntil(tok::comma, tok::greater, tok::greatergreater, true, true);
+      SkipUntil(tok::comma, tok::greater, tok::greatergreater,
+                StopAtSemi | StopBeforeMatch);
     }
 
     // Did we find a comma or the end of the template parameter list?
@@ -363,7 +364,8 @@
       // try to get out of the expression. This error is currently
       // subsumed by whatever goes on in ParseTemplateParameter.
       Diag(Tok.getLocation(), diag::err_expected_comma_greater);
-      SkipUntil(tok::comma, tok::greater, tok::greatergreater, true, true);
+      SkipUntil(tok::comma, tok::greater, tok::greatergreater,
+                StopAtSemi | StopBeforeMatch);
       return false;
     }
   }
@@ -611,7 +613,8 @@
     if (DefaultArg.isInvalid()) {
       Diag(Tok.getLocation(), 
            diag::err_default_template_template_parameter_not_template);
-      SkipUntil(tok::comma, tok::greater, tok::greatergreater, true, true);
+      SkipUntil(tok::comma, tok::greater, tok::greatergreater,
+                StopAtSemi | StopBeforeMatch);
     }
   }
   
@@ -661,7 +664,7 @@
 
     DefaultArg = ParseAssignmentExpression();
     if (DefaultArg.isInvalid())
-      SkipUntil(tok::comma, tok::greater, true, true);
+      SkipUntil(tok::comma, tok::greater, StopAtSemi | StopBeforeMatch);
   }
 
   // Create the parameter.
@@ -825,8 +828,10 @@
 
     if (Invalid) {
       // Try to find the closing '>'.
-      SkipUntil(tok::greater, true, !ConsumeLastToken);
-
+      if (ConsumeLastToken)
+        SkipUntil(tok::greater, StopAtSemi);
+      else
+        SkipUntil(tok::greater, StopAtSemi | StopBeforeMatch);
       return true;
     }
   }
@@ -1191,7 +1196,7 @@
     }
 
     if (Arg.isInvalid()) {
-      SkipUntil(tok::comma, tok::greater, true, true);
+      SkipUntil(tok::comma, tok::greater, StopAtSemi | StopBeforeMatch);
       return true;
     }
 
diff --git a/lib/Parse/ParseTentative.cpp b/lib/Parse/ParseTentative.cpp
index b35d632..a1d6b13 100644
--- a/lib/Parse/ParseTentative.cpp
+++ b/lib/Parse/ParseTentative.cpp
@@ -159,7 +159,7 @@
     if (Tok.isNot(tok::l_paren))
       return TPResult::Error();
     ConsumeParen();
-    if (!SkipUntil(tok::r_paren, false))
+    if (!SkipUntil(tok::r_paren))
       return TPResult::Error();
     break;
   }
@@ -183,14 +183,14 @@
            Tok.is(tok::kw___declspec) || Tok.is(tok::kw_alignas)) {
       if (Tok.is(tok::l_square)) {
         ConsumeBracket();
-        if (!SkipUntil(tok::r_square, false))
+        if (!SkipUntil(tok::r_square))
           return TPResult::Error();
       } else {
         ConsumeToken();
         if (Tok.isNot(tok::l_paren))
           return TPResult::Error();
         ConsumeParen();
-        if (!SkipUntil(tok::r_paren, false))
+        if (!SkipUntil(tok::r_paren))
           return TPResult::Error();
       }
     }
@@ -294,7 +294,7 @@
     if (Tok.is(tok::l_paren)) {
       // Parse through the parens.
       ConsumeParen();
-      if (!SkipUntil(tok::r_paren))
+      if (!SkipUntil(tok::r_paren, StopAtSemi))
         return TPResult::Error();
     } else if (Tok.is(tok::l_brace)) {
       // A left-brace here is sufficient to disambiguate the parse; an
@@ -517,7 +517,7 @@
   if (!getLangOpts().ObjC1) {
     ConsumeBracket();
 
-    bool IsAttribute = SkipUntil(tok::r_square, false);
+    bool IsAttribute = SkipUntil(tok::r_square);
     IsAttribute &= Tok.is(tok::r_square);
 
     PA.Revert();
@@ -589,7 +589,7 @@
     // Parse the attribute-argument-clause, if present.
     if (Tok.is(tok::l_paren)) {
       ConsumeParen();
-      if (!SkipUntil(tok::r_paren, false)) {
+      if (!SkipUntil(tok::r_paren)) {
         IsAttribute = false;
         break;
       }
@@ -1550,7 +1550,7 @@
   assert(Tok.is(tok::l_paren) && "Expected '('");
   // Parse through the parens after 'typeof'.
   ConsumeParen();
-  if (!SkipUntil(tok::r_paren))
+  if (!SkipUntil(tok::r_paren, StopAtSemi))
     return TPResult::Error();
 
   return TPResult::Ambiguous();
@@ -1744,8 +1744,7 @@
       // '=' assignment-expression
       // Parse through assignment-expression.
       // FIXME: assignment-expression may contain an unparenthesized comma.
-      if (!SkipUntil(tok::comma, tok::r_paren, true/*StopAtSemi*/,
-                     true/*DontConsume*/))
+      if (!SkipUntil(tok::comma, tok::r_paren, StopAtSemi | StopBeforeMatch))
         return TPResult::Error();
     }
 
@@ -1789,7 +1788,7 @@
     return TPR;
 
   // Parse through the parens.
-  if (!SkipUntil(tok::r_paren))
+  if (!SkipUntil(tok::r_paren, StopAtSemi))
     return TPResult::Error();
 
   // cv-qualifier-seq
@@ -1810,7 +1809,7 @@
 
     // Parse through the parens after 'throw'.
     ConsumeParen();
-    if (!SkipUntil(tok::r_paren))
+    if (!SkipUntil(tok::r_paren, StopAtSemi))
       return TPResult::Error();
   }
   if (Tok.is(tok::kw_noexcept)) {
@@ -1819,7 +1818,7 @@
     if (Tok.is(tok::l_paren)) {
       // Find the matching rparen.
       ConsumeParen();
-      if (!SkipUntil(tok::r_paren))
+      if (!SkipUntil(tok::r_paren, StopAtSemi))
         return TPResult::Error();
     }
   }
@@ -1831,7 +1830,7 @@
 ///
 Parser::TPResult Parser::TryParseBracketDeclarator() {
   ConsumeBracket();
-  if (!SkipUntil(tok::r_square))
+  if (!SkipUntil(tok::r_square, StopAtSemi))
     return TPResult::Error();
 
   return TPResult::Ambiguous();
diff --git a/lib/Parse/Parser.cpp b/lib/Parse/Parser.cpp
index c6eac18..60e83ac 100644
--- a/lib/Parse/Parser.cpp
+++ b/lib/Parse/Parser.cpp
@@ -190,7 +190,7 @@
     Diag(Tok, DiagID) << Msg;
 
   if (SkipToTok != tok::unknown)
-    SkipUntil(SkipToTok);
+    SkipUntil(SkipToTok, StopAtSemi);
   return true;
 }
 
@@ -253,16 +253,19 @@
 // Error recovery.
 //===----------------------------------------------------------------------===//
 
+bool HasFlagsSet(Parser::SkipUntilFlags L, Parser::SkipUntilFlags R) {
+  return (static_cast<unsigned>(L) & static_cast<unsigned>(R)) != 0;
+}
+
 /// SkipUntil - Read tokens until we get to the specified token, then consume
-/// it (unless DontConsume is true).  Because we cannot guarantee that the
+/// it (unless no flag StopBeforeMatch).  Because we cannot guarantee that the
 /// token will ever occur, this skips to the next token, or to some likely
 /// good stopping point.  If StopAtSemi is true, skipping will stop at a ';'
 /// character.
 ///
 /// If SkipUntil finds the specified token, it returns true, otherwise it
 /// returns false.
-bool Parser::SkipUntil(ArrayRef<tok::TokenKind> Toks, bool StopAtSemi,
-                       bool DontConsume, bool StopAtCodeCompletion) {
+bool Parser::SkipUntil(ArrayRef<tok::TokenKind> Toks, SkipUntilFlags Flags) {
   // We always want this function to skip at least one token if the first token
   // isn't T and if not at EOF.
   bool isFirstTokenSkipped = true;
@@ -270,7 +273,7 @@
     // If we found one of the tokens, stop and return true.
     for (unsigned i = 0, NumToks = Toks.size(); i != NumToks; ++i) {
       if (Tok.is(Toks[i])) {
-        if (DontConsume) {
+        if (HasFlagsSet(Flags, StopBeforeMatch)) {
           // Noop, don't consume the token.
         } else {
           ConsumeAnyToken();
@@ -282,8 +285,9 @@
     // Important special case: The caller has given up and just wants us to
     // skip the rest of the file. Do this without recursing, since we can
     // get here precisely because the caller detected too much recursion.
-    if (Toks.size() == 1 && Toks[0] == tok::eof && !StopAtSemi &&
-        !StopAtCodeCompletion) {
+    if (Toks.size() == 1 && Toks[0] == tok::eof &&
+        !HasFlagsSet(Flags, StopAtSemi) &&
+        !HasFlagsSet(Flags, StopAtCodeCompletion)) {
       while (Tok.getKind() != tok::eof)
         ConsumeAnyToken();
       return true;
@@ -295,24 +299,33 @@
       return false;
         
     case tok::code_completion:
-      if (!StopAtCodeCompletion)
+      if (!HasFlagsSet(Flags, StopAtCodeCompletion))
         ConsumeToken();
       return false;
         
     case tok::l_paren:
       // Recursively skip properly-nested parens.
       ConsumeParen();
-      SkipUntil(tok::r_paren, false, false, StopAtCodeCompletion);
+      if (HasFlagsSet(Flags, StopAtCodeCompletion))
+        SkipUntil(tok::r_paren, StopAtCodeCompletion);
+      else
+        SkipUntil(tok::r_paren);
       break;
     case tok::l_square:
       // Recursively skip properly-nested square brackets.
       ConsumeBracket();
-      SkipUntil(tok::r_square, false, false, StopAtCodeCompletion);
+      if (HasFlagsSet(Flags, StopAtCodeCompletion))
+        SkipUntil(tok::r_square, StopAtCodeCompletion);
+      else
+        SkipUntil(tok::r_square);
       break;
     case tok::l_brace:
       // Recursively skip properly-nested braces.
       ConsumeBrace();
-      SkipUntil(tok::r_brace, false, false, StopAtCodeCompletion);
+      if (HasFlagsSet(Flags, StopAtCodeCompletion))
+        SkipUntil(tok::r_brace, StopAtCodeCompletion);
+      else
+        SkipUntil(tok::r_brace);
       break;
 
     // Okay, we found a ']' or '}' or ')', which we think should be balanced.
@@ -345,7 +358,7 @@
       break;
         
     case tok::semi:
-      if (StopAtSemi)
+      if (HasFlagsSet(Flags, StopAtSemi))
         return false;
       // FALL THROUGH.
     default:
@@ -998,7 +1011,7 @@
     Diag(Tok, diag::err_expected_fn_body);
 
     // Skip over garbage, until we get to '{'.  Don't eat the '{'.
-    SkipUntil(tok::l_brace, true, true);
+    SkipUntil(tok::l_brace, StopAtSemi | StopBeforeMatch);
 
     // If we didn't find the '{', bail out.
     if (Tok.isNot(tok::l_brace))
@@ -1254,7 +1267,7 @@
 
     if (ExpectAndConsumeSemi(diag::err_expected_semi_declaration)) {
       // Skip to end of block or statement
-      SkipUntil(tok::semi, true);
+      SkipUntil(tok::semi);
       if (Tok.is(tok::semi))
         ConsumeToken();
     }
@@ -1322,7 +1335,7 @@
   ExprResult Result(ParseAsmStringLiteral());
 
   if (Result.isInvalid()) {
-    SkipUntil(tok::r_paren, true, true);
+    SkipUntil(tok::r_paren, StopAtSemi | StopBeforeMatch);
     if (EndLoc)
       *EndLoc = Tok.getLocation();
     ConsumeAnyToken();
@@ -1961,7 +1974,7 @@
   P.Diag(P.Tok, diag::err_bracket_depth_exceeded)
     << P.getLangOpts().BracketDepth;
   P.Diag(P.Tok, diag::note_bracket_depth);
-  P.SkipUntil(tok::eof, false);
+  P.SkipUntil(tok::eof);
   return true;  
 }
 
@@ -1996,13 +2009,14 @@
   // token.
   if (P.Tok.isNot(tok::r_paren) && P.Tok.isNot(tok::r_brace) &&
       P.Tok.isNot(tok::r_square) &&
-      P.SkipUntil(Close, FinalToken, /*StopAtSemi*/true, /*DontConsume*/true) &&
+      P.SkipUntil(Close, FinalToken,
+                  Parser::StopAtSemi | Parser::StopBeforeMatch) &&
       P.Tok.is(Close))
     LClose = P.ConsumeAnyToken();
   return true;
 }
 
 void BalancedDelimiterTracker::skipToEnd() {
-  P.SkipUntil(Close, false, true);
+  P.SkipUntil(Close, Parser::StopBeforeMatch);
   consumeClose();
 }