Consistent use of header comment format.

Correct format:
//===--- Name of file - Description ----------------------------*- Lang -*-===//

include/swift/AST/ASTVisitor.h

@@ -1,4 +1,4 @@
-//===-- ASTVisitor.h - Decl, Expr and Stmt Visitor --------------*- C++ -*-===//
+//===--- ASTVisitor.h - Decl, Expr and Stmt Visitor -------------*- C++ -*-===//
 //
 // This source file is part of the Swift.org open source project
 //

include/swift/AST/CanTypeVisitor.h

@@ -1,4 +1,4 @@
-//===-- CanTypeVisitor.h - TypeVisitor specialization -----------*- C++ -*-===//
+//===--- CanTypeVisitor.h - TypeVisitor specialization ----------*- C++ -*-===//
 //
 // This source file is part of the Swift.org open source project
 //

include/swift/AST/DeclNodes.def

@@ -1,4 +1,4 @@
-//===-- DeclNodes.def - Swift Declaration AST Metaprogramming ---*- C++ -*-===//
+//===--- DeclNodes.def - Swift Declaration AST Metaprogramming --*- C++ -*-===//
 //
 // This source file is part of the Swift.org open source project
 //

include/swift/AST/DiagnosticEngine.h

@@ -1,4 +1,4 @@
-//===- DiagnosticEngine.h - Diagnostic Display Engine -----------*- C++ -*-===//
+//===--- DiagnosticEngine.h - Diagnostic Display Engine ---------*- C++ -*-===//
 //
 // This source file is part of the Swift.org open source project
 //

include/swift/AST/DiagnosticsAll.def

@@ -1,4 +1,4 @@
-//===- DiagnosticsAll.def - Diagnostics Text Index --------------*- C++ -*-===//
+//===--- DiagnosticsAll.def - Diagnostics Text Index ------------*- C++ -*-===//
 //
 // This source file is part of the Swift.org open source project
 //

include/swift/AST/DiagnosticsClangImporter.def

@@ -1,4 +1,4 @@
-//===- DiagnosticsClangImporter.def - Diagnostics Text ----------*- C++ -*-===//
+//===--- DiagnosticsClangImporter.def - Diagnostics Text --------*- C++ -*-===//
 //
 // This source file is part of the Swift.org open source project
 //

include/swift/AST/DiagnosticsClangImporter.h

@@ -1,4 +1,4 @@
-//===- DiagnosticsClangImporter.h - Diagnostic Definitions ------*- C++ -*-===//
+//===--- DiagnosticsClangImporter.h - Diagnostic Definitions ----*- C++ -*-===//
 //
 // This source file is part of the Swift.org open source project
 //

include/swift/AST/DiagnosticsCommon.def

@@ -1,4 +1,4 @@
-//===- DiagnosticsCommon.def - Diagnostics Text -----------------*- C++ -*-===//
+//===--- DiagnosticsCommon.def - Diagnostics Text ---------------*- C++ -*-===//
 //
 // This source file is part of the Swift.org open source project
 //

include/swift/AST/DiagnosticsCommon.h

@@ -1,4 +1,4 @@
-//===- DiagnosticsCommon.h - Shared Diagnostic Definitions ------*- C++ -*-===//
+//===--- DiagnosticsCommon.h - Shared Diagnostic Definitions ----*- C++ -*-===//
 //
 // This source file is part of the Swift.org open source project
 //

include/swift/AST/DiagnosticsDriver.def

@@ -1,4 +1,4 @@
-//===- DiagnosticsDriver.def - Diagnostics Text -----------------*- C++ -*-===//
+//===--- DiagnosticsDriver.def - Diagnostics Text ---------------*- C++ -*-===//
 //
 // This source file is part of the Swift.org open source project
 //

include/swift/AST/DiagnosticsDriver.h

@@ -1,4 +1,4 @@
-//===- DiagnosticsDriver.h - Diagnostic Definitions -------------*- C++ -*-===//
+//===--- DiagnosticsDriver.h - Diagnostic Definitions -----------*- C++ -*-===//
 //
 // This source file is part of the Swift.org open source project
 //

include/swift/AST/DiagnosticsFrontend.def

@@ -1,4 +1,4 @@
-//===- DiagnosticsFrontend.def - Diagnostics Text ---------------*- C++ -*-===//
+//===--- DiagnosticsFrontend.def - Diagnostics Text -------------*- C++ -*-===//
 //
 // This source file is part of the Swift.org open source project
 //

include/swift/AST/DiagnosticsFrontend.h

@@ -1,4 +1,4 @@
-//===- DiagnosticsFrontend.h - Diagnostic Definitions -----------*- C++ -*-===//
+//===--- DiagnosticsFrontend.h - Diagnostic Definitions ---------*- C++ -*-===//
 //
 // This source file is part of the Swift.org open source project
 //

include/swift/AST/DiagnosticsIRGen.def

@@ -1,4 +1,4 @@
-//===- DiagnosticsIRGen.def - Diagnostics Text ------------------*- C++ -*-===//
+//===--- DiagnosticsIRGen.def - Diagnostics Text ----------------*- C++ -*-===//
 //
 // This source file is part of the Swift.org open source project
 //

include/swift/AST/DiagnosticsIRGen.h

@@ -1,4 +1,4 @@
-//===- DiagnosticsIRGen.h - Diagnostic Definitions --------------*- C++ -*-===//
+//===--- DiagnosticsIRGen.h - Diagnostic Definitions ------------*- C++ -*-===//
 //
 // This source file is part of the Swift.org open source project
 //

include/swift/AST/DiagnosticsParse.def

@@ -1,4 +1,4 @@
-//===- DiagnosticsParse.def - Diagnostics Text ------------------*- C++ -*-===//
+//===--- DiagnosticsParse.def - Diagnostics Text ----------------*- C++ -*-===//
 //
 // This source file is part of the Swift.org open source project
 //

include/swift/AST/DiagnosticsParse.h

@@ -1,4 +1,4 @@
-//===- DiagnosticsParse.h - Diagnostic Definitions --------------*- C++ -*-===//
+//===--- DiagnosticsParse.h - Diagnostic Definitions ------------*- C++ -*-===//
 //
 // This source file is part of the Swift.org open source project
 //

include/swift/AST/DiagnosticsSIL.def

@@ -1,4 +1,4 @@
-//===- DiagnosticsSIL.def - Diagnostics Text --------------------*- C++ -*-===//
+//===--- DiagnosticsSIL.def - Diagnostics Text ------------------*- C++ -*-===//
 //
 // This source file is part of the Swift.org open source project
 //

include/swift/AST/DiagnosticsSIL.h

@@ -1,4 +1,4 @@
-//===- DiagnosticsSIL.h - Diagnostic Definitions ----------------*- C++ -*-===//
+//===--- DiagnosticsSIL.h - Diagnostic Definitions --------------*- C++ -*-===//
 //
 // This source file is part of the Swift.org open source project
 //

include/swift/AST/DiagnosticsSema.def

@@ -1,4 +1,4 @@
-//===- DiagnosticsSema.def - Diagnostics Text -------------------*- C++ -*-===//
+//===--- DiagnosticsSema.def - Diagnostics Text -----------------*- C++ -*-===//
 //
 // This source file is part of the Swift.org open source project
 //

include/swift/AST/DiagnosticsSema.h

@@ -1,4 +1,4 @@
-//===- DiagnosticsSema.h - Diagnostic Definitions ---------------*- C++ -*-===//
+//===--- DiagnosticsSema.h - Diagnostic Definitions -------------*- C++ -*-===//
 //
 // This source file is part of the Swift.org open source project
 //

include/swift/AST/KnownDecls.def

@@ -1,4 +1,4 @@
-//===-- KnownDecls.def - Compiler declaration metaprogramming ---*- C++ -*-===//
+//===--- KnownDecls.def - Compiler declaration metaprogramming --*- C++ -*-===//
 //
 // This source file is part of the Swift.org open source project
 //

include/swift/AST/PrettyStackTrace.h

@@ -1,4 +1,4 @@
-//===- PrettyStackTrace.h - Crash trace information -------------*- C++ -*-===//
+//===--- PrettyStackTrace.h - Crash trace information -----------*- C++ -*-===//
 //
 // This source file is part of the Swift.org open source project
 //

include/swift/AST/SubstTypeVisitor.h

@@ -1,4 +1,4 @@
-//===-- SubstTypeVisitor.h - Visitor for substituted types ------*- C++ -*-===//
+//===--- SubstTypeVisitor.h - Visitor for substituted types -----*- C++ -*-===//
 //
 // This source file is part of the Swift.org open source project
 //

include/swift/AST/TypeMatcher.h

@@ -1,4 +1,4 @@
-//===-- TypeMatcher.h - Recursive Type Matcher------- -----------*- C++ -*-===//
+//===--- TypeMatcher.h - Recursive Type Matcher -----------------*- C++ -*-===//
 //
 // This source file is part of the Swift.org open source project
 //

include/swift/AST/TypeMemberVisitor.h

@@ -1,4 +1,4 @@
-//===-- TypeMemberVisitor.h - ASTVisitor specialization ---------*- C++ -*-===//
+//===--- TypeMemberVisitor.h - ASTVisitor specialization --------*- C++ -*-===//
 //
 // This source file is part of the Swift.org open source project
 //

include/swift/AST/TypeVisitor.h

@@ -1,4 +1,4 @@
-//===-- TypeVisitor.h - Type Visitor ----------------------------*- C++ -*-===//
+//===--- TypeVisitor.h - Type Visitor ---------------------------*- C++ -*-===//
 //
 // This source file is part of the Swift.org open source project
 //

include/swift/Basic/AssertImplements.h

@@ -1,4 +1,4 @@
-//===- AssertImplements.h - Assert that a class overrides a function ------===//
+//===--- AssertImplements.h - Assert that a class overrides a function ----===//
 //
 // This source file is part of the Swift.org open source project
 //

include/swift/Basic/BlotMapVector.h

@@ -1,4 +1,4 @@
-//===- BlotMapVector.h - Map vector with "blot" operation  ------*- C++ -*-===//
+//===--- BlotMapVector.h - Map vector with "blot" operation  ----*- C++ -*-===//
 //
 // This source file is part of the Swift.org open source project
 //

include/swift/Basic/Defer.h

@@ -1,4 +1,4 @@
-//===- Defer.h - 'defer' helper macro ---------------------------*- C++ -*-===//
+//===--- Defer.h - 'defer' helper macro -------------------------*- C++ -*-===//
 //
 // This source file is part of the Swift.org open source project
 //

include/swift/Basic/DemangleNodes.def

@@ -1,4 +1,4 @@
-//===-- DemangleNodes.def - Demangling Tree Metaprogramming -----*- C++ -*-===//
+//===--- DemangleNodes.def - Demangling Tree Metaprogramming ----*- C++ -*-===//
 //
 // This source file is part of the Swift.org open source project
 //

include/swift/Basic/DiagnosticConsumer.h

@@ -1,4 +1,4 @@
-//===- DiagnosticConsumer.h - Diagnostic Consumer Interface -----*- C++ -*-===//
+//===--- DiagnosticConsumer.h - Diagnostic Consumer Interface ---*- C++ -*-===//
 //
 // This source file is part of the Swift.org open source project
 //

include/swift/Basic/Fallthrough.h

@@ -1,4 +1,4 @@
-//===- Fallthrough.h - switch fallthrough annotation macro ------*- C++ -*-===//
+//===--- Fallthrough.h - switch fallthrough annotation macro ----*- C++ -*-===//
 //
 // This source file is part of the Swift.org open source project
 //

include/swift/Basic/FlaggedPointer.h

@@ -1,4 +1,4 @@
-//===- FlaggedPointer.h - Explicit pointer tagging container ----*- C++ -*-===//
+//===--- FlaggedPointer.h - Explicit pointer tagging container --*- C++ -*-===//
 //
 // This source file is part of the Swift.org open source project
 //

include/swift/Basic/Malloc.h

@@ -1,4 +1,4 @@
-//===- Malloc.h - Aligned malloc interface ----------------------*- C++ -*-===//
+//===--- Malloc.h - Aligned malloc interface --------------------*- C++ -*-===//
 //
 // This source file is part of the Swift.org open source project
 //

include/swift/Basic/NullablePtr.h

@@ -1,4 +1,4 @@
-//===- NullablePtr.h - A pointer that allows null ---------------*- C++ -*-===//
+//===--- NullablePtr.h - A pointer that allows null -------------*- C++ -*-===//
 //
 // This source file is part of the Swift.org open source project
 //

include/swift/Basic/OptionSet.h

@@ -1,4 +1,4 @@
-//===-- OptionSet.h - Sets of boolean options -------------------*- C++ -*-===//
+//===--- OptionSet.h - Sets of boolean options ------------------*- C++ -*-===//
 //
 // This source file is part of the Swift.org open source project
 //

include/swift/Basic/Program.h

@@ -1,4 +1,4 @@
-//===- Program.h ------------------------------------------------*- C++ -*-===//
+//===--- Program.h ----------------------------------------------*- C++ -*-===//
 //
 // This source file is part of the Swift.org open source project
 //

include/swift/Basic/QuotedString.h

@@ -1,4 +1,4 @@
-//===- QuotedString.h - Print a string in double-quotes ---------*- C++ -*-===//
+//===--- QuotedString.h - Print a string in double-quotes -------*- C++ -*-===//
 //
 // This source file is part of the Swift.org open source project
 //

include/swift/Basic/Range.h

@@ -1,4 +1,4 @@
-//===- Range.h - Classes for conveniently working with ranges ---*- C++ -*-===//
+//===--- Range.h - Classes for conveniently working with ranges -*- C++ -*-===//
 //
 // This source file is part of the Swift.org open source project
 //

include/swift/Basic/RelativePointer.h

@@ -1,4 +1,4 @@
-//===-- RelativePointer.h - Relative Pointer Support ------------*- C++ -*-===//
+//===--- RelativePointer.h - Relative Pointer Support -----------*- C++ -*-===//
 //
 // This source file is part of the Swift.org open source project
 //

include/swift/Basic/STLExtras.h

@@ -1,4 +1,4 @@
-//===- STLExtras.h - additions to the STL -----------------------*- C++ -*-===//
+//===--- STLExtras.h - additions to the STL ---------------------*- C++ -*-===//
 //
 // This source file is part of the Swift.org open source project
 //

include/swift/Basic/SourceLoc.h

@@ -1,4 +1,4 @@
-//===- SourceLoc.h - Source Locations and Ranges ----------------*- C++ -*-===//
+//===--- SourceLoc.h - Source Locations and Ranges --------------*- C++ -*-===//
 //
 // This source file is part of the Swift.org open source project
 //

include/swift/Basic/TreeScopedHashTable.h

@@ -1,4 +1,4 @@
-//===- TreeScopedHashTable.h - Hash table with multiple active scopes -----===//
+//===--- TreeScopedHashTable.h - Hash table with multiple active scopes ---===//
 //
 // This source file is part of the Swift.org open source project
 //

include/swift/Basic/Version.h

@@ -1,4 +1,4 @@
-//===- Version.h - Swift Version Number -------------------------*- C++ -*-===//
+//===--- Version.h - Swift Version Number -----------------------*- C++ -*-===//
 //
 // This source file is part of the Swift.org open source project
 //

include/swift/ClangImporter/ClangImporterOptions.h

@@ -1,4 +1,4 @@
-//===-- ClangImporterOptions.h ----------------------------------*- C++ -*-===//
+//===--- ClangImporterOptions.h ---------------------------------*- C++ -*-===//
 //
 // This source file is part of the Swift.org open source project
 //

include/swift/Driver/Driver.h

@@ -1,4 +1,4 @@
-//===-- Driver.h - Swift compiler driver ------------------------*- C++ -*-===//
+//===--- Driver.h - Swift compiler driver -----------------------*- C++ -*-===//
 //
 // This source file is part of the Swift.org open source project
 //

include/swift/Driver/OutputFileMap.h

@@ -1,4 +1,4 @@
-//===-- OutputFileMap.h - Driver output file map ----------------*- C++ -*-===//
+//===--- OutputFileMap.h - Driver output file map ---------------*- C++ -*-===//
 //
 // This source file is part of the Swift.org open source project
 //

include/swift/Frontend/DiagnosticVerifier.h

@@ -1,4 +1,4 @@
-//===- DiagnosticVerifier.h - Diagnostic Verifier (-verify) -----*- C++ -*-===//
+//===--- DiagnosticVerifier.h - Diagnostic Verifier (-verify) ---*- C++ -*-===//
 //
 // This source file is part of the Swift.org open source project
 //

include/swift/Frontend/Frontend.h

@@ -1,4 +1,4 @@
-//===-- Frontend.h - frontend utility methods -------------------*- C++ -*-===//
+//===--- Frontend.h - frontend utility methods ------------------*- C++ -*-===//
 //
 // This source file is part of the Swift.org open source project
 //

include/swift/Frontend/PrintingDiagnosticConsumer.h

@@ -1,4 +1,4 @@
-//===- PrintingDiagnosticConsumer.h - Print Text Diagnostics ----*- C++ -*-===//
+//===--- PrintingDiagnosticConsumer.h - Print Text Diagnostics --*- C++ -*-===//
 //
 // This source file is part of the Swift.org open source project
 //

include/swift/Frontend/SerializedDiagnosticConsumer.h

@@ -1,4 +1,4 @@
-//===- SerializedDiagnosticConsumer.h - Serialize Diagnostics ---*- C++ -*-===//
+//===--- SerializedDiagnosticConsumer.h - Serialize Diagnostics -*- C++ -*-===//
 //
 // This source file is part of the Swift.org open source project
 //

include/swift/IDE/CodeCompletion.h

@@ -1,4 +1,4 @@
-//===- CodeCompletion.h - Routines for code completion --------------------===//
+//===--- CodeCompletion.h - Routines for code completion ------------------===//
 //
 // This source file is part of the Swift.org open source project
 //

include/swift/IDE/CodeCompletionCache.h

@@ -1,4 +1,4 @@
-//===- CodeCompletionCache.h - Routines for code completion caching -------===//
+//===--- CodeCompletionCache.h - Routines for code completion caching -----===//
 //
 // This source file is part of the Swift.org open source project
 //

include/swift/IDE/SourceEntityWalker.h

@@ -1,4 +1,4 @@
-//===- SourceEntityWalker.h - Routines for semantic source info -----------===//
+//===--- SourceEntityWalker.h - Routines for semantic source info ---------===//
 //
 // This source file is part of the Swift.org open source project
 //

include/swift/IDE/SyntaxModel.h

@@ -1,4 +1,4 @@
-//===- SyntaxModel.h - Routines for IDE syntax model  ---------------------===//
+//===--- SyntaxModel.h - Routines for IDE syntax model  -------------------===//
 //
 // This source file is part of the Swift.org open source project
 //

include/swift/IDE/Utils.h

@@ -1,4 +1,4 @@
-//===- Utils.h - Misc utilities -------------------------------------------===//
+//===--- Utils.h - Misc utilities -----------------------------------------===//
 //
 // This source file is part of the Swift.org open source project
 //

include/swift/Immediate/Immediate.h

@@ -1,4 +1,4 @@
-//===-- Immediate.h - Entry point for swift immediate mode ------*- C++ -*-===//
+//===--- Immediate.h - Entry point for swift immediate mode -----*- C++ -*-===//
 //
 // This source file is part of the Swift.org open source project
 //

include/swift/PrintAsObjC/PrintAsObjC.h

@@ -1,4 +1,4 @@
-//===-- PrintAsObjC.h - Emit a header file for a Swift AST ----------------===//
+//===--- PrintAsObjC.h - Emit a header file for a Swift AST ---------------===//
 //
 // This source file is part of the Swift.org open source project
 //

include/swift/SIL/LoopInfo.h

@@ -1,4 +1,4 @@
-//===-------------- LoopInfo.h - SIL Loop Analysis --------------*- C++ -*-===//
+//===--- LoopInfo.h - SIL Loop Analysis -------------------------*- C++ -*-===//
 //
 // This source file is part of the Swift.org open source project
 //

include/swift/SIL/PrettyStackTrace.h

@@ -1,4 +1,4 @@
-//===- PrettyStackTrace.h - Crash trace information -------------*- C++ -*-===//
+//===--- PrettyStackTrace.h - Crash trace information -----------*- C++ -*-===//
 //
 // This source file is part of the Swift.org open source project
 //

include/swift/SIL/SILValueProjection.h

@@ -1,4 +1,4 @@
-//===------------------------ SILValueProjection.h ---------------------- -===//
+//===--- SILValueProjection.h ---------------------------------------------===//
 //
 // This source file is part of the Swift.org open source project
 //

include/swift/SILOptimizer/Analysis/ARCAnalysis.h

@@ -1,4 +1,4 @@
-//===--------------- ARCAnalysis.h - SIL ARC Analysis -----------*- C++ -*-===//
+//===--- ARCAnalysis.h - SIL ARC Analysis -----------------------*- C++ -*-===//
 //
 // This source file is part of the Swift.org open source project
 //

include/swift/SILOptimizer/Analysis/AliasAnalysis.h

@@ -1,4 +1,4 @@
-//===-------------- AliasAnalysis.h - SIL Alias Analysis --------*- C++ -*-===//
+//===--- AliasAnalysis.h - SIL Alias Analysis -------------------*- C++ -*-===//
 //
 // This source file is part of the Swift.org open source project
 //

include/swift/SILOptimizer/Analysis/Analysis.h

@@ -1,4 +1,4 @@
-//===-- Analysis.h  - Swift Analysis ----------------------------*- C++ -*-===//
+//===--- Analysis.h  - Swift Analysis ---------------------------*- C++ -*-===//
 //
 // This source file is part of the Swift.org open source project
 //

include/swift/SILOptimizer/Analysis/ColdBlockInfo.h

@@ -1,4 +1,4 @@
-//===-- ColdBlockInfo.h - Fast/slow path analysis for SIL CFG ---*- C++ -*-===//
+//===--- ColdBlockInfo.h - Fast/slow path analysis for SIL CFG --*- C++ -*-===//
 //
 // This source file is part of the Swift.org open source project
 //