AST: Remove AvailabilitySpec.h include from Stmt.h.

Include it where it's actually used instead to improve compile times.

Author: tshortli

include/swift/AST/ConstTypeInfo.h

@@ -14,6 +14,7 @@
 #define SWIFT_AST_CONST_TYPE_INFO_H
 
 #include "swift/AST/Attr.h"
+#include "swift/AST/AvailabilitySpec.h"
 #include "swift/AST/Type.h"
 #include "swift/AST/TypeCheckRequests.h"
 #include <memory>

include/swift/AST/Stmt.h

@@ -20,7 +20,6 @@
 #include "swift/AST/ASTAllocated.h"
 #include "swift/AST/ASTNode.h"
 #include "swift/AST/AvailabilityRange.h"
-#include "swift/AST/AvailabilitySpec.h"
 #include "swift/AST/ConcreteDeclRef.h"
 #include "swift/AST/IfConfigClause.h"
 #include "swift/AST/ThrownErrorDestination.h"
@@ -36,6 +35,7 @@ namespace swift {
 class AnyPattern;
 class ASTContext;
 class ASTWalker;
+class AvailabilitySpec;
 class Decl;
 class DeclContext;
 class Evaluator;

include/swift/Parse/Parser.h

@@ -53,7 +53,9 @@ namespace swift {
   class SILParserStateBase;
   class SourceManager;
   class UUID;
-  
+  class PlatformVersionConstraintAvailabilitySpec;
+  class PlatformAgnosticVersionConstraintAvailabilitySpec;
+
   struct EnumElementInfo;
 
   /// Different contexts in which BraceItemList are parsed.

lib/AST/ASTDumper.cpp

@@ -20,6 +20,7 @@
 #include "swift/AST/ASTVisitor.h"
 #include "swift/AST/Attr.h"
 #include "swift/AST/AutoDiff.h"
+#include "swift/AST/AvailabilitySpec.h"
 #include "swift/AST/ClangModuleLoader.h"
 #include "swift/AST/ForeignAsyncConvention.h"
 #include "swift/AST/ForeignErrorConvention.h"

lib/AST/AvailabilityScope.cpp

@@ -18,6 +18,7 @@
 
 #include "swift/AST/ASTContext.h"
 #include "swift/AST/AvailabilityInference.h"
+#include "swift/AST/AvailabilitySpec.h"
 #include "swift/AST/Decl.h"
 #include "swift/AST/Expr.h"
 #include "swift/AST/Module.h"

lib/AST/Stmt.cpp

@@ -17,6 +17,7 @@
 #include "swift/AST/Stmt.h"
 #include "swift/AST/ASTContext.h"
 #include "swift/AST/ASTWalker.h"
+#include "swift/AST/AvailabilitySpec.h"
 #include "swift/AST/Decl.h"
 #include "swift/AST/Expr.h"
 #include "swift/AST/Pattern.h"

lib/ConstExtract/ConstExtract.cpp

@@ -14,6 +14,7 @@
 #include "swift/AST/ASTContext.h"
 #include "swift/AST/ASTMangler.h"
 #include "swift/AST/ASTWalker.h"
+#include "swift/AST/AvailabilitySpec.h"
 #include "swift/AST/Decl.h"
 #include "swift/AST/DiagnosticEngine.h"
 #include "swift/AST/DiagnosticsFrontend.h"

lib/IDE/Formatting.cpp

@@ -11,6 +11,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "swift/AST/ASTWalker.h"
+#include "swift/AST/AvailabilitySpec.h"
 #include "swift/AST/GenericParamList.h"
 #include "swift/AST/TypeRepr.h"
 #include "swift/Basic/Assertions.h"

lib/Parse/ParseDecl.cpp

@@ -16,6 +16,7 @@
 
 #include "swift/AST/ASTWalker.h"
 #include "swift/AST/Attr.h"
+#include "swift/AST/AvailabilitySpec.h"
 #include "swift/AST/DebuggerClient.h"
 #include "swift/AST/Decl.h"
 #include "swift/AST/DiagnosticsParse.h"

lib/Parse/ParseExpr.cpp

@@ -16,6 +16,7 @@
 
 #include "swift/AST/ASTWalker.h"
 #include "swift/AST/Attr.h"
+#include "swift/AST/AvailabilitySpec.h"
 #include "swift/AST/DiagnosticsParse.h"
 #include "swift/AST/TypeRepr.h"
 #include "swift/Basic/Assertions.h"