[AST] Implemented missing VisitAccessSpecDecl function in ASTImporter class.

[esakella]

Summary

+ test.

[karies]

Because of previous review subscriptions...

[akyrtzi]

LGTM, committed in r261274.

lib/AST/ASTImporter.cpp

     bool IsStructuralMatch(ClassTemplateDecl *From, ClassTemplateDecl *To);
     bool IsStructuralMatch(VarTemplateDecl *From, VarTemplateDecl *To);
     Decl *VisitDecl(Decl *D);
+    Decl *VisitAccessSpecDecl(AccessSpecDecl *D);
     Decl *VisitTranslationUnitDecl(TranslationUnitDecl *D);
     Decl *VisitNamespaceDecl(NamespaceDecl *D);
     Decl *VisitTypedefNameDecl(TypedefNameDecl *D, bool IsAlias);

   return ToD;
 }
 
+Decl *ASTNodeImporter::VisitAccessSpecDecl(AccessSpecDecl *D) {
+
+  SourceLocation Loc = Importer.Import(D->getLocation());
+  SourceLocation ColonLoc = Importer.Import(D->getColonLoc());
+
+  // Import the context of this declaration.
+  DeclContext *DC = Importer.ImportContext(D->getDeclContext());
+  if (!DC)
+    return nullptr;
+
+  AccessSpecDecl *accessSpecDecl
+    = AccessSpecDecl::Create(Importer.getToContext(), D->getAccess(),
+                             DC, Loc, ColonLoc);
+
+  if (!accessSpecDecl)
+    return nullptr;
+
+  // Lexical DeclContext and Semantic DeclContext
+  // is always the same for the accessSpec.
+  accessSpecDecl->setLexicalDeclContext(DC);
+  DC->addDeclInternal(accessSpecDecl);
+
+  return accessSpecDecl;
+}
+
 Decl *ASTNodeImporter::VisitNamespaceDecl(NamespaceDecl *D) {
   // Import the major distinguishing characteristics of this namespace.
   DeclContext *DC, *LexicalDC;

test/ASTMerge/Inputs/class1.cpp

 struct A {
+  public:
     int x;
 };
 
 struct B : A {

test/ASTMerge/Inputs/class2.cpp

 struct A {
+  public:
     int x;
 };
 
 struct B : A {

test/ASTMerge/class.cpp

 // RUN: %clang_cc1 -ast-merge %t.1.ast -ast-merge %t.2.ast -fsyntax-only %s 2>&1 | FileCheck %s
 // RUN: %clang_cc1 -ast-merge %t.1.ast -ast-merge %t.2.ast -fsyntax-only %s 2>&1 -Wno-odr -Werror
 
-// CHECK: class1.cpp:5:8: warning: type 'B' has incompatible definitions in different translation units
-// CHECK: class1.cpp:6:9: note: field 'y' has type 'float' here
-// CHECK: class2.cpp:6:7: note: field 'y' has type 'int' here
+// CHECK: class1.cpp:6:8: warning: type 'B' has incompatible definitions in different translation units
+// CHECK: class1.cpp:7:9: note: field 'y' has type 'float' here
+// CHECK: class2.cpp:7:7: note: field 'y' has type 'int' here
 
 // FIXME: we should also complain about mismatched types on the method
 
-// CHECK: class1.cpp:17:6: warning: type 'E' has incompatible definitions in different translation units
-// CHECK: class1.cpp:18:3: note: enumerator 'b' with value 1 here
-// CHECK: class2.cpp:11:3: note: enumerator 'a' with value 0 here
+// CHECK: class1.cpp:18:6: warning: type 'E' has incompatible definitions in different translation units
+// CHECK: class1.cpp:19:3: note: enumerator 'b' with value 1 here
+// CHECK: class2.cpp:12:3: note: enumerator 'a' with value 0 here