CPlusPlus: Add missing type information for enum variables

Consider these two variable declarations:
  enum EX { EX1, EX2};
  EX ex;
  emum EY { EY1, EY2} ey;
The ex variable would correctly get assigned type EX, but the ey
variable would not have any type.
This is now fixed.

Task-number: QTCREATORBUG-7487
Change-Id: I3e09c5766fdb9e6baf3a8d7bc6f2fc581f2d824b
Reviewed-by: Cristian Adam <cristian.adam@qt.io>

src/libs/3rdparty/cplusplus/Bind.cpp

@@ -3176,6 +3176,7 @@ bool Bind::visit(EnumSpecifierAST *ast)
     }
 
     (void) switchScope(previousScope);
+    _type.setType(control()->namedType(this->name(ast->name)));
     return false;
 }
 

src/plugins/cppeditor/cppquickfix_test.cpp

@@ -369,6 +369,31 @@ void CppEditorPlugin::test_quickfix_data()
         "}\n"
     );
 
+    // Checks: All enum values are added as case statements for a blank switch when
+    //         the variable is declared alongside the enum definition.
+    QTest::newRow("CompleteSwitchCaseStatement_basic1_enum_with_declaration")
+        << CppQuickFixFactoryPtr(new CompleteSwitchCaseStatement) << _(
+        "enum EnumType { V1, V2 } t;\n"
+        "\n"
+        "void f()\n"
+        "{\n"
+        "    @switch (t) {\n"
+        "    }\n"
+        "}\n"
+        ) << _(
+        "enum EnumType { V1, V2 } t;\n"
+        "\n"
+        "void f()\n"
+        "{\n"
+        "    switch (t) {\n"
+        "    case V1:\n"
+        "        break;\n"
+        "    case V2:\n"
+        "        break;\n"
+        "    }\n"
+        "}\n"
+    );
+
     // Checks: All enum values are added as case statements for a blank switch with a default case.
     QTest::newRow("CompleteSwitchCaseStatement_basic2")
         << CppQuickFixFactoryPtr(new CompleteSwitchCaseStatement) << _(