Add semantic model test.

src/Compilers/CSharp/Test/Symbol/Compilation/SemanticModelGetSemanticInfoTests.cs

@@ -15178,5 +15178,39 @@ where true
             var infoSymbol2 = semanticModel.GetSymbolInfo(qe.Body.SelectOrGroup).Symbol;
             Assert.Equal(expectedNames[i++], infoSymbol2.Name);
         }
+
+        [Fact]
+        public void TestIncompleteMember()
+        {
+            // Note: binding information in an incomplete member is not available.
+            // When https://github.com/dotnet/roslyn/issues/7536 is fixed this test
+            // will have to be updated.
+            string sourceCode = @"
+using System;
+
+class Program
+{
+    public /*<bind>*/K/*</bind>*/
+}
+
+class K
+{ }
+";
+            var semanticInfo = GetSemanticInfoForTest(sourceCode);
+
+            Assert.Equal("K", semanticInfo.Type.ToTestDisplayString());
+            Assert.Equal(TypeKind.Class, semanticInfo.Type.TypeKind);
+            Assert.Equal("K", semanticInfo.ConvertedType.ToTestDisplayString());
+            Assert.Equal(TypeKind.Class, semanticInfo.ConvertedType.TypeKind);
+            Assert.Equal(ConversionKind.Identity, semanticInfo.ImplicitConversion.Kind);
+
+            Assert.Equal("K", semanticInfo.Symbol.ToTestDisplayString());
+            Assert.Equal(SymbolKind.NamedType, semanticInfo.Symbol.Kind);
+            Assert.Equal(0, semanticInfo.CandidateSymbols.Length);
+
+            Assert.Equal(0, semanticInfo.MethodGroup.Length);
+
+            Assert.False(semanticInfo.IsCompileTimeConstant);
+        }
     }
 }