Don't emit #line default and #line hidden between consecutive using directives

src/Compiler/Microsoft.AspNetCore.Mvc.Razor.Extensions.Version1_X/test/TestFiles/IntegrationTests/CodeGenerationIntegrationTest/Basic_DesignTime.codegen.cs

@@ -2,7 +2,7 @@
 #pragma warning disable 1591
 namespace AspNetCore
 {
-    #line hidden
+    #line default
     using TModel = global::System.Object;
     using System;
     using System.Collections.Generic;
@@ -11,6 +11,8 @@ namespace AspNetCore
     using Microsoft.AspNetCore.Mvc;
     using Microsoft.AspNetCore.Mvc.Rendering;
     using Microsoft.AspNetCore.Mvc.ViewFeatures;
+    #line default
+    #line hidden
     public class TestFiles_IntegrationTests_CodeGenerationIntegrationTest_Basic : global::Microsoft.AspNetCore.Mvc.Razor.RazorPage<dynamic>
     {
         #pragma warning disable 219

src/Compiler/Microsoft.AspNetCore.Mvc.Razor.Extensions.Version1_X/test/TestFiles/IntegrationTests/CodeGenerationIntegrationTest/Basic_DesignTime.mappings.txt

@@ -1,34 +1,34 @@
 Source Location: (13:0,13 [15] TestFiles/IntegrationTests/CodeGenerationIntegrationTest/Basic.cshtml)
 |this.ToString()|
-Generated Location: (1023:26,13 [15] )
+Generated Location: (1061:28,13 [15] )
 |this.ToString()|
 
 Source Location: (54:2,5 [29] TestFiles/IntegrationTests/CodeGenerationIntegrationTest/Basic.cshtml)
 |string.Format("{0}", "Hello")|
-Generated Location: (1159:31,6 [29] )
+Generated Location: (1197:33,6 [29] )
 |string.Format("{0}", "Hello")|
 
 Source Location: (95:4,2 [25] TestFiles/IntegrationTests/CodeGenerationIntegrationTest/Basic.cshtml)
 | 
     var cls = "foo";
 |
-Generated Location: (1305:36,2 [25] )
+Generated Location: (1343:38,2 [25] )
 | 
     var cls = "foo";
 |
 
 Source Location: (134:7,11 [18] TestFiles/IntegrationTests/CodeGenerationIntegrationTest/Basic.cshtml)
 |if(cls != null) { |
-Generated Location: (1453:42,11 [18] )
+Generated Location: (1491:44,11 [18] )
 |if(cls != null) { |
 
 Source Location: (153:7,30 [3] TestFiles/IntegrationTests/CodeGenerationIntegrationTest/Basic.cshtml)
 |cls|
-Generated Location: (1615:47,30 [3] )
+Generated Location: (1653:49,30 [3] )
 |cls|
 
 Source Location: (156:7,33 [2] TestFiles/IntegrationTests/CodeGenerationIntegrationTest/Basic.cshtml)
 | }|
-Generated Location: (1766:52,33 [2] )
+Generated Location: (1804:54,33 [2] )
 | }|
 

src/Compiler/Microsoft.AspNetCore.Mvc.Razor.Extensions.Version1_X/test/TestFiles/IntegrationTests/CodeGenerationIntegrationTest/IncompleteDirectives_DesignTime.codegen.cs

@@ -2,7 +2,7 @@
 #pragma warning disable 1591
 namespace AspNetCore
 {
-    #line hidden
+    #line default
     using TModel = global::System.Object;
     using System;
     using System.Collections.Generic;
@@ -11,6 +11,8 @@ namespace AspNetCore
     using Microsoft.AspNetCore.Mvc;
     using Microsoft.AspNetCore.Mvc.Rendering;
     using Microsoft.AspNetCore.Mvc.ViewFeatures;
+    #line default
+    #line hidden
     public class TestFiles_IntegrationTests_CodeGenerationIntegrationTest_IncompleteDirectives : global::Microsoft.AspNetCore.Mvc.Razor.RazorPage<dynamic>
     {
         #pragma warning disable 219

src/Compiler/Microsoft.AspNetCore.Mvc.Razor.Extensions.Version1_X/test/TestFiles/IntegrationTests/CodeGenerationIntegrationTest/IncompleteDirectives_DesignTime.mappings.txt

@@ -1,25 +1,25 @@
 Source Location: (102:3,7 [0] TestFiles/IntegrationTests/CodeGenerationIntegrationTest/IncompleteDirectives.cshtml)
 ||
-Generated Location: (784:19,0 [0] )
+Generated Location: (822:21,0 [0] )
 ||
 
 Source Location: (123:6,8 [0] TestFiles/IntegrationTests/CodeGenerationIntegrationTest/IncompleteDirectives.cshtml)
 ||
-Generated Location: (982:27,0 [0] )
+Generated Location: (1020:29,0 [0] )
 ||
 
 Source Location: (133:7,8 [17] TestFiles/IntegrationTests/CodeGenerationIntegrationTest/IncompleteDirectives.cshtml)
 |MyService<TModel>|
-Generated Location: (1180:35,0 [17] )
+Generated Location: (1218:37,0 [17] )
 |MyService<TModel>|
 
 Source Location: (93:2,6 [0] TestFiles/IntegrationTests/CodeGenerationIntegrationTest/IncompleteDirectives.cshtml)
 ||
-Generated Location: (1680:50,6 [0] )
+Generated Location: (1718:52,6 [0] )
 ||
 
 Source Location: (113:5,7 [0] TestFiles/IntegrationTests/CodeGenerationIntegrationTest/IncompleteDirectives.cshtml)
 ||
-Generated Location: (1816:55,7 [0] )
+Generated Location: (1854:57,7 [0] )
 ||
 

src/Compiler/Microsoft.AspNetCore.Mvc.Razor.Extensions.Version1_X/test/TestFiles/IntegrationTests/CodeGenerationIntegrationTest/InheritsViewModel_DesignTime.codegen.cs

@@ -2,7 +2,7 @@
 #pragma warning disable 1591
 namespace AspNetCore
 {
-    #line hidden
+    #line default
     using TModel = global::System.Object;
     using System;
     using System.Collections.Generic;
@@ -11,6 +11,8 @@ namespace AspNetCore
     using Microsoft.AspNetCore.Mvc;
     using Microsoft.AspNetCore.Mvc.Rendering;
     using Microsoft.AspNetCore.Mvc.ViewFeatures;
+    #line default
+    #line hidden
     public class TestFiles_IntegrationTests_CodeGenerationIntegrationTest_InheritsViewModel : MyBasePageForViews<MyModel>
     {
         #pragma warning disable 219

src/Compiler/Microsoft.AspNetCore.Mvc.Razor.Extensions.Version1_X/test/TestFiles/IntegrationTests/CodeGenerationIntegrationTest/InheritsViewModel_DesignTime.mappings.txt

@@ -1,10 +1,10 @@
 Source Location: (10:0,10 [26] TestFiles/IntegrationTests/CodeGenerationIntegrationTest/InheritsViewModel.cshtml)
 |MyBasePageForViews<TModel>|
-Generated Location: (748:19,0 [26] )
+Generated Location: (786:21,0 [26] )
 |MyBasePageForViews<TModel>|
 
 Source Location: (45:1,7 [7] TestFiles/IntegrationTests/CodeGenerationIntegrationTest/InheritsViewModel.cshtml)
 |MyModel|
-Generated Location: (992:27,0 [7] )
+Generated Location: (1030:29,0 [7] )
 |MyModel|
 

src/Compiler/Microsoft.AspNetCore.Mvc.Razor.Extensions.Version1_X/test/TestFiles/IntegrationTests/CodeGenerationIntegrationTest/InheritsWithViewImports_DesignTime.codegen.cs

@@ -2,7 +2,7 @@
 #pragma warning disable 1591
 namespace AspNetCore
 {
-    #line hidden
+    #line default
     using TModel = global::System.Object;
     using System;
     using System.Collections.Generic;
@@ -11,6 +11,8 @@ namespace AspNetCore
     using Microsoft.AspNetCore.Mvc;
     using Microsoft.AspNetCore.Mvc.Rendering;
     using Microsoft.AspNetCore.Mvc.ViewFeatures;
+    #line default
+    #line hidden
     public class TestFiles_IntegrationTests_CodeGenerationIntegrationTest_InheritsWithViewImports : MyBasePageForViews<MyModel>
     {
         #pragma warning disable 219

src/Compiler/Microsoft.AspNetCore.Mvc.Razor.Extensions.Version1_X/test/TestFiles/IntegrationTests/CodeGenerationIntegrationTest/InheritsWithViewImports_DesignTime.mappings.txt

@@ -1,5 +1,5 @@
 Source Location: (7:0,7 [7] TestFiles/IntegrationTests/CodeGenerationIntegrationTest/InheritsWithViewImports.cshtml)
 |MyModel|
-Generated Location: (760:19,0 [7] )
+Generated Location: (798:21,0 [7] )
 |MyModel|
 

src/Compiler/Microsoft.AspNetCore.Mvc.Razor.Extensions.Version1_X/test/TestFiles/IntegrationTests/CodeGenerationIntegrationTest/InjectWithModel_DesignTime.codegen.cs

@@ -2,7 +2,7 @@
 #pragma warning disable 1591
 namespace AspNetCore
 {
-    #line hidden
+    #line default
     using TModel = global::System.Object;
     using System;
     using System.Collections.Generic;
@@ -11,6 +11,8 @@ namespace AspNetCore
     using Microsoft.AspNetCore.Mvc;
     using Microsoft.AspNetCore.Mvc.Rendering;
     using Microsoft.AspNetCore.Mvc.ViewFeatures;
+    #line default
+    #line hidden
     public class TestFiles_IntegrationTests_CodeGenerationIntegrationTest_InjectWithModel : global::Microsoft.AspNetCore.Mvc.Razor.RazorPage<MyModel>
     {
         #pragma warning disable 219

src/Compiler/Microsoft.AspNetCore.Mvc.Razor.Extensions.Version1_X/test/TestFiles/IntegrationTests/CodeGenerationIntegrationTest/InjectWithModel_DesignTime.mappings.txt

@@ -1,25 +1,25 @@
 Source Location: (7:0,7 [7] TestFiles/IntegrationTests/CodeGenerationIntegrationTest/InjectWithModel.cshtml)
 |MyModel|
-Generated Location: (774:19,0 [7] )
+Generated Location: (812:21,0 [7] )
 |MyModel|
 
 Source Location: (24:1,8 [5] TestFiles/IntegrationTests/CodeGenerationIntegrationTest/InjectWithModel.cshtml)
 |MyApp|
-Generated Location: (997:27,0 [5] )
+Generated Location: (1035:29,0 [5] )
 |MyApp|
 
 Source Location: (30:1,14 [14] TestFiles/IntegrationTests/CodeGenerationIntegrationTest/InjectWithModel.cshtml)
 |MyPropertyName|
-Generated Location: (1240:35,22 [14] )
+Generated Location: (1278:37,22 [14] )
 |MyPropertyName|
 
 Source Location: (54:2,8 [17] TestFiles/IntegrationTests/CodeGenerationIntegrationTest/InjectWithModel.cshtml)
 |MyService<TModel>|
-Generated Location: (1454:43,0 [17] )
+Generated Location: (1492:45,0 [17] )
 |MyService<TModel>|
 
 Source Location: (72:2,26 [4] TestFiles/IntegrationTests/CodeGenerationIntegrationTest/InjectWithModel.cshtml)
 |Html|
-Generated Location: (1709:51,22 [4] )
+Generated Location: (1747:53,22 [4] )
 |Html|
 

src/Compiler/Microsoft.AspNetCore.Mvc.Razor.Extensions.Version1_X/test/TestFiles/IntegrationTests/CodeGenerationIntegrationTest/InjectWithSemicolon_DesignTime.codegen.cs

@@ -2,7 +2,7 @@
 #pragma warning disable 1591
 namespace AspNetCore
 {
-    #line hidden
+    #line default
     using TModel = global::System.Object;
     using System;
     using System.Collections.Generic;
@@ -11,6 +11,8 @@ namespace AspNetCore
     using Microsoft.AspNetCore.Mvc;
     using Microsoft.AspNetCore.Mvc.Rendering;
     using Microsoft.AspNetCore.Mvc.ViewFeatures;
+    #line default
+    #line hidden
     public class TestFiles_IntegrationTests_CodeGenerationIntegrationTest_InjectWithSemicolon : global::Microsoft.AspNetCore.Mvc.Razor.RazorPage<MyModel>
     {
         #pragma warning disable 219

src/Compiler/Microsoft.AspNetCore.Mvc.Razor.Extensions.Version1_X/test/TestFiles/IntegrationTests/CodeGenerationIntegrationTest/InjectWithSemicolon_DesignTime.mappings.txt

@@ -1,45 +1,45 @@
 Source Location: (7:0,7 [7] TestFiles/IntegrationTests/CodeGenerationIntegrationTest/InjectWithSemicolon.cshtml)
 |MyModel|
-Generated Location: (782:19,0 [7] )
+Generated Location: (820:21,0 [7] )
 |MyModel|
 
 Source Location: (24:1,8 [5] TestFiles/IntegrationTests/CodeGenerationIntegrationTest/InjectWithSemicolon.cshtml)
 |MyApp|
-Generated Location: (1009:27,0 [5] )
+Generated Location: (1047:29,0 [5] )
 |MyApp|
 
 Source Location: (30:1,14 [14] TestFiles/IntegrationTests/CodeGenerationIntegrationTest/InjectWithSemicolon.cshtml)
 |MyPropertyName|
-Generated Location: (1256:35,22 [14] )
+Generated Location: (1294:37,22 [14] )
 |MyPropertyName|
 
 Source Location: (58:2,8 [17] TestFiles/IntegrationTests/CodeGenerationIntegrationTest/InjectWithSemicolon.cshtml)
 |MyService<TModel>|
-Generated Location: (1474:43,0 [17] )
+Generated Location: (1512:45,0 [17] )
 |MyService<TModel>|
 
 Source Location: (76:2,26 [4] TestFiles/IntegrationTests/CodeGenerationIntegrationTest/InjectWithSemicolon.cshtml)
 |Html|
-Generated Location: (1733:51,22 [4] )
+Generated Location: (1771:53,22 [4] )
 |Html|
 
 Source Location: (93:3,8 [5] TestFiles/IntegrationTests/CodeGenerationIntegrationTest/InjectWithSemicolon.cshtml)
 |MyApp|
-Generated Location: (1941:59,0 [5] )
+Generated Location: (1979:61,0 [5] )
 |MyApp|
 
 Source Location: (99:3,14 [15] TestFiles/IntegrationTests/CodeGenerationIntegrationTest/InjectWithSemicolon.cshtml)
 |MyPropertyName2|
-Generated Location: (2188:67,22 [15] )
+Generated Location: (2226:69,22 [15] )
 |MyPropertyName2|
 
 Source Location: (129:4,8 [17] TestFiles/IntegrationTests/CodeGenerationIntegrationTest/InjectWithSemicolon.cshtml)
 |MyService<TModel>|
-Generated Location: (2407:75,0 [17] )
+Generated Location: (2445:77,0 [17] )
 |MyService<TModel>|
 
 Source Location: (147:4,26 [5] TestFiles/IntegrationTests/CodeGenerationIntegrationTest/InjectWithSemicolon.cshtml)
 |Html2|
-Generated Location: (2666:83,22 [5] )
+Generated Location: (2704:85,22 [5] )
 |Html2|
 

src/Compiler/Microsoft.AspNetCore.Mvc.Razor.Extensions.Version1_X/test/TestFiles/IntegrationTests/CodeGenerationIntegrationTest/Inject_DesignTime.codegen.cs

@@ -2,7 +2,7 @@
 #pragma warning disable 1591
 namespace AspNetCore
 {
-    #line hidden
+    #line default
     using TModel = global::System.Object;
     using System;
     using System.Collections.Generic;
@@ -11,6 +11,8 @@ namespace AspNetCore
     using Microsoft.AspNetCore.Mvc;
     using Microsoft.AspNetCore.Mvc.Rendering;
     using Microsoft.AspNetCore.Mvc.ViewFeatures;
+    #line default
+    #line hidden
     public class TestFiles_IntegrationTests_CodeGenerationIntegrationTest_Inject : global::Microsoft.AspNetCore.Mvc.Razor.RazorPage<dynamic>
     {
         #pragma warning disable 219

src/Compiler/Microsoft.AspNetCore.Mvc.Razor.Extensions.Version1_X/test/TestFiles/IntegrationTests/CodeGenerationIntegrationTest/Inject_DesignTime.mappings.txt

@@ -1,10 +1,10 @@
 Source Location: (8:0,8 [5] TestFiles/IntegrationTests/CodeGenerationIntegrationTest/Inject.cshtml)
 |MyApp|
-Generated Location: (756:19,0 [5] )
+Generated Location: (794:21,0 [5] )
 |MyApp|
 
 Source Location: (14:0,14 [14] TestFiles/IntegrationTests/CodeGenerationIntegrationTest/Inject.cshtml)
 |MyPropertyName|
-Generated Location: (990:27,22 [14] )
+Generated Location: (1028:29,22 [14] )
 |MyPropertyName|
 

src/Compiler/Microsoft.AspNetCore.Mvc.Razor.Extensions.Version1_X/test/TestFiles/IntegrationTests/CodeGenerationIntegrationTest/InvalidNamespaceAtEOF_DesignTime.codegen.cs

@@ -2,7 +2,7 @@
 #pragma warning disable 1591
 namespace AspNetCore
 {
-    #line hidden
+    #line default
     using TModel = global::System.Object;
     using System;
     using System.Collections.Generic;
@@ -11,6 +11,8 @@ namespace AspNetCore
     using Microsoft.AspNetCore.Mvc;
     using Microsoft.AspNetCore.Mvc.Rendering;
     using Microsoft.AspNetCore.Mvc.ViewFeatures;
+    #line default
+    #line hidden
     public class TestFiles_IntegrationTests_CodeGenerationIntegrationTest_InvalidNamespaceAtEOF : global::Microsoft.AspNetCore.Mvc.Razor.RazorPage<dynamic>
     {
         #pragma warning disable 219

src/Compiler/Microsoft.AspNetCore.Mvc.Razor.Extensions.Version1_X/test/TestFiles/IntegrationTests/CodeGenerationIntegrationTest/ModelExpressionTagHelper_DesignTime.codegen.cs

@@ -2,7 +2,7 @@
 #pragma warning disable 1591
 namespace AspNetCore
 {
-    #line hidden
+    #line default
     using TModel = global::System.Object;
     using System;
     using System.Collections.Generic;
@@ -11,6 +11,8 @@ namespace AspNetCore
     using Microsoft.AspNetCore.Mvc;
     using Microsoft.AspNetCore.Mvc.Rendering;
     using Microsoft.AspNetCore.Mvc.ViewFeatures;
+    #line default
+    #line hidden
     public class TestFiles_IntegrationTests_CodeGenerationIntegrationTest_ModelExpressionTagHelper : global::Microsoft.AspNetCore.Mvc.Razor.RazorPage<DateTime>
     {
         #line hidden

src/Compiler/Microsoft.AspNetCore.Mvc.Razor.Extensions.Version1_X/test/TestFiles/IntegrationTests/CodeGenerationIntegrationTest/ModelExpressionTagHelper_DesignTime.mappings.txt

@@ -1,20 +1,20 @@
 Source Location: (7:0,7 [8] TestFiles/IntegrationTests/CodeGenerationIntegrationTest/ModelExpressionTagHelper.cshtml)
 |DateTime|
-Generated Location: (1267:25,0 [8] )
+Generated Location: (1305:27,0 [8] )
 |DateTime|
 
 Source Location: (33:2,14 [29] TestFiles/IntegrationTests/CodeGenerationIntegrationTest/ModelExpressionTagHelper.cshtml)
 |"InputTestTagHelper, AppCode"|
-Generated Location: (1537:33,37 [29] )
+Generated Location: (1575:35,37 [29] )
 |"InputTestTagHelper, AppCode"|
 
 Source Location: (83:4,17 [4] TestFiles/IntegrationTests/CodeGenerationIntegrationTest/ModelExpressionTagHelper.cshtml)
 |Date|
-Generated Location: (2209:49,102 [4] )
+Generated Location: (2247:51,102 [4] )
 |Date|
 
 Source Location: (111:5,18 [5] TestFiles/IntegrationTests/CodeGenerationIntegrationTest/ModelExpressionTagHelper.cshtml)
 |Model|
-Generated Location: (2601:56,94 [5] )
+Generated Location: (2639:58,94 [5] )
 |Model|
 

src/Compiler/Microsoft.AspNetCore.Mvc.Razor.Extensions.Version1_X/test/TestFiles/IntegrationTests/CodeGenerationIntegrationTest/Model_DesignTime.codegen.cs

@@ -2,7 +2,7 @@
 #pragma warning disable 1591
 namespace AspNetCore
 {
-    #line hidden
+    #line default
     using TModel = global::System.Object;
     using System;
     using System.Collections.Generic;
@@ -11,6 +11,8 @@ namespace AspNetCore
     using Microsoft.AspNetCore.Mvc;
     using Microsoft.AspNetCore.Mvc.Rendering;
     using Microsoft.AspNetCore.Mvc.ViewFeatures;
+    #line default
+    #line hidden
     public class TestFiles_IntegrationTests_CodeGenerationIntegrationTest_Model : global::Microsoft.AspNetCore.Mvc.Razor.RazorPage<System.Collections.IEnumerable>
     {
         #pragma warning disable 219