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Include source files w/o method bodies in the PDB documents #39136

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merged 9 commits into from
Oct 14, 2019
Merged

Include source files w/o method bodies in the PDB documents #39136

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d26e2ef
Include source files w/o method bodies in the PDB documents
ivanbasov Oct 8, 2019
68bb295
code review feedback
ivanbasov Oct 9, 2019
a4cef18
updated PDB tests
ivanbasov Oct 9, 2019
7b98102
code review feedback
ivanbasov Oct 10, 2019
a200fc8
code review feedback
ivanbasov Oct 10, 2019
25ee210
skipping windows tests in mac and linux
ivanbasov Oct 10, 2019
c08e2a2
minor refactoring
ivanbasov Oct 10, 2019
eaab9f3
revert skipping C# tests in linus and mac
ivanbasov Oct 10, 2019
28c8b82
disabling skipped test
ivanbasov Oct 14, 2019
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2 changes: 2 additions & 0 deletions src/Compilers/CSharp/Test/Emit/PDB/CheckSumTest.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -232,6 +232,7 @@ static void Main()
<file id=""2"" name=""USED2.cs"" language=""C#"" checksumAlgorithm=""406ea660-64cf-4c82-b6f0-42d48172a799"" checksum=""AB-00-7F-1D-23-D9"" />
<file id=""3"" name=""b.cs"" language=""C#"" checksumAlgorithm=""SHA1"" checksum=""C0-51-F0-6F-D3-ED-44-A2-11-4D-03-70-89-20-A6-05-11-62-14-BE"" />
<file id=""4"" name=""a.cs"" language=""C#"" checksumAlgorithm=""SHA1"" checksum=""F0-C4-23-63-A5-89-B9-29-AF-94-07-85-2F-3A-40-D3-70-14-8F-9B"" />
<file id=""5"" name=""UNUSED.cs"" language=""C#"" checksumAlgorithm=""406ea660-64cf-4c82-b6f0-42d48172a799"" checksum=""AB-00-7F-1D-23-D9"" />
</files>
<methods>
<method containingType=""C"" name=""Main"">
Expand Down Expand Up @@ -305,6 +306,7 @@ class C { void M() { } }
<symbols>
<files>
<file id=""1"" name=""a\..\a.cs"" language=""C#"" checksumAlgorithm=""406ea660-64cf-4c82-b6f0-42d48172a799"" checksum=""AB-00-7F-1D-23-D5"" />
<file id=""2"" name=""C:\a\..\b.cs"" language=""C#"" checksumAlgorithm=""SHA1"" checksum=""36-39-3C-83-56-97-F2-F0-60-95-A4-A0-32-C6-32-C7-B2-4B-16-92"" />
</files>
<methods>
<method containingType=""C"" name=""M"">
Expand Down
73 changes: 73 additions & 0 deletions src/Compilers/CSharp/Test/Emit/PDB/PDBTests.cs
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Expand Up @@ -10511,6 +10511,7 @@ public async void M1()
@"<symbols>
<files>
<file id=""1"" name=""C:\Async.cs"" language=""C#"" checksumAlgorithm=""SHA1"" checksum=""DB-EB-2A-06-7B-2F-0E-0D-67-8A-00-2C-58-7A-28-06-05-6C-3D-CE"" />
<file id=""2"" name=""HIDDEN.cs"" language=""C#"" checksumAlgorithm=""SHA1"" checksum=""8A-92-EE-2F-D6-6F-C0-69-F4-A8-54-CB-11-BE-A3-06-76-2C-9C-98"" />
</files>
<methods>
<method containingType=""C"" name=""M1"">
Expand Down Expand Up @@ -10577,6 +10578,7 @@ partial class C
<symbols>
<files>
<file id=""1"" name=""constructor.cs"" language=""C#"" checksumAlgorithm=""SHA1"" checksum=""EA-D6-0A-16-6C-6A-BC-C1-5D-98-0F-B7-4B-78-13-93-FB-C7-C2-5A"" />
<file id=""2"" name=""initializer.cs"" language=""C#"" checksumAlgorithm=""SHA1"" checksum=""84-32-24-D7-FE-32-63-BA-41-D5-17-A2-D5-90-23-B8-12-3C-AF-D5"" />
</files>
<methods>
<method containingType=""C"" name="".ctor"">
Expand Down Expand Up @@ -11037,5 +11039,76 @@ public void InvalidCharacterInPdbPath()
Diagnostic(ErrorCode.FTL_InvalidInputFileName).WithArguments("test\\?.pdb").WithLocation(1, 1));
}
}

[Fact]
[WorkItem(38954, "https://github.com/dotnet/roslyn/issues/38954")]
public void FilesOneWithNoMethodBody()
{
string source1 = WithWindowsLineBreaks(@"
using System;

class C
{
public static void Main()
{
Console.WriteLine();
}
}
");
string source2 = WithWindowsLineBreaks(@"
// no code
");

var tree1 = Parse(source1, "f:/build/goo.cs");
var tree2 = Parse(source2, "f:/build/nocode.cs");
var c = CreateCompilation(new[] { tree1, tree2 }, options: TestOptions.DebugDll);

c.VerifyPdb(@"
<symbols>
<files>
<file id=""1"" name=""f:/build/goo.cs"" language=""C#"" checksumAlgorithm=""SHA1"" checksum=""5D-7D-CF-1B-79-12-0E-0A-80-13-E0-98-7E-5C-AA-3B-63-D8-7E-4F"" />
<file id=""2"" name=""f:/build/nocode.cs"" language=""C#"" checksumAlgorithm=""SHA1"" checksum=""8B-1D-3F-75-E0-A8-8F-90-B2-D3-52-CF-71-9B-17-29-3C-70-7A-42"" />
</files>
<methods>
<method containingType=""C"" name=""Main"">
<customDebugInfo>
<using>
<namespace usingCount=""1"" />
</using>
</customDebugInfo>
<sequencePoints>
<entry offset=""0x0"" startLine=""7"" startColumn=""5"" endLine=""7"" endColumn=""6"" document=""1"" />
<entry offset=""0x1"" startLine=""8"" startColumn=""9"" endLine=""8"" endColumn=""29"" document=""1"" />
<entry offset=""0x7"" startLine=""9"" startColumn=""5"" endLine=""9"" endColumn=""6"" document=""1"" />
</sequencePoints>
<scope startOffset=""0x0"" endOffset=""0x8"">
<namespace name=""System"" />
</scope>
</method>
</methods>
</symbols>
");
}

[Fact]
[WorkItem(38954, "https://github.com/dotnet/roslyn/issues/38954")]
public void SingleFileWithNoMethodBody()
{
string source = WithWindowsLineBreaks(@"
// no code
");

var tree = Parse(source, "f:/build/nocode.cs");
var c = CreateCompilation(new[] { tree }, options: TestOptions.DebugDll);

c.VerifyPdb(@"
<symbols>
<files>
<file id=""1"" name=""f:/build/nocode.cs"" language=""C#"" checksumAlgorithm=""SHA1"" checksum=""8B-1D-3F-75-E0-A8-8F-90-B2-D3-52-CF-71-9B-17-29-3C-70-7A-42"" />
</files>
<methods />
</symbols>
");
}
}
}
3 changes: 3 additions & 0 deletions src/Compilers/Core/Portable/Emit/DebugDocumentsBuilder.cs
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Expand Up @@ -47,6 +47,9 @@ internal void AddDebugDocument(Cci.DebugSourceDocument document)
_debugDocuments.Add(document.Location, document);
}

internal ImmutableArray<Cci.DebugSourceDocument> GetAllDebugDocuments()
=> _debugDocuments.Values.ToImmutableArray();
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@tmat tmat Oct 9, 2019 •
edited by ivanbasov
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_debugDocuments.Values.ToImmutableArray(); [](start = 15, length = 42)

This will result in non-deterministic PDB. We need to order the documents somehow. #Resolved

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We could also optimize this to avoid allocations and extra work. Return IReadOnlyDictionary from this method. Enumerate the dictionary in AddRemainingDebugDocuments to filter out documents that are already indexed. Sort the remaining and add them.

In reply to: 333275492 [](ancestors = 333275492)

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Sounds good. I just think that filtering is not necessary because we add only item not yet added.

In reply to: 333278515 [](ancestors = 333278515,333275492)

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@tmat tmat Oct 10, 2019 •
edited by ivanbasov
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The filtering is an optimization, so that we don't need to sort all the documents upfront just to realize we only need to add a few. #Resolved

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Let me try

In reply to: 333303087 [](ancestors = 333303087)

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Thank you, @tmat! Updated.

In reply to: 333303897 [](ancestors = 333303897,333303087)


internal Cci.DebugSourceDocument TryGetDebugDocument(string path, string basePath)
{
return TryGetDebugDocumentForNormalizedPath(NormalizeDebugDocumentPath(path, basePath));
Expand Down
17 changes: 16 additions & 1 deletion src/Compilers/Core/Portable/NativePdbWriter/PdbWriter.cs
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Expand Up @@ -748,13 +748,28 @@ public void EmbedSourceLink(Stream stream)
/// This is done after serializing method debug info to ensure that we embed all requested
/// text even if there are no corresponding sequence points.
/// </remarks>
public void WriteRemainingEmbeddedDocuments(IEnumerable<DebugSourceDocument> embeddedDocuments)
public void WriteRemainingEmbeddedDocuments(ImmutableArray<DebugSourceDocument> embeddedDocuments)
{
foreach (var document in embeddedDocuments)
{
Debug.Assert(!document.GetSourceInfo().EmbeddedTextBlob.IsDefault);
GetDocumentIndex(document);
}
}

/// <summary>
/// Write document entries for all debug documents that does not yet have an entry.
/// </summary>
/// <remarks>
/// This is done after serializing method debug info to ensure that we embed all requested
/// text even if there are no corresponding sequence points.
/// </remarks>
public void WriteRemainingDebugDocuments(ImmutableArray<DebugSourceDocument> documents)
{
foreach (var document in documents)
{
GetDocumentIndex(document);
}
}
}
}
17 changes: 16 additions & 1 deletion src/Compilers/Core/Portable/PEWriter/MetadataWriter.PortablePdb.cs
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Expand Up @@ -759,7 +759,7 @@ private DocumentHandle GetOrAddDocument(DebugSourceDocument document, Dictionary
/// This is done after serializing method debug info to ensure that we embed all requested
/// text even if there are no corresponding sequence points.
/// </remarks>
public void AddRemainingEmbeddedDocuments(IEnumerable<DebugSourceDocument> documents)
public void AddRemainingEmbeddedDocuments(ImmutableArray<DebugSourceDocument> documents)
{
foreach (var document in documents)
{
Expand All @@ -768,6 +768,21 @@ public void AddRemainingEmbeddedDocuments(IEnumerable<DebugSourceDocument> docum
}
}

/// <summary>
/// Add document entries for all debug documents that does not yet have an entry.
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@tmat tmat Oct 9, 2019 •
edited by ivanbasov
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does [](start = 62, length = 4)

typo: do #Resolved

/// </summary>
/// <remarks>
/// This is done after serializing method debug info to ensure that we embed all requested
/// text even if there are no corresponding sequence points.
/// </remarks>
public void AddRemainingDebugDocuments(ImmutableArray<DebugSourceDocument> documents)
{
foreach (var document in documents)
{
GetOrAddDocument(document, _documentIndex);
}
}
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@tmat tmat Oct 9, 2019 •
edited by ivanbasov
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Why do we need two methods? They seem to be doing the same thing. #Resolved


#endregion

#region Edit and Continue
Expand Down
2 changes: 2 additions & 0 deletions src/Compilers/Core/Portable/PEWriter/PeWriter.cs
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Expand Up @@ -104,6 +104,7 @@ internal static bool WritePeToStream(
}

nativePdbWriterOpt.WriteRemainingEmbeddedDocuments(mdWriter.Module.DebugDocumentsBuilder.EmbeddedDocuments);
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@tmat tmat Oct 9, 2019 •
edited by ivanbasov
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WriteRemainingEmbeddedDocuments [](start = 35, length = 31)

I don't think this is necessary anymore - embedded sources are added to the set of all debug documents on the document builder in CreateDebugDocuments. If we make sure we add an entry for each document then it follows that all embedded documents will also be added.

Also, once we remove this call we can remove EmbeddedDocuments array from DebugDocumentsBuilder. #Resolved

nativePdbWriterOpt.WriteRemainingDebugDocuments(mdWriter.Module.DebugDocumentsBuilder.GetAllDebugDocuments());
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@jaredpar jaredpar Oct 8, 2019 •
edited by ivanbasov
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Nit: this boxes the ImmutableArray<T> into IEnumerable<T>. Given both these APIs are new consider changing the type of one to avoid the box. #Resolved

}

Stream peStream = getPeStream();
Expand Down Expand Up @@ -152,6 +153,7 @@ internal static bool WritePeToStream(
if (mdWriter.EmitPortableDebugMetadata)
{
mdWriter.AddRemainingEmbeddedDocuments(mdWriter.Module.DebugDocumentsBuilder.EmbeddedDocuments);
mdWriter.AddRemainingDebugDocuments(mdWriter.Module.DebugDocumentsBuilder.GetAllDebugDocuments());

// The algorithm must be specified for deterministic builds (checked earlier).
Debug.Assert(!isDeterministic || context.Module.PdbChecksumAlgorithm.Name != null);
Expand Down
3 changes: 3 additions & 0 deletions src/Compilers/VisualBasic/Test/Emit/PDB/ChecksumTests.vb
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Expand Up @@ -248,6 +248,7 @@ End Class
<files>
<file id="1" name="b:\base\line.vb" language="VB"/>
<file id="2" name="q:\absolute\line.vb" language="VB"/>
<file id="3" name="b:\base\b.vb" language="VB" checksumAlgorithm="SHA1" checksum="F9-90-00-9D-9E-45-97-F2-3D-67-1C-D8-47-A8-9B-DA-4A-91-AA-7F"/>
</files>
<methods>
<method containingType="C" name="M">
Expand Down Expand Up @@ -312,6 +313,7 @@ End Class
<file id="3" name="b:\base\c.vb" language="VB" checksumAlgorithm="406ea660-64cf-4c82-b6f0-42d48172a79a" checksum="AB-00-7F-1D-23-DC"/>
<file id="4" name="b:\base\d.vb" language="VB" checksumAlgorithm="406ea660-64cf-4c82-b6f0-42d48172a79a" checksum="AB-00-7F-1D-23-DD"/>
<file id="5" name="b:\base\e.vb" language="VB" checksumAlgorithm="406ea660-64cf-4c82-b6f0-42d48172a79a" checksum="AB-00-7F-1D-23-DE"/>
<file id="6" name="b:\base\file.vb" language="VB" checksumAlgorithm="SHA1" checksum="C2-46-C6-34-F6-20-D3-FE-28-B9-D8-62-0F-A9-FB-2F-89-E7-48-23"/>
</files>
<methods>
<method containingType="C" name="M">
Expand Down Expand Up @@ -363,6 +365,7 @@ End Class
<file id="1" name="a.vb" language="VB" checksumAlgorithm="406ea660-64cf-4c82-b6f0-42d48172a79a" checksum="AB-00-7F-1D-23-DA"/>
<file id="2" name="./a.vb" language="VB"/>
<file id="3" name="b.vb" language="VB"/>
<file id="4" name="file.vb" language="VB" checksumAlgorithm="SHA1" checksum="23-C1-6B-94-B0-D4-06-26-C8-D2-82-21-63-07-53-11-4D-5A-02-BC"/>
</files>
<methods>
<method containingType="C" name="M">
Expand Down
13 changes: 13 additions & 0 deletions src/Compilers/VisualBasic/Test/Emit/PDB/PDBExternalSourceDirectiveTests.vb
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Expand Up @@ -46,6 +46,7 @@ End Class
<symbols>
<files>
<file id="1" name="C:\abc\def.vb" language="VB"/>
<file id="2" name="a.vb" language="VB" checksumAlgorithm="SHA1" checksum="70-82-DD-9A-57-B3-BE-57-7E-E8-B4-AE-B8-1E-1B-75-38-9D-13-C9"/>
</files>
<entryPoint declaringType="C1" methodName="Main"/>
<methods>
Expand Down Expand Up @@ -120,6 +121,7 @@ End Class
<files>
<file id="1" name="C:\abc\def.vb" language="VB"/>
<file id="2" name="C:\abc\def2.vb" language="VB"/>
<file id="3" name="a.vb" language="VB" checksumAlgorithm="SHA1" checksum="DB-A9-94-EF-BC-DF-10-C9-60-0F-C0-C4-9F-E4-77-F9-37-CF-E1-CE"/>
</files>
<entryPoint declaringType="C1" methodName="Main"/>
<methods>
Expand Down Expand Up @@ -359,6 +361,9 @@ End Class
' Care about the fact that there are no sequence points or referenced files
compilation.VerifyPdb(
<symbols>
<files>
<file id="1" name="a.vb" language="VB" checksumAlgorithm="SHA1" checksum="B6-80-9E-65-43-38-00-C1-35-7F-AE-D0-60-F2-24-44-A8-11-C2-63"/>
</files>
<entryPoint declaringType="C1" methodName="Main"/>
<methods>
<method containingType="C1" name="Main" format="windows">
Expand Down Expand Up @@ -418,6 +423,9 @@ End Class
' Care about the fact that no files are referenced
compilation.VerifyPdb(
<symbols>
<files>
<file id="1" name="a.vb" language="VB" checksumAlgorithm="SHA1" checksum="73-05-84-40-AC-E0-15-63-CC-FE-BD-9A-99-23-AA-BD-24-40-24-44"/>
</files>
<entryPoint declaringType="C1" methodName="Main"/>
<methods>
<method containingType="C1" name="Main" format="windows">
Expand Down Expand Up @@ -503,6 +511,9 @@ End Class
<files>
<file id="1" name="C:\abc\def1.vb" language="VB"/>
<file id="2" name="C:\abc\def2.vb" language="VB" checksumAlgorithm="406ea660-64cf-4c82-b6f0-42d48172a799" checksum="12-34"/>
<file id="3" name="b.vb" language="VB" checksumAlgorithm="SHA1" checksum="7F-D8-35-3F-B4-08-17-37-3E-37-30-26-2A-3F-0C-20-6F-48-2A-7A"/>
<file id="4" name="BOGUS.vb" language="VB" checksumAlgorithm="406ea660-64cf-4c82-b6f0-42d48172a799" checksum="12-34"/>
<file id="5" name="C:\Abc\ACTUAL.vb" language="VB" checksumAlgorithm="SHA1" checksum="27-52-E9-85-5A-AC-31-05-A5-6F-70-40-55-3A-9C-43-D2-07-0D-4B"/>
</files>
<entryPoint declaringType="C1" methodName="Main" parameterNames="args"/>
<methods>
Expand Down Expand Up @@ -704,6 +715,7 @@ End Module
<symbols>
<files>
<file id="1" name="C:\abc\def.vb" language="VB"/>
<file id="2" name="a.vb" language="VB" checksumAlgorithm="SHA1" checksum="D2-FF-05-F8-B7-A2-25-B0-96-D9-97-2F-05-F8-F0-B5-81-8D-98-1D"/>
</files>
<entryPoint declaringType="Program" methodName="Main"/>
<methods>
Expand Down Expand Up @@ -757,6 +769,7 @@ End Class
<symbols>
<files>
<file id="1" name="C:\Folder1\Test2.vb" language="VB" checksumAlgorithm="406ea660-64cf-4c82-b6f0-42d48172a799" checksum="DB-78-88-82-72-1B-2B-27-C9-05-79-D5-FE-2A-04-18"/>
<file id="2" name="C:\Folder1\Folder2\Test1.vb" language="VB" checksumAlgorithm="SHA1" checksum="B9-49-3D-62-89-9B-B2-2F-B6-72-90-A1-2D-01-11-89-B4-C2-83-B4"/>
</files>
<methods>
<method containingType="Test1" name="Main">
Expand Down
65 changes: 65 additions & 0 deletions src/Compilers/VisualBasic/Test/Emit/PDB/PDBTests.vb
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Expand Up @@ -4614,5 +4614,70 @@ End Class"
result.Diagnostics.Verify(Diagnostic(ERRID.FTL_InvalidInputFileName).WithArguments("test\\?.pdb").WithLocation(1, 1))
End Using
End Sub

<Fact>
<WorkItem(38954, "https://github.com/dotnet/roslyn/issues/38954")>
Public Sub FilesOneWithNoMethodBody()
Dim source1 =
"Imports System

Class C
Public Shared Sub Main()
Console.WriteLine()
End Sub
End Class
"
Dim source2 =
"
' no code
"

Dim tree1 = Parse(source1, "f:/build/goo.vb")
Dim tree2 = Parse(source2, "f:/build/nocode.vb")
Dim c = CreateCompilation({tree1, tree2}, options:=TestOptions.DebugDll)

c.VerifyPdb("
<symbols>
<files>
<file id=""1"" name=""f:/build/goo.vb"" language=""VB"" checksumAlgorithm=""SHA1"" checksum=""48-27-3C-50-9D-24-D4-0D-51-87-6C-E2-FB-2F-AA-1C-80-96-0B-B7"" />
<file id=""2"" name=""f:/build/nocode.vb"" language=""VB"" checksumAlgorithm=""SHA1"" checksum=""40-43-2C-44-BA-1C-C7-1A-B3-F3-68-E5-96-7C-65-9D-61-85-D5-44"" />
</files>
<methods>
<method containingType=""C"" name=""Main"">
<sequencePoints>
<entry offset=""0x0"" startLine=""4"" startColumn=""5"" endLine=""4"" endColumn=""29"" document=""1"" />
<entry offset=""0x1"" startLine=""5"" startColumn=""9"" endLine=""5"" endColumn=""28"" document=""1"" />
<entry offset=""0x7"" startLine=""6"" startColumn=""5"" endLine=""6"" endColumn=""12"" document=""1"" />
</sequencePoints>
<scope startOffset=""0x0"" endOffset=""0x8"">
<namespace name=""System"" importlevel=""file"" />
<currentnamespace name="""" />
</scope>
</method>
</methods>
</symbols>
")
End Sub

<Fact>
<WorkItem(38954, "https://github.com/dotnet/roslyn/issues/38954")>
Public Sub SingleFileWithNoMethodBody()
Dim source =
"
' no code
"

Dim tree = Parse(source, "f:/build/nocode.vb")
Dim c = CreateCompilation({tree}, options:=TestOptions.DebugDll)

c.VerifyPdb("
<symbols>
<files>
<file id=""1"" name=""f:/build/nocode.vb"" language=""VB"" checksumAlgorithm=""SHA1"" checksum=""40-43-2C-44-BA-1C-C7-1A-B3-F3-68-E5-96-7C-65-9D-61-85-D5-44"" />
</files>
<methods />
</symbols>
")
End Sub
End Class
End Namespace