From: Mike McLaughlin <mikem@microsoft.com>
Date: Wed, 8 Mar 2017 08:29:50 +0000 (-0800)
Subject: Fix assert in portable pdb reader running the clrstack command (dotnet/coreclr#10011)
X-Git-Tag: submit/tizen/20210909.063632~11030^2~7809
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=7c52d4b1be625f52fe1bb64c5f6694fe53306ec9;p=platform%2Fupstream%2Fdotnet%2Fruntime.git

Fix assert in portable pdb reader running the clrstack command (dotnet/coreclr#10011)

Issue dotnet/coreclr#9969

Commit migrated from https://github.com/dotnet/coreclr/commit/292770c5a5782425ab742b2739521eefc89fc725
---

diff --git a/src/coreclr/src/ToolBox/SOS/NETCore/SymbolReader.cs b/src/coreclr/src/ToolBox/SOS/NETCore/SymbolReader.cs
index 492f7cb..50a8ded 100644
--- a/src/coreclr/src/ToolBox/SOS/NETCore/SymbolReader.cs
+++ b/src/coreclr/src/ToolBox/SOS/NETCore/SymbolReader.cs
@@ -296,6 +296,9 @@ namespace SOS
                     return false;
 
                 MethodDebugInformationHandle methodDebugHandle = ((MethodDefinitionHandle)handle).ToDebugInformationHandle();
+                if (methodDebugHandle.IsNil)
+                    return false;
+
                 MethodDebugInformation methodDebugInfo = reader.GetMethodDebugInformation(methodDebugHandle);
                 SequencePointCollection sequencePoints = methodDebugInfo.GetSequencePoints();