From b9c2442cee9f93f8629a988449bc60cb58a2432b Mon Sep 17 00:00:00 2001
From: =?utf8?q?Tom=C3=A1=C5=A1=20Rylek?= <trylek@microsoft.com>
Date: Sat, 5 Oct 2019 11:44:05 -0700
Subject: [PATCH] Fix duplicate key failure in SuperIlc when using multiple
 runners (dotnet/coreclr#27038)

Apologies about the inconvenience, it somehow slipped through
the cracks.

Thanks

Tomas

Commit migrated from https://github.com/dotnet/coreclr/commit/d364ea3043c45eb91b0b0f1d6bedba3cca129a96
---
 src/coreclr/src/tools/ReadyToRun.SuperIlc/BuildFolderSet.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/coreclr/src/tools/ReadyToRun.SuperIlc/BuildFolderSet.cs b/src/coreclr/src/tools/ReadyToRun.SuperIlc/BuildFolderSet.cs
index a516e4a..53a2704 100644
--- a/src/coreclr/src/tools/ReadyToRun.SuperIlc/BuildFolderSet.cs
+++ b/src/coreclr/src/tools/ReadyToRun.SuperIlc/BuildFolderSet.cs
@@ -289,7 +289,7 @@ namespace ReadyToRun.SuperIlc
                 {
                     if (exclusion != null && (!exclusion.Crossgen2Only || runner.Index == CompilerIndex.CPAOT))
                     {
-                        _frameworkExclusions.Add(exclusion.SimpleName, exclusion.Reason);
+                        _frameworkExclusions[exclusion.SimpleName] = exclusion.Reason;
                         continue;
                     }
                     ProcessInfo compilationProcess = new ProcessInfo(new CompilationProcessConstructor(runner, _options.CoreRootDirectory.FullName, frameworkDll));
-- 
2.7.4