fix and suppress warnings due to upgrade of Roslyn

src/dotnet/Azure.ClientSdk.Analyzers/Azure.ClientSdk.Analyzers/Azure.ClientSdk.Analyzers.csproj

@@ -13,6 +13,7 @@
     <BuildOutputTargetFolder>analyzers/dotnet/cs/</BuildOutputTargetFolder>
     <VersionPrefix>0.1.1</VersionPrefix>
     <SuppressDependenciesWhenPacking>true</SuppressDependenciesWhenPacking>
+    <EnforceExtendedAnalyzerRules>true</EnforceExtendedAnalyzerRules>
   </PropertyGroup>
 
   <ItemGroup>

src/dotnet/Azure.ClientSdk.Analyzers/shipping.globalconfig

@@ -0,0 +1,19 @@
+# The warnings below are found after upgrading to Roslyn 4.7.0
+# It should be able to fix them all. Suppressing them is just a temporary work-around.
+
+is_global = true
+
+# CS0618: 'IOperation.Children' is obsolete: 'This API has performance penalties, please use ChildOperations instead.
+dotnet_diagnostic.CS0618.severity = none
+
+# RS1031: The diagnostic title should not contain a period, nor any line return character, nor any leading or trailing whitespaces
+dotnet_diagnostic.RS1031.severity = none
+
+# RS1032: The diagnostic message should not contain any line return character nor any leading or trailing whitespaces and should either be a single sentence without a trailing period or a multi-sentences with a trailing period
+dotnet_diagnostic.RS1032.severity = none
+
+# RS2008: Enable analyzer release tracking for the analyzer project containing rule 'XXX'
+dotnet_diagnostic.RS2008.severity = none
+
+# RS1024: Use 'SymbolEqualityComparer' when comparing symbols
+dotnet_diagnostic.RS1024.severity = none