From d8aa369f6f4515102a13578cf821af69b80d8656 Mon Sep 17 00:00:00 2001
From: Cyrus Najmabadi <cyrus.najmabadi@gmail.com>
Date: Sat, 21 Mar 2020 22:52:19 -0700
Subject: [PATCH] Restore

---
 .../Portable/Shared/Naming/FallbackNamingRules.cs     | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/src/Features/Core/Portable/Shared/Naming/FallbackNamingRules.cs b/src/Features/Core/Portable/Shared/Naming/FallbackNamingRules.cs
index 3c40e61db7e..10675db9244 100644
--- a/src/Features/Core/Portable/Shared/Naming/FallbackNamingRules.cs
+++ b/src/Features/Core/Portable/Shared/Naming/FallbackNamingRules.cs
@@ -28,9 +28,18 @@ internal static class FallbackNamingRules
                         new SymbolKindOrTypeKind(SymbolKind.RangeVariable))),
                 new NamingStyle(Guid.NewGuid(), capitalizationScheme: Capitalization.CamelCase),
                 enforcementLevel: ReportDiagnostic.Hidden),
+            // Include an entry for _ prefixed fields (.Net style).  That way features that are looking to see if
+            // there's a potential matching field for a particular name will find these as well.
+            new NamingRule(
+                new SymbolSpecification(
+                    Guid.NewGuid(),
+                    "CamelCaseWithUnderscore",
+                    ImmutableArray.Create(new SymbolKindOrTypeKind(SymbolKind.Field))),
+                new NamingStyle(Guid.NewGuid(), prefix: "_", capitalizationScheme: Capitalization.CamelCase),
+                enforcementLevel: ReportDiagnostic.Hidden),
             // Everything else should be pascal cased.
             new NamingRule(
-                SymbolSpecification.CreateDefaultSymbolSpecification(),
+                CreateDefaultSymbolSpecification(),
                 new NamingStyle(Guid.NewGuid(), capitalizationScheme: Capitalization.PascalCase),
                 enforcementLevel: ReportDiagnostic.Hidden));
 
-- 
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