Use a "canonical" form for member symbols

Mårten Åsberg committed on 2026-03-14 at 10:36

Core/ReachabilityAnalyzer.cs +9 -0

diff --git a/Core/ReachabilityAnalyzer.cs b/Core/ReachabilityAnalyzer.cs
index 3cd9b39..4d350de 100644
@@ -16,6 +16,8 @@ internal sealed class ReachabilityAnalyzer(IReadOnlyCollection<Compilation> comp
    public void Analyze(ISymbol member, CancellationToken cancellationToken)
    {
        member = GetCanonicalMemberSymbol(member);
        if (
            !IsUserDefined(member)
            || !TryGetAssociatedCompilation(member, out var compilation)
@@ -31,6 +33,13 @@ internal sealed class ReachabilityAnalyzer(IReadOnlyCollection<Compilation> comp
        }
    }
    private static ISymbol GetCanonicalMemberSymbol(ISymbol member) =>
        member switch
        {
            IMethodSymbol { ReducedFrom: ISymbol unreduced } => unreduced,
            _ => member,
        };
    private static bool IsUserDefined(ISymbol member) =>
        !member.IsImplicitlyDeclared && (member.CanBeReferencedByName || member.Name is "<Main>$");