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Readonly fields have an accessible home when accessed from init-only setter #46323

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merged 4 commits into from
Aug 4, 2020
Merged

Readonly fields have an accessible home when accessed from init-only setter #46323

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ac6809d
Readonly fields have an accessible home when accessed from init-only …
jcouv Jul 25, 2020
53c1720
Fix type comparison
jcouv Jul 27, 2020
da2526b
Expand on PE verification problem
jcouv Jul 28, 2020
143d106
Merge remote-tracking branch 'dotnet/master' into init-home
jcouv Jul 31, 2020
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5 changes: 2 additions & 3 deletions src/Compilers/CSharp/Portable/Binder/Binder.ValueChecks.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -3360,19 +3360,18 @@ private static bool HasHome(
}

// while readonly fields have home it is not valid to refer to it when not constructing.
if (!TypeSymbol.Equals(field.ContainingType, method.ContainingType, TypeCompareKind.ConsiderEverything2))
if (!TypeSymbol.Equals(field.ContainingType, method.ContainingType, TypeCompareKind.AllIgnoreOptions))
{
return false;
}


if (field.IsStatic)
{
return method.MethodKind == MethodKind.StaticConstructor;
}
else
{
return method.MethodKind == MethodKind.Constructor &&
return (method.MethodKind == MethodKind.Constructor || method.IsInitOnly) &&
fieldAccess.ReceiverOpt.Kind == BoundKind.ThisReference;
}
}
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