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Bug fix for issue #8111 - Don't mark cast as redundant if removing it will change the shape of a new anonymous object - #8195
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… will change the shape of a new anonymous object
This fixes a corner case in which the IDE0004 diagnostic ("C# Cast is
redundant") claims a cast is safe to remove, when removing it could in
fact change program behavior, by changing the type of an anonymous
object's member
davkean
added
the
Community
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@dotnet-bot test eta please tag @dotnet/roslyn-ide @DustinCampbell |
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@dotnet-bot retest prtest/mac/dbg/unit32 please |
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It's be good to add a test to ensure that it still reports redundant identity casts in this scenario.
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Also, tests for casts when the property name is omitted. E.g.
object thing = new { (int)Directions.South };There was a problem hiding this comment.
Both good ideas, I'll try to get those in soon
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Ignore my comment about |
…nAnalyzer (from CastExpressionSyntaxExtentions)
…dundant from being marked for removal
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tag @dotnet/roslyn-ide for another look. |
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LGTM 👍 |
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why 'is' instead of the Kind checks like above?
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Saw others with "is", especially at the top of the method, copied that style.
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👍 just had a nit. |
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Sorry for the late reply on this, we'll try and get this merged in today. @dotnet-bot test eta please |
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@dotnet-bot test eta please |
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@dotnet-bot test eta please |
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test vsi please |
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retest this please |
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@steveniles -- sorry it took so long to get this one in. Running tests one more time. 😄 |
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@DustinCampbell No problem, figured it would get done once the issues with the test server(s) were resolved :) |
7 participants
Fixes #8111
This fixes a corner case in which the IDE0004 diagnostic ("C# Cast is redundant") claims a cast is safe to remove, when removing it could in fact change program behavior, by changing the type of an anonymous object's member