Deconstructed local variable isn't underlined if it's reassigned exactly once in a local function

[vsfeedback]

This issue has been moved from a ticket on Developer Community.

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[severity:It's more difficult to complete my work]

Tested on VS 17.12.1 and dotnet 9.0.100.

Copy the following sample program into an empty console project, and open the project with VS2022. Make sure that the "Underline reassigned variables" option is enabled in Options | Text Editor | C# | Advanced.

The expected and displayed formatting is described in comments. Duplicating, e.g., b = 2; will cause all occurrences of b to be underlined, as expected.

var a = 0; // Correctly shown as a̲
var (b, c) = (0, 0); // Shown as (b, c), should be (b̲, c̲)

Foo();
Console.WriteLine($"{a} {b} {c}"); // Shown as {a̲} {b} {c}, should be {a̲} {b̲} {c̲}

void Foo() {
  a = 1; // Correctly shown as a̲
  b = 2; // Shown as b, should be b̲
  if (Environment.TickCount > 12345)
      c = 1; // Shown as c, should be c̲
  else
      c = 2; // Shown as c, should be c̲
}

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Original Comments

Feedback Bot on 11/19/2024, 07:50 PM:

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