Crach VS2017 craches when insert code with twice use one name out variable

[vsfeedback]

crashtestconsoleapp.zip

class Program
    {
        static void Main(string[] args)
        {
            var int_string = "123";
            // Replace "0" to "int.TryParse(int_string, out var i) ? i : default(int)"
            new TestData(int_string, 0) { Number = int.TryParse(int_string, out var i) ? i : default(int) };
        }

        struct TestData
        {
            public int Number { get; set; }
            public string Str { get; }

            public TestData(string str, int number)
            {
                Str = str;
                Number = number;
            }
        }
    }

This issue has been moved from https://developercommunity.visualstudio.com/content/problem/328269/crach-vs2017-craches-when-insert-code-with-twice-u.html
VSTS ticketId: 677539
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These are the original issue solutions:
(no solutions)

[svick]

Here is an even smaller repro:

class C
{
    int Number { get; set; }

    C(int number) { }

    void M(string s) =>
        new C(int.TryParse(s, out var i) ? i : 0) { Number = int.TryParse(s, out var i) ? i : 0 };
}

This code causes a StackOverflowException in a release-mode compiler. In a debug-mode compiler, it triggers this assert (used to "detect infinite recursion in type inference"):

roslyn/src/Compilers/CSharp/Portable/Symbols/Source/SourceLocalSymbol.cs

Line 292 in 1f082e4

Debug.Assert(concurrentTypeResolutions < 50);

The repeating part of the stack trace is:

>	Microsoft.CodeAnalysis.CSharp.dll!Microsoft.CodeAnalysis.CSharp.Symbols.SourceLocalSymbol.Type.get() Line 292	C#
 	Microsoft.CodeAnalysis.CSharp.dll!Microsoft.CodeAnalysis.CSharp.Binder.BindNonMethod(Microsoft.CodeAnalysis.CSharp.Syntax.SimpleNameSyntax node, Microsoft.CodeAnalysis.CSharp.Symbol symbol, Microsoft.CodeAnalysis.DiagnosticBag diagnostics, Microsoft.CodeAnalysis.CSharp.LookupResultKind resultKind, bool indexed, bool isError) Line 1534	C#
 	Microsoft.CodeAnalysis.CSharp.dll!Microsoft.CodeAnalysis.CSharp.Binder.BindIdentifier(Microsoft.CodeAnalysis.CSharp.Syntax.SimpleNameSyntax node, bool invoked, bool indexed, Microsoft.CodeAnalysis.DiagnosticBag diagnostics) Line 1251	C#
 	Microsoft.CodeAnalysis.CSharp.dll!Microsoft.CodeAnalysis.CSharp.Binder.BindExpressionInternal(Microsoft.CodeAnalysis.CSharp.Syntax.ExpressionSyntax node, Microsoft.CodeAnalysis.DiagnosticBag diagnostics, bool invoked, bool indexed) Line 399	C#
 	Microsoft.CodeAnalysis.CSharp.dll!Microsoft.CodeAnalysis.CSharp.Binder.BindExpression(Microsoft.CodeAnalysis.CSharp.Syntax.ExpressionSyntax node, Microsoft.CodeAnalysis.DiagnosticBag diagnostics, bool invoked, bool indexed) Line 329	C#
 	Microsoft.CodeAnalysis.CSharp.dll!Microsoft.CodeAnalysis.CSharp.Binder.BindValue(Microsoft.CodeAnalysis.CSharp.Syntax.ExpressionSyntax node, Microsoft.CodeAnalysis.DiagnosticBag diagnostics, Microsoft.CodeAnalysis.CSharp.Binder.BindValueKind valueKind) Line 228	C#
 	Microsoft.CodeAnalysis.CSharp.dll!Microsoft.CodeAnalysis.CSharp.Binder.BindConditionalOperator(Microsoft.CodeAnalysis.CSharp.Syntax.ConditionalExpressionSyntax node, Microsoft.CodeAnalysis.DiagnosticBag diagnostics) Line 3590	C#
 	Microsoft.CodeAnalysis.CSharp.dll!Microsoft.CodeAnalysis.CSharp.Binder.BindExpressionInternal(Microsoft.CodeAnalysis.CSharp.Syntax.ExpressionSyntax node, Microsoft.CodeAnalysis.DiagnosticBag diagnostics, bool invoked, bool indexed) Line 467	C#
 	Microsoft.CodeAnalysis.CSharp.dll!Microsoft.CodeAnalysis.CSharp.Binder.BindExpression(Microsoft.CodeAnalysis.CSharp.Syntax.ExpressionSyntax node, Microsoft.CodeAnalysis.DiagnosticBag diagnostics, bool invoked, bool indexed) Line 329	C#
 	Microsoft.CodeAnalysis.CSharp.dll!Microsoft.CodeAnalysis.CSharp.Binder.BindValue(Microsoft.CodeAnalysis.CSharp.Syntax.ExpressionSyntax node, Microsoft.CodeAnalysis.DiagnosticBag diagnostics, Microsoft.CodeAnalysis.CSharp.Binder.BindValueKind valueKind) Line 228	C#
 	Microsoft.CodeAnalysis.CSharp.dll!Microsoft.CodeAnalysis.CSharp.Binder.BindInitializerExpressionOrValue(Microsoft.CodeAnalysis.CSharp.Syntax.ExpressionSyntax syntax, Microsoft.CodeAnalysis.CSharp.Symbols.TypeSymbol type, Microsoft.CodeAnalysis.SyntaxNode typeSyntax, Microsoft.CodeAnalysis.DiagnosticBag diagnostics) Line 3866	C#
 	Microsoft.CodeAnalysis.CSharp.dll!Microsoft.CodeAnalysis.CSharp.Binder.BindObjectInitializerMemberAssignment(Microsoft.CodeAnalysis.CSharp.Syntax.ExpressionSyntax memberInitializer, Microsoft.CodeAnalysis.CSharp.Symbols.TypeSymbol initializerType, Microsoft.CodeAnalysis.CSharp.Binder objectInitializerMemberBinder, Microsoft.CodeAnalysis.DiagnosticBag diagnostics, Microsoft.CodeAnalysis.CSharp.BoundImplicitReceiver implicitReceiver) Line 3955	C#
 	Microsoft.CodeAnalysis.CSharp.dll!Microsoft.CodeAnalysis.CSharp.Binder.BindObjectInitializerExpression(Microsoft.CodeAnalysis.CSharp.Syntax.InitializerExpressionSyntax initializerSyntax, Microsoft.CodeAnalysis.CSharp.Symbols.TypeSymbol initializerType, Microsoft.CodeAnalysis.DiagnosticBag diagnostics, Microsoft.CodeAnalysis.CSharp.BoundImplicitReceiver implicitReceiver) Line 3900	C#
 	Microsoft.CodeAnalysis.CSharp.dll!Microsoft.CodeAnalysis.CSharp.Binder.BindInitializerExpression(Microsoft.CodeAnalysis.CSharp.Syntax.InitializerExpressionSyntax syntax, Microsoft.CodeAnalysis.CSharp.Symbols.TypeSymbol type, Microsoft.CodeAnalysis.SyntaxNode typeSyntax, Microsoft.CodeAnalysis.DiagnosticBag diagnostics) Line 3837	C#
 	Microsoft.CodeAnalysis.CSharp.dll!Microsoft.CodeAnalysis.CSharp.Binder.BindObjectCreationExpression(Microsoft.CodeAnalysis.CSharp.Syntax.ObjectCreationExpressionSyntax node, Microsoft.CodeAnalysis.DiagnosticBag diagnostics) Line 3560	C#
 	Microsoft.CodeAnalysis.CSharp.dll!Microsoft.CodeAnalysis.CSharp.Binder.BindExpressionInternal(Microsoft.CodeAnalysis.CSharp.Syntax.ExpressionSyntax node, Microsoft.CodeAnalysis.DiagnosticBag diagnostics, bool invoked, bool indexed) Line 396	C#
 	Microsoft.CodeAnalysis.CSharp.dll!Microsoft.CodeAnalysis.CSharp.Binder.BindExpression(Microsoft.CodeAnalysis.CSharp.Syntax.ExpressionSyntax node, Microsoft.CodeAnalysis.DiagnosticBag diagnostics, bool invoked, bool indexed) Line 329	C#
 	Microsoft.CodeAnalysis.CSharp.dll!Microsoft.CodeAnalysis.CSharp.Binder.BindExpression(Microsoft.CodeAnalysis.CSharp.Syntax.ExpressionSyntax node, Microsoft.CodeAnalysis.DiagnosticBag diagnostics) Line 324	C#
 	Microsoft.CodeAnalysis.CSharp.dll!Microsoft.CodeAnalysis.CSharp.Symbols.SourceLocalSymbol.LocalSymbolWithEnclosingContext.InferTypeOfVarVariable(Microsoft.CodeAnalysis.DiagnosticBag diagnostics) Line 762	C#
 	Microsoft.CodeAnalysis.CSharp.dll!Microsoft.CodeAnalysis.CSharp.Symbols.SourceLocalSymbol.GetTypeSymbol() Line 335	C#
 	Microsoft.CodeAnalysis.CSharp.dll!Microsoft.CodeAnalysis.CSharp.Symbols.SourceLocalSymbol.Type.get() Line 294	C#