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Migrate SpanArr inline array from InvalidCSharp*.il to C# #123736

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Merged
jkoritzinsky merged 10 commits into from
Apr 24, 2026
Merged

Migrate SpanArr inline array from InvalidCSharp*.il to C# #123736

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4d9056e
Initial plan
Copilot Jan 28, 2026
cae838c
Migrate WithRefField, WithRefStructField, and WithTypedReferenceField…
Copilot Jan 28, 2026
1529868
Migrate SpanArr ref struct inline array to C#
Copilot Jan 28, 2026
359a1bb
Migrate ByRefLike helper types and generic structs to C#
Copilot Jan 28, 2026
3940ebe
Complete removal of migrated generic types from IL
Copilot Jan 28, 2026
ab1d3f1
Move migrated types out of InvalidCSharp namespace
Copilot Jan 29, 2026
93d4d2e
Move GenericValueType_Over, GenericByRefLike_Over, and interfaces bac…
Copilot Feb 17, 2026
67bb6f5
Move helper types back to IL to fix build errors
Copilot Feb 20, 2026
1d70f6b
Move RefFields types back to IL - ref to ref struct and TypedReferenc…
Copilot Feb 20, 2026
102fe72
Revert InvalidCSharp.il (ByRefLike) to original state
Copilot Feb 21, 2026
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18 changes: 18 additions & 0 deletions src/tests/Loader/classloader/InlineArray/InlineArrayValid.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -448,3 +448,21 @@ public static void InlineArrayEqualsGetHashCode_Fails()
});
}
}

[InlineArray(LengthConst)]
public ref struct SpanArr
{
private const int LengthConst = 100;
public Span<object> element;

public int Length => LengthConst;

[UnscopedRef]
public unsafe Span<object>* At(int index)
{
fixed (Span<object>* ptr = &element)
{
return ptr + index;
}
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}
}
47 changes: 0 additions & 47 deletions src/tests/Loader/classloader/InlineArray/InvalidCSharpInlineArray.il
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Original file line number Diff line number Diff line change
Expand Up @@ -85,50 +85,3 @@
.field private int32 a
.field private int32 b
}

.class public sequential ansi sealed beforefieldinit SpanArr
extends [System.Runtime]System.ValueType
{
.custom instance void [System.Runtime]System.Runtime.CompilerServices.IsByRefLikeAttribute::.ctor() = (
01 00 00 00
)
.custom instance void [System.Runtime]System.Runtime.CompilerServices.InlineArrayAttribute::.ctor(int32) = (
01 00 64 00 00 00 00 00
)

.field private static literal int32 LengthConst = int32(100)
.field public valuetype [System.Runtime]System.Span`1<object> element

.method public hidebysig
instance valuetype [System.Runtime]System.Span`1<object>* At (
int32
) cil managed
{
.locals init (
[0] valuetype [System.Runtime]System.Span`1<object>& pinned
)
ldarg.0
ldflda valuetype [System.Runtime]System.Span`1<object> SpanArr::element
stloc.0
ldloc.0
conv.u
ldarg.1
conv.i
sizeof valuetype [System.Runtime]System.Span`1<object>
mul
add
ret
}

.method public hidebysig specialname
instance int32 get_Length () cil managed
{
ldc.i4.s 100
ret
}

.property instance int32 Length()
{
.get instance int32 SpanArr::get_Length()
}
}
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