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[release/7.0-rc2] [Mono] Restore old code to solve the recent SpanHelpers regressions #75996

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merged 5 commits into from
Sep 22, 2022
Merged

[release/7.0-rc2] [Mono] Restore old code to solve the recent SpanHelpers regressions #75996

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851b6d7
bring back the old code...
adamsitnik Sep 16, 2022
9f3d5a5
bring back more old code
adamsitnik Sep 20, 2022
e086ac4
Use an ifdef around clr code instead of a separate file
jeffhandley Sep 20, 2022
7506a77
Delete SpanHelpers.Clr.cs
jeffhandley Sep 20, 2022
a841473
Remove a remaining INumber<T> helper from mono
jeffhandley Sep 21, 2022
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3 changes: 3 additions & 0 deletions src/libraries/System.Private.CoreLib/src/System.Private.CoreLib.Shared.projitems
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Original file line number Diff line number Diff line change
Expand Up @@ -2457,4 +2457,7 @@
<Compile Include="$(MSBuildThisFileDirectory)System\Numerics\IUnaryPlusOperators.cs" />
<Compile Include="$(MSBuildThisFileDirectory)System\Numerics\IUnsignedNumber.cs" />
</ItemGroup>
<ItemGroup Condition="'$(FeatureMono)' == 'true'">
<Compile Include="$(MSBuildThisFileDirectory)System\SpanHelpers.Mono.cs" />
</ItemGroup>
</Project>
2 changes: 2 additions & 0 deletions src/libraries/System.Private.CoreLib/src/System/MemoryExtensions.cs
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Expand Up @@ -1617,6 +1617,7 @@ ref Unsafe.As<T, byte>(ref MemoryMarshal.GetReference(span)),
Unsafe.Add(ref valueRef, 2),
span.Length);

#if !MONO // We don't have a mono overload for 4 values
case 4:
return SpanHelpers.LastIndexOfAnyValueType(
ref spanRef,
Expand All @@ -1625,6 +1626,7 @@ ref Unsafe.As<T, byte>(ref MemoryMarshal.GetReference(span)),
Unsafe.Add(ref valueRef, 2),
Unsafe.Add(ref valueRef, 3),
span.Length);
#endif

default:
return LastIndexOfAnyProbabilistic(ref Unsafe.As<short, char>(ref spanRef), span.Length, ref Unsafe.As<short, char>(ref valueRef), values.Length);
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