Fixing up the Double/Single parsing code to be correct

src/System.Private.CoreLib/Resources/Strings.resx

@@ -3100,9 +3100,6 @@
   <data name="Overflow_Decimal" xml:space="preserve">
     <value>Value was either too large or too small for a Decimal.</value>
   </data>
-  <data name="Overflow_Double" xml:space="preserve">
-    <value>Value was either too large or too small for a Double.</value>
-  </data>
   <data name="Overflow_Duration" xml:space="preserve">
     <value>The duration cannot be returned for TimeSpan.MinValue because the absolute value of TimeSpan.MinValue exceeds the value of TimeSpan.MaxValue.</value>
   </data>
@@ -3124,9 +3121,6 @@
   <data name="Overflow_SByte" xml:space="preserve">
     <value>Value was either too large or too small for a signed byte.</value>
   </data>
-  <data name="Overflow_Single" xml:space="preserve">
-    <value>Value was either too large or too small for a Single.</value>
-  </data>
   <data name="Overflow_TimeSpanElementTooLarge" xml:space="preserve">
     <value>The TimeSpan string '{0}' could not be parsed because at least one of the numeric components is out of range or contains too many digits.</value>
   </data>

src/System.Private.CoreLib/shared/System.Private.CoreLib.Shared.projitems

@@ -294,7 +294,7 @@
     <Compile Include="$(MSBuildThisFileDirectory)System\Number.Formatting.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)System\Number.Grisu3.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)System\Number.NumberBuffer.cs" />
-    <Compile Include="$(MSBuildThisFileDirectory)System\Number.NumberToDouble.cs" />
+    <Compile Include="$(MSBuildThisFileDirectory)System\Number.NumberToFloatingPointBits.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)System\Number.Parsing.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)System\NullReferenceException.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)System\ObjectDisposedException.cs" />

src/System.Private.CoreLib/shared/System/Double.cs

@@ -341,28 +341,7 @@ public static bool TryParse(ReadOnlySpan<char> s, NumberStyles style, IFormatPro
 
         private static bool TryParse(ReadOnlySpan<char> s, NumberStyles style, NumberFormatInfo info, out double result)
         {
-            bool success = Number.TryParseDouble(s, style, info, out result, out _);
-            if (!success)
-            {
-                ReadOnlySpan<char> sTrim = s.Trim();
-                if (sTrim.EqualsOrdinal(info.PositiveInfinitySymbol))
-                {
-                    result = PositiveInfinity;
-                }
-                else if (sTrim.EqualsOrdinal(info.NegativeInfinitySymbol))
-                {
-                    result = NegativeInfinity;
-                }
-                else if (sTrim.EqualsOrdinal(info.NaNSymbol))
-                {
-                    result = NaN;
-                }
-                else
-                {
-                    return false; // We really failed
-                }
-            }
-            return true;
+            return Number.TryParseDouble(s, style, info, out result);
         }
 
         //