Update error messages and fix int.MinValue overflow in FormatInt32ToValueListBuilder

Co-authored-by: tannergooding <10487869+tannergooding@users.noreply.github.com>

Author: Copilot

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

@@ -409,6 +409,9 @@
   <data name="Arg_HandleNotSync" xml:space="preserve">
     <value>Handle does not support synchronous operations. The parameters to the FileStream constructor may need to be changed to indicate that the handle was opened asynchronously (that is, it was opened explicitly for overlapped I/O).</value>
   </data>
+  <data name="Arg_BinaryStyleNotSupported" xml:space="preserve">
+    <value>The number style AllowBinarySpecifier is not supported on floating point data types.</value>
+  </data>
   <data name="Arg_HexBinaryStylesNotSupported" xml:space="preserve">
     <value>The number styles AllowHexSpecifier and AllowBinarySpecifier are not supported on floating point data types.</value>
   </data>

src/libraries/System.Private.CoreLib/src/System/Globalization/NumberFormatInfo.cs

@@ -837,7 +837,7 @@ internal static void ValidateParseStyleFloatingPoint(NumberStyles style)
             // Binary specifier is not supported for floating point
             if ((style & NumberStyles.AllowBinarySpecifier) != 0)
             {
-                ThrowHexBinaryStylesNotSupported();
+                ThrowBinaryStyleNotSupported();
             }
 
             // When AllowHexSpecifier is used, only specific flags are allowed
@@ -856,8 +856,8 @@ static void ThrowInvalidStyle() =>
                 throw new ArgumentException(SR.Argument_InvalidNumberStyles, nameof(style));
 
             [DoesNotReturn]
-            static void ThrowHexBinaryStylesNotSupported() =>
-                throw new ArgumentException(SR.Arg_HexBinaryStylesNotSupported, nameof(style));
+            static void ThrowBinaryStyleNotSupported() =>
+                throw new ArgumentException(SR.Arg_BinaryStyleNotSupported, nameof(style));
 
             [DoesNotReturn]
             static void ThrowInvalidHexBinaryStyle() =>

src/libraries/System.Private.CoreLib/src/System/Number.Formatting.cs

@@ -647,22 +647,28 @@ private static void FormatFloatAsHex<TNumber, TChar>(ref ValueListBuilder<TChar>
         private static void FormatInt32ToValueListBuilder<TChar>(ref ValueListBuilder<TChar> vlb, int value)
             where TChar : unmanaged, IUtfChar<TChar>
         {
+            uint uvalue;
             if (value < 0)
             {
                 vlb.Append(TChar.CastFrom('-'));
-                value = -value;
+                // Handle int.MinValue overflow: negating int.MinValue would overflow
+                // Use unchecked cast to uint which handles the two's complement correctly
+                uvalue = unchecked((uint)-value);
+            }
+            else
+            {
+                uvalue = (uint)value;
             }
 
             // Handle zero specially
-            if (value == 0)
+            if (uvalue == 0)
             {
                 vlb.Append(TChar.CastFrom('0'));
                 return;
             }
 
             // Format digits in reverse, then reverse the span
             int startIndex = vlb.Length;
-            uint uvalue = (uint)value;
 
             while (uvalue > 0)
             {