trick

EgorBo · May 7, 2023 · b79af3f · b79af3f
1 parent 19fde37
commit b79af3f
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/libraries/System.Private.CoreLib/src/System/Text/StringBuilder.cs b/src/libraries/System.Private.CoreLib/src/System/Text/StringBuilder.cs
@@ -2116,7 +2116,7 @@ private void Append(ref char value, int valueCount)
                 if (((uint)chunkLength + (uint)valueCount) <= (uint)chunkChars.Length)
                 {
                     ref char destination = ref Unsafe.Add(ref MemoryMarshal.GetArrayDataReference(chunkChars), chunkLength);
-                    if (valueCount <= 2)
+                    if (valueCount <= 2 && !RuntimeHelpers.IsKnownConstant(valueCount))
                     {
                         destination = value;
                         if (valueCount == 2)