Fix ascii range check (dotnet/coreclr#16535)

benaadams · jkotas · commit bfc490d6a4ce · 2018-02-26T17:55:34.000-08:00
Signed-off-by: dotnet-bot-corefx-mirror &lt;dotnet-bot@microsoft.com&gt;
diff --git a/src/Common/src/CoreLib/System/Globalization/CompareInfo.cs b/src/Common/src/CoreLib/System/Globalization/CompareInfo.cs
@@ -566,7 +566,7 @@ internal static unsafe int CompareOrdinalIgnoreCase(ReadOnlySpan<char> strA, Rea
                 char* b = bp;
 
                 // in InvariantMode we support all range and not only the ascii characters.
-                char maxChar = (char) (GlobalizationMode.Invariant ? 0xFFFF : 0x80);
+                char maxChar = (char) (GlobalizationMode.Invariant ? 0xFFFF : 0x7F);
 
                 while (length != 0 && (*a <= maxChar) && (*b <= maxChar))
                 {

Original file line number	Diff line number	Diff line change
`@@ -566,7 +566,7 @@ internal static unsafe int CompareOrdinalIgnoreCase(ReadOnlySpan<char> strA, Rea`
`566`	`566`	`char* b = bp;`
`567`	`567`
`568`	`568`	`// in InvariantMode we support all range and not only the ascii characters.`
`569`		`- char maxChar = (char) (GlobalizationMode.Invariant ? 0xFFFF : 0x80);`
	`569`	`+ char maxChar = (char) (GlobalizationMode.Invariant ? 0xFFFF : 0x7F);`
`570`	`570`
`571`	`571`	`while (length != 0 && (a <= maxChar) && (b <= maxChar))`
`572`	`572`	`{`