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ahorek · ahorek · commit 0d6a2a305a62 · 2025-03-14T19:20:39.000+01:00
diff --git a/core/src/main/java/org/jruby/RubyString.java b/core/src/main/java/org/jruby/RubyString.java
@@ -286,7 +286,7 @@ final boolean singleByteOptimizable(Encoding enc) {
     // case_option_single_p 
     final boolean singleCaseFold(int flags, Encoding encoding) {
         return (((flags & Config.CASE_ASCII_ONLY) != 0 && (encoding.isUTF8() || encoding.maxLength() == 1)) ||
-          !((flags & Config.CASE_FOLD_TURKISH_AZERI) != 0 && getCodeRange() == CR_7BIT));
+          ((flags & Config.CASE_FOLD_TURKISH_AZERI) == 0 && getCodeRange() == CR_7BIT));
     }
 
     @SuppressWarnings("ReferenceEquality")

Original file line number	Diff line number	Diff line change
`@@ -286,7 +286,7 @@ final boolean singleByteOptimizable(Encoding enc) {`
`286`	`286`	`// case_option_single_p`
`287`	`287`	`final boolean singleCaseFold(int flags, Encoding encoding) {`
`288`	`288`	`return (((flags & Config.CASE_ASCII_ONLY) != 0 && (encoding.isUTF8() \|\| encoding.maxLength() == 1)) \|\|`
`289`		`- !((flags & Config.CASE_FOLD_TURKISH_AZERI) != 0 && getCodeRange() == CR_7BIT));`
	`289`	`+ ((flags & Config.CASE_FOLD_TURKISH_AZERI) == 0 && getCodeRange() == CR_7BIT));`
`290`	`290`	`}`
`291`	`291`
`292`	`292`	`@SuppressWarnings("ReferenceEquality")`