java-topology/defects/javac/patch/javac-0005-inferencecontext-containsall-set.patch

# UNDF: UNDF-2026-000000121
diff --git a/src/jdk.compiler/share/classes/com/sun/tools/javac/comp/InferenceContext.java b/src/jdk.compiler/share/classes/com/sun/tools/javac/comp/InferenceContext.java
index 8fc316c8..66a8e35a 100644
--- a/src/jdk.compiler/share/classes/com/sun/tools/javac/comp/InferenceContext.java
+++ b/src/jdk.compiler/share/classes/com/sun/tools/javac/comp/InferenceContext.java
@@ -503,7 +503,7 @@ boolean isEquiv(UndetVar from, Type t, InferenceBound boundKind) {
                 if (ib == boundKind.complement()) {
                     b2 = b2.diff(List.of(from.qtype));
                 }
-                if (!b1.containsAll(b2) || !b2.containsAll(b1)) {
+                if (!new LinkedHashSet<>(b1).equals(new LinkedHashSet<>(b2))) {
                     return false;
                 }
             }