diff --git a/org.eclipse.jdt.core.tests.compiler/src/org/eclipse/jdt/core/tests/compiler/regression/SwitchPatternTest.java b/org.eclipse.jdt.core.tests.compiler/src/org/eclipse/jdt/core/tests/compiler/regression/SwitchPatternTest.java
index 48f76166749..64c61e78b40 100644
--- a/org.eclipse.jdt.core.tests.compiler/src/org/eclipse/jdt/core/tests/compiler/regression/SwitchPatternTest.java
+++ b/org.eclipse.jdt.core.tests.compiler/src/org/eclipse/jdt/core/tests/compiler/regression/SwitchPatternTest.java
@@ -2227,7 +2227,7 @@ public void testBug574563_004() {
 			3. ERROR in X.java (at line 4)
 				case null, Integer i when i > 10 -> System.out.println(0);
 				                              ^^^^^
-			Syntax error on tokens, TypeElidedFormalParameter expected instead
+			Syntax error on tokens, TypeElidedUnnamedFormalParameter expected instead
 			----------
 			4. ERROR in X.java (at line 4)
 				case null, Integer i when i > 10 -> System.out.println(0);
@@ -2270,7 +2270,7 @@ public void testBug574563_005() {
 			3. ERROR in X.java (at line 4)
 				case Integer i when i > 10, null  -> System.out.println(0);
 				                            ^^^^^^^^
-			Syntax error on tokens, TypeElidedFormalParameter expected instead
+			Syntax error on tokens, TypeElidedUnnamedFormalParameter expected instead
 			----------
 			4. ERROR in X.java (at line 4)
 				case Integer i when i > 10, null  -> System.out.println(0);
@@ -6666,7 +6666,7 @@ public void testIssue1351_7() {
 			3. ERROR in X.java (at line 5)
 				case Byte p when p.equals(exp), (byte) 0 -> {
 				                                       ^^^^
-			Syntax error on tokens, TypeElidedFormalParameter expected instead
+			Syntax error on tokens, TypeElidedUnnamedFormalParameter expected instead
 			----------
 			4. ERROR in X.java (at line 8)
 				}
@@ -6807,7 +6807,7 @@ public void testIssue1351_10() {
 			3. ERROR in X.java (at line 5)
 				case Byte p when p.equals(exp), null -> {
 				                                ^^^^^^^
-			Syntax error on tokens, TypeElidedFormalParameter expected instead
+			Syntax error on tokens, TypeElidedUnnamedFormalParameter expected instead
 			----------
 			4. ERROR in X.java (at line 8)
 				}
@@ -6853,7 +6853,7 @@ public void testIssue1351_11() {
 			3. ERROR in X.java (at line 5)
 				case Byte p when p.equals(exp), default -> {
 				                 ^^^^^^^^^^^^^^^^^^^^^^^^^
-			Syntax error on tokens, TypeElidedFormalParameter expected instead
+			Syntax error on tokens, TypeElidedUnnamedFormalParameter expected instead
 			----------
 			4. ERROR in X.java (at line 8)
 				}
diff --git a/org.eclipse.jdt.core/.gitignore b/org.eclipse.jdt.core/.gitignore
new file mode 100644
index 00000000000..49a94fd72ac
--- /dev/null
+++ b/org.eclipse.jdt.core/.gitignore
@@ -0,0 +1 @@
+jdtCompilerAdapter.jar