IDEA-204717 Can't convert enhanced 'switch' to 'if' if a branch's body contains an end-of-line comment

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/convertSwitchToIf/afterCommentAfterReturnJava12Preview.java

@@ -0,0 +1,10 @@
+// "Replace 'switch' with 'if'" "true"
+class Test {
+  void f(int n, int k) {
+      if (n == 0) {
+          if (k == 0) return; //this comment causes the exception IDEA-204717
+          if (k == 1) {
+          }
+      }
+  }
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/convertSwitchToIf/beforeCommentAfterReturnJava12Preview.java

@@ -0,0 +1,12 @@
+// "Replace 'switch' with 'if'" "true"
+class Test {
+  void f(int n, int k) {
+    sw<caret>itch (n) {
+      case 0 -> {
+        if (k == 0) return; //this comment causes the exception IDEA-204717
+        if (k == 1) {
+        }
+      }
+    }
+  }
+}