IDEA-138578 Debugger spuriously jumps to decompiled method signature

testData/src/pkg/TestClassLoop.java

@@ -58,4 +58,37 @@ public class TestClassLoop {
       System.out.println("4");
     }
   }
+
+  public static int testWhileCombined(String in) {
+    int len = in.length();
+    int i = 0;
+    boolean decSeen = false;
+    boolean signSeen = false;
+    int decPt = 0;
+    char c;
+    int nLeadZero = 0;
+    int nTrailZero= 0;
+
+    skipLeadingZerosLoop:
+    while (i < len) {
+      c = in.charAt(i);
+      if (c == '0') {
+        nLeadZero++;
+      } else if (c == '.') {
+        if (decSeen) {
+          // already saw one ., this is the 2nd.
+          throw new NumberFormatException("multiple points");
+        }
+        decPt = i;
+        if (signSeen) {
+          decPt -= 1;
+        }
+        decSeen = true;
+      } else {
+        break skipLeadingZerosLoop;
+      }
+      i++;
+    }
+    return decPt;
+  }
 }