Different bytecode between JDK8u45 and JDK8u60-ea-b12

FULL PRODUCT VERSION :
java version "1.8.0_45"
Java(TM) SE Runtime Environment (build 1.8.0_45-b14)
Java HotSpot(TM) 64-Bit Server VM (build 25.45-b02, mixed mode)

java version "1.8.0_60-ea"
Java(TM) SE Runtime Environment (build 1.8.0_60-ea-b12)
Java HotSpot(TM) 64-Bit Server VM (build 25.60-b12, mixed mode)

Same happens between JDK 7u75 and JDK 7u80:

java version "1.7.0_75"
Java(TM) SE Runtime Environment (build 1.7.0_75-b13)
Java HotSpot(TM) 64-Bit Server VM (build 24.75-b04, mixed mode)

java version "1.7.0_80"
Java(TM) SE Runtime Environment (build 1.7.0_80-b15)
Java HotSpot(TM) 64-Bit Server VM (build 24.80-b11, mixed mode)


A DESCRIPTION OF THE PROBLEM :
JDK8u45 (and JDK7u75) generate:
 
    8: aload_2
     9: ifnull 44
    12: iload_1
    13: lookupswitch { // 1
                   0: 32
             default: 39
        }
    32: aconst_null
    33: astore_3
    34: aconst_null
    35: astore_2
    36: goto 41
    39: aconst_null
    40: astore_2
    41: goto 8

while JDK8u60-ea-b12 (and JDK7u80):

     8: aload_2
     9: ifnull 44
    12: iload_1
    13: lookupswitch { // 1
                   0: 32
             default: 39
        }
    32: aconst_null
    33: astore_3
    34: aconst_null
    35: astore_2
    36: goto 8
    39: aconst_null
    40: astore_2
    41: goto 8

This is positive change for JaCoCo coverage engine, however might be an unexpected/overlooked side-effect of change in JDK:
I bisected jdk8u-dev forest and first commit, which changes behavior is http://hg.openjdk.java.net/jdk8u/jdk8u-dev/langtools/rev/dca7f60e618d , so associated ticket is https://bugs.openjdk.java.net/browse/JDK-8064857 , which is for my understanding has nothing to do with gotos, but only about LVT.
In case of jdk7 this seems to be related to https://bugs.openjdk.java.net/browse/JDK-8065674 and so http://hg.openjdk.java.net/jdk7u/jdk7u-dev/langtools/rev/979f55cda0e2

Original issue, which was reported against JaCoCo, and analysis can be found at https://github.com/jacoco/jacoco/issues/307


REPRODUCIBILITY :
This bug can be reproduced always.

---------- BEGIN SOURCE ----------
class Example {
  void fun(int p) {
    Object c = new Object();
    while (c != null) {
      switch (p) {
        case 0:
          Object s = null;
          c = null;
          break;
        default:
          c = null;
          break;
      }
    }
  }
}
---------- END SOURCE ----------