1 .class public LB22411633_2; 2 .super Ljava/lang/Object; 3 4 5 .method public static run(Z)V 6 .registers 6 7 # Make v3 & v4 defined, just use null. 8 const v3, 0 9 const v4, 0 10 11 # Allocate a java.lang.Object (do not initialize). 12 new-instance v4, Ljava/lang/Object; 13 14 # Branch forward. 15 if-eqz v5, :LabelMerge 16 17 # Create a non-precise object reference. We can do this by merging to objects together 18 # that only have Object as a common ancestor. 19 20 # Allocate a java.lang.Object and initialize it. 21 new-instance v4, Ljava/lang/Object; 22 invoke-direct {v4}, Ljava/lang/Object;-><init>()V 23 24 if-nez v5, :LabelMergeObject 25 26 new-instance v4, Ljava/lang/Integer; 27 invoke-direct {v4}, Ljava/lang/Integer;-><init>()V 28 29 :LabelMergeObject 30 31 # Dummy work to separate blocks. At this point, v4 is of type Reference<Object>. 32 add-int/lit16 v3, v3, 1 33 34 :LabelMerge 35 # Merge the uninitialized Object from line 12 with the reference to Object from 31. Older 36 # rules set any reference merged with Object to Object. This is wrong in the case of the 37 # other reference being an uninitialized reference, as we'd suddenly allow calling on it. 38 39 # Test whether it's some initialized reference by calling hashCode. This should fail, as we 40 # merged initialized and uninitialized. 41 invoke-virtual {v4}, Ljava/lang/Object;->hashCode()I 42 43 return-void 44 45 .end method 46
