src/java.base/share/classes/jdk/internal/org/objectweb/asm/tree/InsnList.java

rev 47452 : imported patch jdk-new-asmv6.patch

*** 632,647 ****
              }
              return prev.index;
          }
  
          public void add(Object o) {
              InsnList.this.insertBefore(next, (AbstractInsnNode) o);
              prev = (AbstractInsnNode) o;
              remove = null;
          }
  
          public void set(Object o) {
!             InsnList.this.set(next.prev, (AbstractInsnNode) o);
              prev = (AbstractInsnNode) o;
          }
      }
  }
--- 632,661 ----
              }
              return prev.index;
          }
  
          public void add(Object o) {
+             if (next != null) {
                  InsnList.this.insertBefore(next, (AbstractInsnNode) o);
+             } else if (prev != null) {
+                 InsnList.this.insert(prev, (AbstractInsnNode) o);
+             } else {
+                 InsnList.this.add((AbstractInsnNode) o);
+             }
              prev = (AbstractInsnNode) o;
              remove = null;
          }
  
          public void set(Object o) {
!             if (remove != null) {
!                 InsnList.this.set(remove, (AbstractInsnNode) o);
!                 if (remove == prev) {
                      prev = (AbstractInsnNode) o;
+                 } else {
+                     next = (AbstractInsnNode) o;
                  }
+             } else {
+                 throw new IllegalStateException();
              }
+         }
+     }
  }