Commits on Nov 13, 2024

1. op_scope/newCONDOP: Optimise away empty else blocks in OP_COND_EXPR …

   This commit comprises two main changes:
   * Not wrapping a bare OP_STUB in an enter/leave pair (Perl_op_scope)
   * Checking for a bare OP_STUB in the `falseop` argument when building
     an OP_COND_EXPR and then freeing it, rather than adding it as a
     sibling to the `first` and `trueop` branches.
   
   The main benefits of this are:
   * lower memory usage due to unnecessary OP removal
   * faster execution due to unnecessary OPs not being executed
   
   There are also some small changes to Deparse.pm and an additional
   Deparse.t test.

   

   richardleach committed Nov 13, 2024
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