bpo-47172: Compiler enhancements (GH-32200)

* Make virtual opcodes negative. 

* Make is_jump detect only actual jumps.

* Use is_block_push for the exception block setup opcodes.

Irit Katriel committed 4y ago

997ba5d126f5040d5b7536f73bc89049e9f9421d

Parent: 04e07c2

Committed by GitHub <noreply@github.com> on 4/1/2022, 2:50:15 PM