bpo-45773: Remove invalid peephole optimizations (GH-31066)

(cherry picked from commit e0433c1) Co-authored-by: Brandt Bucher <brandt@python.org>

Author: miss-islington

Misc/NEWS.d/next/Core and Builtins/2022-02-01-14-30-56.bpo-45773.Up77LD.rst

@@ -0,0 +1 @@
+Remove two invalid "peephole" optimizations from the bytecode compiler.

Python/compile.c

@@ -7449,15 +7449,13 @@ optimize_basic_block(struct compiler *c, basicblock *bb, PyObject *consts)
  switch (target->i_opcode) {
  case JUMP_ABSOLUTE:
  case JUMP_FORWARD:
- case JUMP_IF_FALSE_OR_POP:
  i -= jump_thread(inst, target, POP_JUMP_IF_FALSE);
  }
  break;
  case POP_JUMP_IF_TRUE:
  switch (target->i_opcode) {
  case JUMP_ABSOLUTE:
  case JUMP_FORWARD:
- case JUMP_IF_TRUE_OR_POP:
  i -= jump_thread(inst, target, POP_JUMP_IF_TRUE);
  }
  break;