message: NFC. Don't re-lookup frame. It can't have changed, simply reorder operations.
diff: @@ -1609,14 +1609,13 @@ impl<'ctx, 'a> LLVMFunctionCodeGenerator<'ctx, 'a> {
  let current_block = self.builder.get_insert_block().ok_or_else(|| {
  CompileError::Codegen("not currently in a block".to_string())
  })?;
  + self.builder.build_unconditional_branch(*frame.code_after());
  for phi in frame.phis().to_vec().iter().rev() {
  let (value, info) = self.state.pop1_extra()?;
  let value = self.apply_pending_canonicalization(value, info);
  phi.add_incoming(&[(&value, current_block)])
  }
  - let frame = self.state.frame_at_depth(0)?;
  - self.builder.build_unconditional_branch(*frame.code_after());
  }
  let (if_else_block, if_else_state) = if let ControlFrame::IfElse {
  @@ -1701,15 +1700,13 @@ impl<'ctx, 'a> LLVMFunctionCodeGenerator<'ctx, 'a> {
  .ok_or_else(|| CompileError::Codegen("not currently in a block".to_string()))?;
  let frame = self.state.outermost_frame()?;
  + self.builder.build_unconditional_branch(*frame.br_dest());
  for phi in frame.phis().to_vec().iter().rev() {
  let (arg, info) = self.state.pop1_extra()?;
  let arg = self.apply_pending_canonicalization(arg, info);
  phi.add_incoming(&[(&arg, current_block)]);
  }
  - let frame = self.state.outermost_frame()?;
  - self.builder.build_unconditional_branch(*frame.br_dest());
  -
  self.state.reachable = false;
  }
  