Block-level rescue + semantic block style => syntax error

[grncdr]

When using the semantic style with Style/BlockDelimiters rubocop will create a syntax error in functional blocks containing a rescue clause.

Expected behavior

Rubocop should never replace do / end delimiters on blocks if they contain a block-level rescue clause.

Actual behavior

Here is a repo showing the issue: https://github.com/grncdr/rubocop-semantic-block-issue

But to summarize, with semantic block style Rubocop turns this:

# frozen_string_literal: true
foo = [].map do |x|
  x.something_dangerous!
rescue StandardError => e
  puts 'oh no'
end

into this:

# frozen_string_literal: true

foo = [].map { |x|
  x.something_dangerous!
rescue StandardError => e
  puts 'oh no'
}

Steps to reproduce the problem

git clone https://github.com/grncdr/rubocop-semantic-block-issue
cd rubocop-semantic-block-issue
bundle
bundle exec rubocop --safe-auto-correct

RuboCop version

bundle exec rubocop -V
0.81.0 (using Parser 2.7.0.5, running on ruby 2.6.3 x86_64-darwin19)

[stale]

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