Ruby

merge revision(s) 9f91f3617bab2ee220d298ddb874ef73b10dac23: [Backport #21383]

    Fix memory leak with invalid yield in prism

    [Bug #21383]

    The following script leaks memory:

        10.times do
          20_000.times do
            eval("class C; yield; end")
          rescue SyntaxError
          end

          puts `ps -o rss= -p #{$$}`
        end

    Before:

        16464
        25536
        29424
        35904
        39552
        44576
        46736
        51600
        56096
        59824

    After:

        13488
        16160
        18240
        20528
        19760
        21808
        21680
        22272
        22064
        22336