[perl #98790] [BUG] Expressions involving two sequence operators time out or give a spurious error in Rakudo

[Carl Mäsak]

# New Ticket Created by  "Carl Mäsak" 
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<masak> niecza: .say for (1 ... 10) Z (10 ... 1)
<p6eval> niecza v9-11-g0f286c3:
OUTPUT«1␤10␤2␤9␤3␤8␤4␤7␤5␤6␤6␤5␤7␤4␤8␤3␤9␤2␤10␤1␤»
<masak> rakudo: .say for (1 ... 10) Z (10 ... 1)
<p6eval> rakudo f9d94f: OUTPUT«(timeout)»
* masak submits rakudobug
<masak> niecza: .say for (1 ... 10), (10 ... 1)
<p6eval> niecza v9-11-g0f286c3:
OUTPUT«1␤2␤3␤4␤5␤6␤7␤8␤9␤10␤10␤9␤8␤7␤6␤5␤4␤3␤2␤1␤»
<masak> rakudo: .say for (1 ... 10), (10 ... 1)
<p6eval> rakudo f9d94f: OUTPUT«Not enough positional parameters
passed; got 0 but expected 1 [...]

Niecza is right in both cases. Rakudo times out or gives an incorrect
error; both of these behaviors are wrong.