From @masak

<FROGGS> lizmat++
<masak> lizmat++
<cognominal> ++lizmat++
<masak> m​: my $lizmat = 42; ++$lizmat++
<camelia> rakudo-moar 550b8c​: OUTPUT«Cannot assign to an immutable value [...]
<masak> I *think* that should actually be a parse error.
<masak> std​: my $lizmat = 42; ++$lizmat++
19​:08 <+camelia> std 28329a7​: OUTPUT«===SORRY!===␤"++" and "++" are
not associative [...] FAILED 0…»
<masak> yeah. like that.
* masak submits rakudobug
<masak> pro tip​: you can make rakudobugs out of *anything*! :P
* lizmat feels honoured :-)

From @jnthn

On Sun May 17 12​:11​:16 2015, masak wrote​:

<FROGGS> lizmat++
<masak> lizmat++
<cognominal> ++lizmat++
<masak> m​: my $lizmat = 42; ++$lizmat++
<camelia> rakudo-moar 550b8c​: OUTPUT«Cannot assign to an immutable
value [...]
<masak> I *think* that should actually be a parse error.
<masak> std​: my $lizmat = 42; ++$lizmat++
19​:08 <+camelia> std 28329a7​: OUTPUT«===SORRY!===␤"++" and "++" are
not associative [...] FAILED 0…»
<masak> yeah. like that.
* masak submits rakudobug
<masak> pro tip​: you can make rakudobugs out of *anything*! :P
* lizmat feels honoured :-)

Fixed, and test added to S03-operators/precedence.t.

The RT System itself - Status changed from 'new' to 'open'

@jnthn - Status changed from 'open' to 'resolved'