RFE: throw an error on a single "="when used in an "if"

[ToddAndMargo]

Dear Perl 6 Developers,

Request for Enhancement:

Would you consider throwing a compiler error on the following:

perl6 -e 'my $x=2;my $y=3; if $x = $y {say "yes";} else {say "no";}'
yes


It should have two == signs if it is followed by a {do something}

This is the correct way:

$ perl6 -e 'my $x=2;my $y=3; if $x == $y {say "yes";} else {say "no";}'

Many thanks,
-T

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