Why is the following snippet producing a 'syntax error'?

perl -Mstrict -wle"my %x = map{ 'A' => $_ } 1 .. 10"
syntax error at -e line 1, near "} 1"
Execution of -e aborted due to compilation errors.
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Note: I know it may not be logical to assign one key, 10 different values one after the other, but a syntax error?

Note also that both of these are legal:

perl -Mstrict -wle"my %x = map{ $_ => $_ } 1 .. 10"

perl -Mstrict -wle"my %x = map{ 'A' . $_ => $_ } 1 .. 10"
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But this also isn't "legal syntax" (regardless of whether you use qq// or ""), even though it is logical.

P:\test>perl -Mstrict -wle"my %x = map{ qq[A_$_] => $_ } 1 .. 10"
syntax error at -e line 1, near "} 1"
Execution of -e aborted due to compilation errors.
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So this isn't just a case of over-zealous code policing?

It woudn't be quite so bad if it didn't point you at the wrong part of the statement as the source of the error.

Perl 5.8.4 (AS810).