Proposed resolution (August, 2010):

1. Change the grammar in 7.5.6 [expr.prim.lambda] paragraph 1 as follows:

lambda-declarator:

( parameter-declaration-clause ) attribute-specifier_opt mutable_opt

exception-specification_opt attribute-specifier_opt trailing-return-type_opt

2. Change 7.5.6 [expr.prim.lambda] paragraph 5 as follows:

...Any attribute-specifiers appearing immediately after the lambda-expression's parameter-declaration-clause appertain An attribute-specifier in a lambda-declarator appertains to the type of the corresponding function call operator...