Compiler crashes if an anonymous record passed as obj argument #6434

Try to compile this:

module AnonRecordBug.T

let foo (_: obj) = ()

let bar() = foo {| F = 1 |}

Result (compiler crashes):

parameter error FS0192: error : the anonymous record <>f__AnonymousType332488747`1' has not been generated in the pre-phase of generating this module

@dsyme