closure_flags[] contains wrong _BTM data (whether the layout is bitmap or pointer first)

After reading through source:rts/sm/Scav.c I find that among the objects on the heap, only closures of type PAP and AP have a bitmap to describe the pointer/data-layout of their payload, all others use the pointers-first-convention.

This is in contrast to what source:rts/ClosureFlags.c claims in closure_flags[] , which says that all THUNK_-types have this bit set.

It seems that the bitmap data in closure_flags[] is not used anywhere, so this is but a source of confusion.

Trac metadata

Trac field	Value
Version	7.4.1
Type	Bug
TypeOfFailure	OtherFailure
Priority	normal
Resolution	Unresolved
Component	Compiler
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