Add support for a new [%atomic.loc r.field] construct #4229
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Add support for a new [%atomic.lock r.field] contstruct, which gets typed into a
new Texp_atomic_loc typedtree expression node, which in turn turns into a block
allocation containing the record `r`, and the field index of the field `field`
in that record, with type `'a atomic_loc`, where `'a'` is the type of that
field:
Γ ⊢ e₁ : τ₁ @ m,
τ₁ = { ... f : τ₂ ... }
——————————————————————————————————————————– ATOMIC_LOC
Γ ⊢ [%atomic.loc e₁.f] : τ₂ atomic_loc @ m
…atomic-loc-builtin
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Add support for a new [%atomic.lock r.field] contstruct, which gets typed into a
new Texp_atomic_loc typedtree expression node, which in turn turns into a block
allocation containing the record
r, and the field index of the fieldfieldin that record, with type
'a atomic_loc, where'a'is the type of thatfield: