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Add an interface-with-self generic to each interface and same for constraints (#6667)

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Currently each interface has a `Self` facet internally that becomes a
binding to every entity inside the interface: associated constants,
functions, and require decls. Each of these has to be independently
generic as a result. This makes is challenging in extended name lookup
to move into an extended scope of an interface, as we have a specific
for the interface, but the names within require a different specific
that includes a `Self` facet value.

We generalize this relationship by adding a second generic to Interface,
called `generic_with_self`. When we want to work with entities inside
the interface, we move from the interface-without-specific to the
interface-with-self specific by adding a Self to the specific. This is
done independently of any particular entity inside the Interface, as
those entities are now all members of the interface-with-self generic.

Associated constants no longer need a generic of their own, as they do
not have separate generic bindings. Functions retain a generic, but if
the function has no generic arguments, it will have no bindings of its
own now.

Require decls retain a generic so that their specific can be
instantiated separately from the interface. Requiring the interface to
be complete does not require the types in a require decl to be complete
unless it is modified by `extend`. So we allow them to be completed
later by keeping them in a separate generic.

Named constraints look like interfaces and gain the additional inner
generic-with-self, with the same relationship to require decls.

This removes the need for name lookup to perform Substitution of a Self
facet into the extended scope instruction. Instead, the
`SpecificConstant` instruction inserted by a `require` decl is part of
the interface-with-self generic. When looking through a FacetType for
extended scopes, for each interface, we push the scope with the specific
for the interface-with-self. Then the constant value of the
`SpecificConstant` is correctly modified by the provided self
automatically through applying that specific.
This commit is contained in:
Dana Jansens
2026-02-19 16:24:07 +00:00
committed by GitHub
parent e5b094fdad
commit 917a6ea971
419 changed files with 18175 additions and 11940 deletions
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toolchain/check/testdata/interop/cpp/impls/implicit_as.carbon
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+14 -14
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@@ -1043,7 +1043,6 @@ fn InitFromStruct() {
// CHECK:STDOUT: %Two__carbon_thunk.type: type = fn_type @Two__carbon_thunk [concrete]
// CHECK:STDOUT: %Two__carbon_thunk: %Two__carbon_thunk.type = struct_value () [concrete]
// CHECK:STDOUT: %ImplicitAs.type.e8c: type = facet_type <@ImplicitAs, @ImplicitAs(%i32)> [concrete]
// CHECK:STDOUT: %ImplicitAs.Convert.type.1b6: type = fn_type @ImplicitAs.Convert, @ImplicitAs(%i32) [concrete]
// CHECK:STDOUT: %To: Core.IntLiteral = symbolic_binding To, 0 [symbolic]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.4e6: type = fn_type @Core.IntLiteral.as.ImplicitAs.impl.Convert, @Core.IntLiteral.as.ImplicitAs.impl(%To) [symbolic]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.3c2: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.4e6 = struct_value () [symbolic]
@@ -1051,7 +1050,8 @@ fn InitFromStruct() {
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.e0d: type = fn_type @Core.IntLiteral.as.ImplicitAs.impl.Convert, @Core.IntLiteral.as.ImplicitAs.impl(%int_32) [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.0b5: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.e0d = struct_value () [concrete]
// CHECK:STDOUT: %ImplicitAs.facet: %ImplicitAs.type.e8c = facet_value Core.IntLiteral, (%ImplicitAs.impl_witness.6bc) [concrete]
// CHECK:STDOUT: %.863: type = fn_type_with_self_type %ImplicitAs.Convert.type.1b6, %ImplicitAs.facet [concrete]
// CHECK:STDOUT: %ImplicitAs.WithSelf.Convert.type.b37: type = fn_type @ImplicitAs.WithSelf.Convert, @ImplicitAs(%i32, %ImplicitAs.facet) [concrete]
// CHECK:STDOUT: %.545: type = fn_type_with_self_type %ImplicitAs.WithSelf.Convert.type.b37, %ImplicitAs.facet [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.215: <bound method> = bound_method %int_1.5b8, %Core.IntLiteral.as.ImplicitAs.impl.Convert.0b5 [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn: <specific function> = specific_function %Core.IntLiteral.as.ImplicitAs.impl.Convert.0b5, @Core.IntLiteral.as.ImplicitAs.impl.Convert(%int_32) [concrete]
// CHECK:STDOUT: %bound_method.38b: <bound method> = bound_method %int_1.5b8, %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn [concrete]
@@ -1118,14 +1118,14 @@ fn InitFromStruct() {
// CHECK:STDOUT: %Two.ref: type = name_ref Two, imports.%Two.decl [concrete = constants.%Two]
// CHECK:STDOUT: }
// CHECK:STDOUT: %.loc8_25.2: ref %Two = temporary_storage
// CHECK:STDOUT: %impl.elem0.loc8_21: %.863 = impl_witness_access constants.%ImplicitAs.impl_witness.6bc, element0 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.0b5]
// CHECK:STDOUT: %impl.elem0.loc8_21: %.545 = impl_witness_access constants.%ImplicitAs.impl_witness.6bc, element0 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.0b5]
// CHECK:STDOUT: %bound_method.loc8_21.1: <bound method> = bound_method %int_1.loc8, %impl.elem0.loc8_21 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.215]
// CHECK:STDOUT: %specific_fn.loc8_21: <specific function> = specific_function %impl.elem0.loc8_21, @Core.IntLiteral.as.ImplicitAs.impl.Convert(constants.%int_32) [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn]
// CHECK:STDOUT: %bound_method.loc8_21.2: <bound method> = bound_method %int_1.loc8, %specific_fn.loc8_21 [concrete = constants.%bound_method.38b]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.call.loc8_21: init %i32 = call %bound_method.loc8_21.2(%int_1.loc8) [concrete = constants.%int_1.5d2]
// CHECK:STDOUT: %.loc8_21.1: %i32 = value_of_initializer %Core.IntLiteral.as.ImplicitAs.impl.Convert.call.loc8_21 [concrete = constants.%int_1.5d2]
// CHECK:STDOUT: %.loc8_21.2: %i32 = converted %int_1.loc8, %.loc8_21.1 [concrete = constants.%int_1.5d2]
// CHECK:STDOUT: %impl.elem0.loc8_24: %.863 = impl_witness_access constants.%ImplicitAs.impl_witness.6bc, element0 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.0b5]
// CHECK:STDOUT: %impl.elem0.loc8_24: %.545 = impl_witness_access constants.%ImplicitAs.impl_witness.6bc, element0 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.0b5]
// CHECK:STDOUT: %bound_method.loc8_24.1: <bound method> = bound_method %int_2.loc8, %impl.elem0.loc8_24 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.4e5]
// CHECK:STDOUT: %specific_fn.loc8_24: <specific function> = specific_function %impl.elem0.loc8_24, @Core.IntLiteral.as.ImplicitAs.impl.Convert(constants.%int_32) [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn]
// CHECK:STDOUT: %bound_method.loc8_24.2: <bound method> = bound_method %int_2.loc8, %specific_fn.loc8_24 [concrete = constants.%bound_method.646]
@@ -1150,14 +1150,14 @@ fn InitFromStruct() {
// CHECK:STDOUT: %ThreeWithDefault.ref.loc10: type = name_ref ThreeWithDefault, imports.%ThreeWithDefault.decl [concrete = constants.%ThreeWithDefault]
// CHECK:STDOUT: }
// CHECK:STDOUT: %.loc10_38.2: ref %ThreeWithDefault = temporary_storage
// CHECK:STDOUT: %impl.elem0.loc10_34: %.863 = impl_witness_access constants.%ImplicitAs.impl_witness.6bc, element0 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.0b5]
// CHECK:STDOUT: %impl.elem0.loc10_34: %.545 = impl_witness_access constants.%ImplicitAs.impl_witness.6bc, element0 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.0b5]
// CHECK:STDOUT: %bound_method.loc10_34.1: <bound method> = bound_method %int_1.loc10, %impl.elem0.loc10_34 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.215]
// CHECK:STDOUT: %specific_fn.loc10_34: <specific function> = specific_function %impl.elem0.loc10_34, @Core.IntLiteral.as.ImplicitAs.impl.Convert(constants.%int_32) [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn]
// CHECK:STDOUT: %bound_method.loc10_34.2: <bound method> = bound_method %int_1.loc10, %specific_fn.loc10_34 [concrete = constants.%bound_method.38b]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.call.loc10_34: init %i32 = call %bound_method.loc10_34.2(%int_1.loc10) [concrete = constants.%int_1.5d2]
// CHECK:STDOUT: %.loc10_34.1: %i32 = value_of_initializer %Core.IntLiteral.as.ImplicitAs.impl.Convert.call.loc10_34 [concrete = constants.%int_1.5d2]
// CHECK:STDOUT: %.loc10_34.2: %i32 = converted %int_1.loc10, %.loc10_34.1 [concrete = constants.%int_1.5d2]
// CHECK:STDOUT: %impl.elem0.loc10_37: %.863 = impl_witness_access constants.%ImplicitAs.impl_witness.6bc, element0 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.0b5]
// CHECK:STDOUT: %impl.elem0.loc10_37: %.545 = impl_witness_access constants.%ImplicitAs.impl_witness.6bc, element0 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.0b5]
// CHECK:STDOUT: %bound_method.loc10_37.1: <bound method> = bound_method %int_2.loc10, %impl.elem0.loc10_37 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.4e5]
// CHECK:STDOUT: %specific_fn.loc10_37: <specific function> = specific_function %impl.elem0.loc10_37, @Core.IntLiteral.as.ImplicitAs.impl.Convert(constants.%int_32) [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn]
// CHECK:STDOUT: %bound_method.loc10_37.2: <bound method> = bound_method %int_2.loc10, %specific_fn.loc10_37 [concrete = constants.%bound_method.646]
@@ -1183,21 +1183,21 @@ fn InitFromStruct() {
// CHECK:STDOUT: %ThreeWithDefault.ref.loc12: type = name_ref ThreeWithDefault, imports.%ThreeWithDefault.decl [concrete = constants.%ThreeWithDefault]
// CHECK:STDOUT: }
// CHECK:STDOUT: %.loc12_41.2: ref %ThreeWithDefault = temporary_storage
// CHECK:STDOUT: %impl.elem0.loc12_34: %.863 = impl_witness_access constants.%ImplicitAs.impl_witness.6bc, element0 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.0b5]
// CHECK:STDOUT: %impl.elem0.loc12_34: %.545 = impl_witness_access constants.%ImplicitAs.impl_witness.6bc, element0 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.0b5]
// CHECK:STDOUT: %bound_method.loc12_34.1: <bound method> = bound_method %int_1.loc12, %impl.elem0.loc12_34 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.215]
// CHECK:STDOUT: %specific_fn.loc12_34: <specific function> = specific_function %impl.elem0.loc12_34, @Core.IntLiteral.as.ImplicitAs.impl.Convert(constants.%int_32) [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn]
// CHECK:STDOUT: %bound_method.loc12_34.2: <bound method> = bound_method %int_1.loc12, %specific_fn.loc12_34 [concrete = constants.%bound_method.38b]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.call.loc12_34: init %i32 = call %bound_method.loc12_34.2(%int_1.loc12) [concrete = constants.%int_1.5d2]
// CHECK:STDOUT: %.loc12_34.1: %i32 = value_of_initializer %Core.IntLiteral.as.ImplicitAs.impl.Convert.call.loc12_34 [concrete = constants.%int_1.5d2]
// CHECK:STDOUT: %.loc12_34.2: %i32 = converted %int_1.loc12, %.loc12_34.1 [concrete = constants.%int_1.5d2]
// CHECK:STDOUT: %impl.elem0.loc12_37: %.863 = impl_witness_access constants.%ImplicitAs.impl_witness.6bc, element0 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.0b5]
// CHECK:STDOUT: %impl.elem0.loc12_37: %.545 = impl_witness_access constants.%ImplicitAs.impl_witness.6bc, element0 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.0b5]
// CHECK:STDOUT: %bound_method.loc12_37.1: <bound method> = bound_method %int_2.loc12, %impl.elem0.loc12_37 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.4e5]
// CHECK:STDOUT: %specific_fn.loc12_37: <specific function> = specific_function %impl.elem0.loc12_37, @Core.IntLiteral.as.ImplicitAs.impl.Convert(constants.%int_32) [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn]
// CHECK:STDOUT: %bound_method.loc12_37.2: <bound method> = bound_method %int_2.loc12, %specific_fn.loc12_37 [concrete = constants.%bound_method.646]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.call.loc12_37: init %i32 = call %bound_method.loc12_37.2(%int_2.loc12) [concrete = constants.%int_2.ef8]
// CHECK:STDOUT: %.loc12_37.1: %i32 = value_of_initializer %Core.IntLiteral.as.ImplicitAs.impl.Convert.call.loc12_37 [concrete = constants.%int_2.ef8]
// CHECK:STDOUT: %.loc12_37.2: %i32 = converted %int_2.loc12, %.loc12_37.1 [concrete = constants.%int_2.ef8]
// CHECK:STDOUT: %impl.elem0.loc12_40: %.863 = impl_witness_access constants.%ImplicitAs.impl_witness.6bc, element0 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.0b5]
// CHECK:STDOUT: %impl.elem0.loc12_40: %.545 = impl_witness_access constants.%ImplicitAs.impl_witness.6bc, element0 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.0b5]
// CHECK:STDOUT: %bound_method.loc12_40.1: <bound method> = bound_method %int_3, %impl.elem0.loc12_40 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.061]
// CHECK:STDOUT: %specific_fn.loc12_40: <specific function> = specific_function %impl.elem0.loc12_40, @Core.IntLiteral.as.ImplicitAs.impl.Convert(constants.%int_32) [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn]
// CHECK:STDOUT: %bound_method.loc12_40.2: <bound method> = bound_method %int_3, %specific_fn.loc12_40 [concrete = constants.%bound_method.fa7]
@@ -1360,7 +1360,6 @@ fn InitFromStruct() {
// CHECK:STDOUT: %NonAggregate__carbon_thunk.type.8d64dd.2: type = fn_type @NonAggregate__carbon_thunk.2 [concrete]
// CHECK:STDOUT: %NonAggregate__carbon_thunk.0020a5.2: %NonAggregate__carbon_thunk.type.8d64dd.2 = struct_value () [concrete]
// CHECK:STDOUT: %ImplicitAs.type.e8c: type = facet_type <@ImplicitAs, @ImplicitAs(%i32)> [concrete]
// CHECK:STDOUT: %ImplicitAs.Convert.type.1b6: type = fn_type @ImplicitAs.Convert, @ImplicitAs(%i32) [concrete]
// CHECK:STDOUT: %To: Core.IntLiteral = symbolic_binding To, 0 [symbolic]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.4e6: type = fn_type @Core.IntLiteral.as.ImplicitAs.impl.Convert, @Core.IntLiteral.as.ImplicitAs.impl(%To) [symbolic]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.3c2: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.4e6 = struct_value () [symbolic]
@@ -1368,7 +1367,8 @@ fn InitFromStruct() {
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.e0d: type = fn_type @Core.IntLiteral.as.ImplicitAs.impl.Convert, @Core.IntLiteral.as.ImplicitAs.impl(%int_32) [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.0b5: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.e0d = struct_value () [concrete]
// CHECK:STDOUT: %ImplicitAs.facet: %ImplicitAs.type.e8c = facet_value Core.IntLiteral, (%ImplicitAs.impl_witness.6bc) [concrete]
// CHECK:STDOUT: %.863: type = fn_type_with_self_type %ImplicitAs.Convert.type.1b6, %ImplicitAs.facet [concrete]
// CHECK:STDOUT: %ImplicitAs.WithSelf.Convert.type.b37: type = fn_type @ImplicitAs.WithSelf.Convert, @ImplicitAs(%i32, %ImplicitAs.facet) [concrete]
// CHECK:STDOUT: %.545: type = fn_type_with_self_type %ImplicitAs.WithSelf.Convert.type.b37, %ImplicitAs.facet [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.215: <bound method> = bound_method %int_1.5b8, %Core.IntLiteral.as.ImplicitAs.impl.Convert.0b5 [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn: <specific function> = specific_function %Core.IntLiteral.as.ImplicitAs.impl.Convert.0b5, @Core.IntLiteral.as.ImplicitAs.impl.Convert(%int_32) [concrete]
// CHECK:STDOUT: %bound_method.38b: <bound method> = bound_method %int_1.5b8, %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn [concrete]
@@ -1438,7 +1438,7 @@ fn InitFromStruct() {
// CHECK:STDOUT: %NonAggregate.ref.loc9: type = name_ref NonAggregate, imports.%NonAggregate.decl [concrete = constants.%NonAggregate]
// CHECK:STDOUT: }
// CHECK:STDOUT: %.loc9_32.2: ref %NonAggregate = temporary_storage
// CHECK:STDOUT: %impl.elem0.loc9: %.863 = impl_witness_access constants.%ImplicitAs.impl_witness.6bc, element0 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.0b5]
// CHECK:STDOUT: %impl.elem0.loc9: %.545 = impl_witness_access constants.%ImplicitAs.impl_witness.6bc, element0 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.0b5]
// CHECK:STDOUT: %bound_method.loc9_30.1: <bound method> = bound_method %int_1.loc9, %impl.elem0.loc9 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.215]
// CHECK:STDOUT: %specific_fn.loc9: <specific function> = specific_function %impl.elem0.loc9, @Core.IntLiteral.as.ImplicitAs.impl.Convert(constants.%int_32) [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn]
// CHECK:STDOUT: %bound_method.loc9_30.2: <bound method> = bound_method %int_1.loc9, %specific_fn.loc9 [concrete = constants.%bound_method.38b]
@@ -1463,14 +1463,14 @@ fn InitFromStruct() {
// CHECK:STDOUT: %NonAggregate.ref.loc10: type = name_ref NonAggregate, imports.%NonAggregate.decl [concrete = constants.%NonAggregate]
// CHECK:STDOUT: }
// CHECK:STDOUT: %.loc10_34.2: ref %NonAggregate = temporary_storage
// CHECK:STDOUT: %impl.elem0.loc10_30: %.863 = impl_witness_access constants.%ImplicitAs.impl_witness.6bc, element0 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.0b5]
// CHECK:STDOUT: %impl.elem0.loc10_30: %.545 = impl_witness_access constants.%ImplicitAs.impl_witness.6bc, element0 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.0b5]
// CHECK:STDOUT: %bound_method.loc10_30.1: <bound method> = bound_method %int_1.loc10, %impl.elem0.loc10_30 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.215]
// CHECK:STDOUT: %specific_fn.loc10_30: <specific function> = specific_function %impl.elem0.loc10_30, @Core.IntLiteral.as.ImplicitAs.impl.Convert(constants.%int_32) [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn]
// CHECK:STDOUT: %bound_method.loc10_30.2: <bound method> = bound_method %int_1.loc10, %specific_fn.loc10_30 [concrete = constants.%bound_method.38b]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.call.loc10_30: init %i32 = call %bound_method.loc10_30.2(%int_1.loc10) [concrete = constants.%int_1.5d2]
// CHECK:STDOUT: %.loc10_30.1: %i32 = value_of_initializer %Core.IntLiteral.as.ImplicitAs.impl.Convert.call.loc10_30 [concrete = constants.%int_1.5d2]
// CHECK:STDOUT: %.loc10_30.2: %i32 = converted %int_1.loc10, %.loc10_30.1 [concrete = constants.%int_1.5d2]
// CHECK:STDOUT: %impl.elem0.loc10_33: %.863 = impl_witness_access constants.%ImplicitAs.impl_witness.6bc, element0 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.0b5]
// CHECK:STDOUT: %impl.elem0.loc10_33: %.545 = impl_witness_access constants.%ImplicitAs.impl_witness.6bc, element0 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.0b5]
// CHECK:STDOUT: %bound_method.loc10_33.1: <bound method> = bound_method %int_2, %impl.elem0.loc10_33 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.4e5]
// CHECK:STDOUT: %specific_fn.loc10_33: <specific function> = specific_function %impl.elem0.loc10_33, @Core.IntLiteral.as.ImplicitAs.impl.Convert(constants.%int_32) [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn]
// CHECK:STDOUT: %bound_method.loc10_33.2: <bound method> = bound_method %int_2, %specific_fn.loc10_33 [concrete = constants.%bound_method.646]