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Generate non-final Destroy witnesses for symbolics (#6731)

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This is related to #6727, but is generally a necessary fix even without
that issue. I'm not adding a specific test of #6727 because it should
also be covered by the tests in #6726.

Assisted-by: Google Antigravity with Gemini 3 Flash
This commit is contained in:
Jon Ross-Perkins
2026-02-13 17:46:50 +00:00
committed by GitHub
parent 2184663511
commit 74969cab04
29 changed files with 1064 additions and 912 deletions
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toolchain/check/testdata/interop/cpp/function/decayed_param.carbon
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+65 -67
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@@ -106,54 +106,52 @@ fn F() {
// CHECK:STDOUT: %OptionalStorage.type: type = facet_type <@OptionalStorage> [concrete]
// CHECK:STDOUT: %T.542: %OptionalStorage.type = symbolic_binding T, 0 [symbolic]
// CHECK:STDOUT: %Destroy.type: type = facet_type <@Destroy> [concrete]
// CHECK:STDOUT: %DestroyOp.type.3e79c2.2: type = fn_type @DestroyOp.2 [concrete]
// CHECK:STDOUT: %DestroyOp.b0ebf8.2: %DestroyOp.type.3e79c2.2 = struct_value () [concrete]
// CHECK:STDOUT: %ptr.e8f: type = ptr_type %T.67d [symbolic]
// CHECK:STDOUT: %custom_witness.8095d9.2: <witness> = custom_witness (%DestroyOp.b0ebf8.2), @Destroy [concrete]
// CHECK:STDOUT: %Destroy.facet.06f: %Destroy.type = facet_value %ptr.e8f, (%custom_witness.8095d9.2) [symbolic]
// CHECK:STDOUT: %MaybeUnformed.40e: type = class_type @MaybeUnformed, @MaybeUnformed(%Destroy.facet.06f) [symbolic]
// CHECK:STDOUT: %ptr.as.OptionalStorage.impl.Some.type.e4b: type = fn_type @ptr.as.OptionalStorage.impl.Some, @ptr.as.OptionalStorage.impl(%T.67d) [symbolic]
// CHECK:STDOUT: %ptr.as.OptionalStorage.impl.Some.d91: %ptr.as.OptionalStorage.impl.Some.type.e4b = struct_value () [symbolic]
// CHECK:STDOUT: %ptr.as.OptionalStorage.impl.None.type.f78: type = fn_type @ptr.as.OptionalStorage.impl.None, @ptr.as.OptionalStorage.impl(%T.67d) [symbolic]
// CHECK:STDOUT: %ptr.as.OptionalStorage.impl.None.d08: %ptr.as.OptionalStorage.impl.None.type.f78 = struct_value () [symbolic]
// CHECK:STDOUT: %OptionalStorage.impl_witness.efb: <witness> = impl_witness imports.%OptionalStorage.impl_witness_table.70a, @ptr.as.OptionalStorage.impl(%i32) [concrete]
// CHECK:STDOUT: %OptionalStorage.facet.e81: %OptionalStorage.type = facet_value %ptr.235, (%OptionalStorage.impl_witness.efb) [concrete]
// CHECK:STDOUT: %Optional.f08: type = class_type @Optional, @Optional(%OptionalStorage.facet.e81) [concrete]
// CHECK:STDOUT: %Destroy.lookup_impl_witness.e1f: <witness> = lookup_impl_witness %ptr.e8f, @Destroy [symbolic]
// CHECK:STDOUT: %Destroy.facet.617: %Destroy.type = facet_value %ptr.e8f, (%Destroy.lookup_impl_witness.e1f) [symbolic]
// CHECK:STDOUT: %MaybeUnformed.2e9: type = class_type @MaybeUnformed, @MaybeUnformed(%Destroy.facet.617) [symbolic]
// CHECK:STDOUT: %ptr.as.OptionalStorage.impl.Some.type.c7a: type = fn_type @ptr.as.OptionalStorage.impl.Some, @ptr.as.OptionalStorage.impl(%T.67d) [symbolic]
// CHECK:STDOUT: %ptr.as.OptionalStorage.impl.Some.38a: %ptr.as.OptionalStorage.impl.Some.type.c7a = struct_value () [symbolic]
// CHECK:STDOUT: %ptr.as.OptionalStorage.impl.None.type.03c: type = fn_type @ptr.as.OptionalStorage.impl.None, @ptr.as.OptionalStorage.impl(%T.67d) [symbolic]
// CHECK:STDOUT: %ptr.as.OptionalStorage.impl.None.f37: %ptr.as.OptionalStorage.impl.None.type.03c = struct_value () [symbolic]
// CHECK:STDOUT: %OptionalStorage.impl_witness.e42: <witness> = impl_witness imports.%OptionalStorage.impl_witness_table.851, @ptr.as.OptionalStorage.impl(%i32) [concrete]
// CHECK:STDOUT: %OptionalStorage.facet.6bd: %OptionalStorage.type = facet_value %ptr.235, (%OptionalStorage.impl_witness.e42) [concrete]
// CHECK:STDOUT: %Optional.75d: type = class_type @Optional, @Optional(%OptionalStorage.facet.6bd) [concrete]
// CHECK:STDOUT: %TakesArray.type: type = fn_type @TakesArray [concrete]
// CHECK:STDOUT: %TakesArray: %TakesArray.type = struct_value () [concrete]
// CHECK:STDOUT: %ImplicitAs.type.9cf: type = facet_type <@ImplicitAs, @ImplicitAs(%Optional.f08)> [concrete]
// CHECK:STDOUT: %ImplicitAs.Convert.type.c7a: type = fn_type @ImplicitAs.Convert, @ImplicitAs(%Optional.f08) [concrete]
// CHECK:STDOUT: %ImplicitAs.type.121: type = facet_type <@ImplicitAs, @ImplicitAs(%Optional.75d)> [concrete]
// CHECK:STDOUT: %ImplicitAs.Convert.type.761: type = fn_type @ImplicitAs.Convert, @ImplicitAs(%Optional.75d) [concrete]
// CHECK:STDOUT: %OptionalAs.type.ea5: type = facet_type <@OptionalAs, @OptionalAs(%T.542)> [symbolic]
// CHECK:STDOUT: %U.2d2: %OptionalAs.type.ea5 = symbolic_binding U, 1 [symbolic]
// CHECK:STDOUT: %U.binding.as_type.as.ImplicitAs.impl.Convert.type.4c5: type = fn_type @U.binding.as_type.as.ImplicitAs.impl.Convert.2, @U.binding.as_type.as.ImplicitAs.impl.71c(%T.542, %U.2d2) [symbolic]
// CHECK:STDOUT: %U.binding.as_type.as.ImplicitAs.impl.Convert.cb0: %U.binding.as_type.as.ImplicitAs.impl.Convert.type.4c5 = struct_value () [symbolic]
// CHECK:STDOUT: %OptionalAs.type.12a: type = facet_type <@OptionalAs, @OptionalAs(%OptionalStorage.facet.e81)> [concrete]
// CHECK:STDOUT: %OptionalAs.type.432: type = facet_type <@OptionalAs, @OptionalAs(%OptionalStorage.facet.6bd)> [concrete]
// CHECK:STDOUT: %T.binding.as_type.as.OptionalAs.impl.Convert.type.d22: type = fn_type @T.binding.as_type.as.OptionalAs.impl.Convert, @T.binding.as_type.as.OptionalAs.impl(%T.542) [symbolic]
// CHECK:STDOUT: %T.binding.as_type.as.OptionalAs.impl.Convert.d8f: %T.binding.as_type.as.OptionalAs.impl.Convert.type.d22 = struct_value () [symbolic]
// CHECK:STDOUT: %OptionalAs.impl_witness.d83: <witness> = impl_witness imports.%OptionalAs.impl_witness_table.cea, @T.binding.as_type.as.OptionalAs.impl(%OptionalStorage.facet.e81) [concrete]
// CHECK:STDOUT: %OptionalAs.facet: %OptionalAs.type.12a = facet_value %ptr.235, (%OptionalAs.impl_witness.d83) [concrete]
// CHECK:STDOUT: %ImplicitAs.impl_witness.862: <witness> = impl_witness imports.%ImplicitAs.impl_witness_table.840, @U.binding.as_type.as.ImplicitAs.impl.71c(%OptionalStorage.facet.e81, %OptionalAs.facet) [concrete]
// CHECK:STDOUT: %U.binding.as_type.as.ImplicitAs.impl.Convert.type.ed2: type = fn_type @U.binding.as_type.as.ImplicitAs.impl.Convert.2, @U.binding.as_type.as.ImplicitAs.impl.71c(%OptionalStorage.facet.e81, %OptionalAs.facet) [concrete]
// CHECK:STDOUT: %U.binding.as_type.as.ImplicitAs.impl.Convert.93d: %U.binding.as_type.as.ImplicitAs.impl.Convert.type.ed2 = struct_value () [concrete]
// CHECK:STDOUT: %ImplicitAs.facet.642: %ImplicitAs.type.9cf = facet_value %ptr.235, (%ImplicitAs.impl_witness.862) [concrete]
// CHECK:STDOUT: %.587: type = fn_type_with_self_type %ImplicitAs.Convert.type.c7a, %ImplicitAs.facet.642 [concrete]
// CHECK:STDOUT: %U.binding.as_type.as.ImplicitAs.impl.Convert.specific_fn: <specific function> = specific_function %U.binding.as_type.as.ImplicitAs.impl.Convert.93d, @U.binding.as_type.as.ImplicitAs.impl.Convert.2(%OptionalStorage.facet.e81, %OptionalAs.facet) [concrete]
// CHECK:STDOUT: %OptionalAs.impl_witness.2cb: <witness> = impl_witness imports.%OptionalAs.impl_witness_table.cea, @T.binding.as_type.as.OptionalAs.impl(%OptionalStorage.facet.6bd) [concrete]
// CHECK:STDOUT: %OptionalAs.facet: %OptionalAs.type.432 = facet_value %ptr.235, (%OptionalAs.impl_witness.2cb) [concrete]
// CHECK:STDOUT: %ImplicitAs.impl_witness.2c0: <witness> = impl_witness imports.%ImplicitAs.impl_witness_table.840, @U.binding.as_type.as.ImplicitAs.impl.71c(%OptionalStorage.facet.6bd, %OptionalAs.facet) [concrete]
// CHECK:STDOUT: %U.binding.as_type.as.ImplicitAs.impl.Convert.type.cc7: type = fn_type @U.binding.as_type.as.ImplicitAs.impl.Convert.2, @U.binding.as_type.as.ImplicitAs.impl.71c(%OptionalStorage.facet.6bd, %OptionalAs.facet) [concrete]
// CHECK:STDOUT: %U.binding.as_type.as.ImplicitAs.impl.Convert.37e: %U.binding.as_type.as.ImplicitAs.impl.Convert.type.cc7 = struct_value () [concrete]
// CHECK:STDOUT: %ImplicitAs.facet.8cd: %ImplicitAs.type.121 = facet_value %ptr.235, (%ImplicitAs.impl_witness.2c0) [concrete]
// CHECK:STDOUT: %.07d: type = fn_type_with_self_type %ImplicitAs.Convert.type.761, %ImplicitAs.facet.8cd [concrete]
// CHECK:STDOUT: %U.binding.as_type.as.ImplicitAs.impl.Convert.specific_fn: <specific function> = specific_function %U.binding.as_type.as.ImplicitAs.impl.Convert.37e, @U.binding.as_type.as.ImplicitAs.impl.Convert.2(%OptionalStorage.facet.6bd, %OptionalAs.facet) [concrete]
// CHECK:STDOUT: %Cpp.nullptr_t: type = class_type @NullptrT [concrete]
// CHECK:STDOUT: %uninit: %Cpp.nullptr_t = uninitialized_value [concrete]
// CHECK:STDOUT: %Cpp.nullptr_t.as.ImplicitAs.impl.Convert.type.c8e: type = fn_type @Cpp.nullptr_t.as.ImplicitAs.impl.Convert, @Cpp.nullptr_t.as.ImplicitAs.impl(%T.67d) [symbolic]
// CHECK:STDOUT: %Cpp.nullptr_t.as.ImplicitAs.impl.Convert.b87: %Cpp.nullptr_t.as.ImplicitAs.impl.Convert.type.c8e = struct_value () [symbolic]
// CHECK:STDOUT: %ImplicitAs.impl_witness.004: <witness> = impl_witness imports.%ImplicitAs.impl_witness_table.cd4, @Cpp.nullptr_t.as.ImplicitAs.impl(%i32) [concrete]
// CHECK:STDOUT: %Cpp.nullptr_t.as.ImplicitAs.impl.Convert.type.f06: type = fn_type @Cpp.nullptr_t.as.ImplicitAs.impl.Convert, @Cpp.nullptr_t.as.ImplicitAs.impl(%i32) [concrete]
// CHECK:STDOUT: %Cpp.nullptr_t.as.ImplicitAs.impl.Convert.2fd: %Cpp.nullptr_t.as.ImplicitAs.impl.Convert.type.f06 = struct_value () [concrete]
// CHECK:STDOUT: %ImplicitAs.facet.2af: %ImplicitAs.type.9cf = facet_value %Cpp.nullptr_t, (%ImplicitAs.impl_witness.004) [concrete]
// CHECK:STDOUT: %.aef: type = fn_type_with_self_type %ImplicitAs.Convert.type.c7a, %ImplicitAs.facet.2af [concrete]
// CHECK:STDOUT: %Cpp.nullptr_t.as.ImplicitAs.impl.Convert.bound: <bound method> = bound_method %uninit, %Cpp.nullptr_t.as.ImplicitAs.impl.Convert.2fd [concrete]
// CHECK:STDOUT: %Cpp.nullptr_t.as.ImplicitAs.impl.Convert.specific_fn: <specific function> = specific_function %Cpp.nullptr_t.as.ImplicitAs.impl.Convert.2fd, @Cpp.nullptr_t.as.ImplicitAs.impl.Convert(%i32) [concrete]
// CHECK:STDOUT: %bound_method.3f0: <bound method> = bound_method %uninit, %Cpp.nullptr_t.as.ImplicitAs.impl.Convert.specific_fn [concrete]
// CHECK:STDOUT: %DestroyOp.type.3e79c2.7: type = fn_type @DestroyOp.loc13 [concrete]
// CHECK:STDOUT: %DestroyOp.b0ebf8.7: %DestroyOp.type.3e79c2.7 = struct_value () [concrete]
// CHECK:STDOUT: %DestroyOp.type.3e79c2.8: type = fn_type @DestroyOp.loc10 [concrete]
// CHECK:STDOUT: %DestroyOp.b0ebf8.8: %DestroyOp.type.3e79c2.8 = struct_value () [concrete]
// CHECK:STDOUT: %Cpp.nullptr_t.as.ImplicitAs.impl.Convert.type.2ba: type = fn_type @Cpp.nullptr_t.as.ImplicitAs.impl.Convert, @Cpp.nullptr_t.as.ImplicitAs.impl(%T.67d) [symbolic]
// CHECK:STDOUT: %Cpp.nullptr_t.as.ImplicitAs.impl.Convert.0ff: %Cpp.nullptr_t.as.ImplicitAs.impl.Convert.type.2ba = struct_value () [symbolic]
// CHECK:STDOUT: %ImplicitAs.impl_witness.aac: <witness> = impl_witness imports.%ImplicitAs.impl_witness_table.692, @Cpp.nullptr_t.as.ImplicitAs.impl(%i32) [concrete]
// CHECK:STDOUT: %Cpp.nullptr_t.as.ImplicitAs.impl.Convert.type.9ab: type = fn_type @Cpp.nullptr_t.as.ImplicitAs.impl.Convert, @Cpp.nullptr_t.as.ImplicitAs.impl(%i32) [concrete]
// CHECK:STDOUT: %Cpp.nullptr_t.as.ImplicitAs.impl.Convert.a00: %Cpp.nullptr_t.as.ImplicitAs.impl.Convert.type.9ab = struct_value () [concrete]
// CHECK:STDOUT: %ImplicitAs.facet.cf9: %ImplicitAs.type.121 = facet_value %Cpp.nullptr_t, (%ImplicitAs.impl_witness.aac) [concrete]
// CHECK:STDOUT: %.99d: type = fn_type_with_self_type %ImplicitAs.Convert.type.761, %ImplicitAs.facet.cf9 [concrete]
// CHECK:STDOUT: %Cpp.nullptr_t.as.ImplicitAs.impl.Convert.bound: <bound method> = bound_method %uninit, %Cpp.nullptr_t.as.ImplicitAs.impl.Convert.a00 [concrete]
// CHECK:STDOUT: %Cpp.nullptr_t.as.ImplicitAs.impl.Convert.specific_fn: <specific function> = specific_function %Cpp.nullptr_t.as.ImplicitAs.impl.Convert.a00, @Cpp.nullptr_t.as.ImplicitAs.impl.Convert(%i32) [concrete]
// CHECK:STDOUT: %bound_method.3ee: <bound method> = bound_method %uninit, %Cpp.nullptr_t.as.ImplicitAs.impl.Convert.specific_fn [concrete]
// CHECK:STDOUT: %DestroyOp.type.3e79c2.3: type = fn_type @DestroyOp.loc13 [concrete]
// CHECK:STDOUT: %DestroyOp.b0ebf8.3: %DestroyOp.type.3e79c2.3 = struct_value () [concrete]
// CHECK:STDOUT: %DestroyOp.type.3e79c2.4: type = fn_type @DestroyOp.loc10 [concrete]
// CHECK:STDOUT: %DestroyOp.b0ebf8.4: %DestroyOp.type.3e79c2.4 = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
@@ -165,21 +163,21 @@ fn F() {
// CHECK:STDOUT: %TakesArray.cpp_overload_set.value: %TakesArray.cpp_overload_set.type = cpp_overload_set_value @TakesArray.cpp_overload_set [concrete = constants.%TakesArray.cpp_overload_set.value]
// CHECK:STDOUT: %Core.import_ref.42d: @Core.IntLiteral.as.ImplicitAs.impl.%Core.IntLiteral.as.ImplicitAs.impl.Convert.type (%Core.IntLiteral.as.ImplicitAs.impl.Convert.type.4e6) = import_ref Core//prelude/types/int, loc{{\d+_\d+}}, loaded [symbolic = @Core.IntLiteral.as.ImplicitAs.impl.%Core.IntLiteral.as.ImplicitAs.impl.Convert (constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.3c2)]
// CHECK:STDOUT: %ImplicitAs.impl_witness_table.74f = impl_witness_table (%Core.import_ref.42d), @Core.IntLiteral.as.ImplicitAs.impl [concrete]
// CHECK:STDOUT: %Core.import_ref.75b: type = import_ref Core//prelude/types/optional, loc{{\d+_\d+}}, loaded [symbolic = @ptr.as.OptionalStorage.impl.%MaybeUnformed (constants.%MaybeUnformed.40e)]
// CHECK:STDOUT: %Core.import_ref.e3f: @ptr.as.OptionalStorage.impl.%ptr.as.OptionalStorage.impl.None.type (%ptr.as.OptionalStorage.impl.None.type.f78) = import_ref Core//prelude/types/optional, loc{{\d+_\d+}}, loaded [symbolic = @ptr.as.OptionalStorage.impl.%ptr.as.OptionalStorage.impl.None (constants.%ptr.as.OptionalStorage.impl.None.d08)]
// CHECK:STDOUT: %Core.import_ref.66a: @ptr.as.OptionalStorage.impl.%ptr.as.OptionalStorage.impl.Some.type (%ptr.as.OptionalStorage.impl.Some.type.e4b) = import_ref Core//prelude/types/optional, loc{{\d+_\d+}}, loaded [symbolic = @ptr.as.OptionalStorage.impl.%ptr.as.OptionalStorage.impl.Some (constants.%ptr.as.OptionalStorage.impl.Some.d91)]
// CHECK:STDOUT: %Core.import_ref.23a = import_ref Core//prelude/types/optional, loc{{\d+_\d+}}, unloaded
// CHECK:STDOUT: %Core.import_ref.afb = import_ref Core//prelude/types/optional, loc{{\d+_\d+}}, unloaded
// CHECK:STDOUT: %OptionalStorage.impl_witness_table.70a = impl_witness_table (%Core.import_ref.75b, %Core.import_ref.e3f, %Core.import_ref.66a, %Core.import_ref.23a, %Core.import_ref.afb), @ptr.as.OptionalStorage.impl [concrete]
// CHECK:STDOUT: %Core.import_ref.6af: type = import_ref Core//prelude/types/optional, loc{{\d+_\d+}}, loaded [symbolic = @ptr.as.OptionalStorage.impl.%MaybeUnformed (constants.%MaybeUnformed.2e9)]
// CHECK:STDOUT: %Core.import_ref.1cf: @ptr.as.OptionalStorage.impl.%ptr.as.OptionalStorage.impl.None.type (%ptr.as.OptionalStorage.impl.None.type.03c) = import_ref Core//prelude/types/optional, loc{{\d+_\d+}}, loaded [symbolic = @ptr.as.OptionalStorage.impl.%ptr.as.OptionalStorage.impl.None (constants.%ptr.as.OptionalStorage.impl.None.f37)]
// CHECK:STDOUT: %Core.import_ref.bb5: @ptr.as.OptionalStorage.impl.%ptr.as.OptionalStorage.impl.Some.type (%ptr.as.OptionalStorage.impl.Some.type.c7a) = import_ref Core//prelude/types/optional, loc{{\d+_\d+}}, loaded [symbolic = @ptr.as.OptionalStorage.impl.%ptr.as.OptionalStorage.impl.Some (constants.%ptr.as.OptionalStorage.impl.Some.38a)]
// CHECK:STDOUT: %Core.import_ref.433 = import_ref Core//prelude/types/optional, loc{{\d+_\d+}}, unloaded
// CHECK:STDOUT: %Core.import_ref.6e2 = import_ref Core//prelude/types/optional, loc{{\d+_\d+}}, unloaded
// CHECK:STDOUT: %OptionalStorage.impl_witness_table.851 = impl_witness_table (%Core.import_ref.6af, %Core.import_ref.1cf, %Core.import_ref.bb5, %Core.import_ref.433, %Core.import_ref.6e2), @ptr.as.OptionalStorage.impl [concrete]
// CHECK:STDOUT: %TakesArray.decl: %TakesArray.type = fn_decl @TakesArray [concrete = constants.%TakesArray] {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: } {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: %.loc11_23.1: type = splice_block %Optional [concrete = constants.%Optional.f08] {
// CHECK:STDOUT: %.loc11_23.1: type = splice_block %Optional [concrete = constants.%Optional.75d] {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: %OptionalStorage.facet: %OptionalStorage.type = facet_value constants.%ptr.235, (constants.%OptionalStorage.impl_witness.efb) [concrete = constants.%OptionalStorage.facet.e81]
// CHECK:STDOUT: %.loc11_23.2: %OptionalStorage.type = converted constants.%ptr.235, %OptionalStorage.facet [concrete = constants.%OptionalStorage.facet.e81]
// CHECK:STDOUT: %Optional: type = class_type @Optional, @Optional(constants.%OptionalStorage.facet.e81) [concrete = constants.%Optional.f08]
// CHECK:STDOUT: %OptionalStorage.facet: %OptionalStorage.type = facet_value constants.%ptr.235, (constants.%OptionalStorage.impl_witness.e42) [concrete = constants.%OptionalStorage.facet.6bd]
// CHECK:STDOUT: %.loc11_23.2: %OptionalStorage.type = converted constants.%ptr.235, %OptionalStorage.facet [concrete = constants.%OptionalStorage.facet.6bd]
// CHECK:STDOUT: %Optional: type = class_type @Optional, @Optional(constants.%OptionalStorage.facet.6bd) [concrete = constants.%Optional.75d]
// CHECK:STDOUT: }
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
@@ -187,8 +185,8 @@ fn F() {
// CHECK:STDOUT: %ImplicitAs.impl_witness_table.840 = impl_witness_table (%Core.import_ref.059), @U.binding.as_type.as.ImplicitAs.impl.71c [concrete]
// CHECK:STDOUT: %Core.import_ref.6fb: @T.binding.as_type.as.OptionalAs.impl.%T.binding.as_type.as.OptionalAs.impl.Convert.type (%T.binding.as_type.as.OptionalAs.impl.Convert.type.d22) = import_ref Core//prelude/types/optional, loc{{\d+_\d+}}, loaded [symbolic = @T.binding.as_type.as.OptionalAs.impl.%T.binding.as_type.as.OptionalAs.impl.Convert (constants.%T.binding.as_type.as.OptionalAs.impl.Convert.d8f)]
// CHECK:STDOUT: %OptionalAs.impl_witness_table.cea = impl_witness_table (%Core.import_ref.6fb), @T.binding.as_type.as.OptionalAs.impl [concrete]
// CHECK:STDOUT: %Core.import_ref.a0e: @Cpp.nullptr_t.as.ImplicitAs.impl.%Cpp.nullptr_t.as.ImplicitAs.impl.Convert.type (%Cpp.nullptr_t.as.ImplicitAs.impl.Convert.type.c8e) = import_ref Core//prelude/types/cpp/nullptr, loc{{\d+_\d+}}, loaded [symbolic = @Cpp.nullptr_t.as.ImplicitAs.impl.%Cpp.nullptr_t.as.ImplicitAs.impl.Convert (constants.%Cpp.nullptr_t.as.ImplicitAs.impl.Convert.b87)]
// CHECK:STDOUT: %ImplicitAs.impl_witness_table.cd4 = impl_witness_table (%Core.import_ref.a0e), @Cpp.nullptr_t.as.ImplicitAs.impl [concrete]
// CHECK:STDOUT: %Core.import_ref.c58: @Cpp.nullptr_t.as.ImplicitAs.impl.%Cpp.nullptr_t.as.ImplicitAs.impl.Convert.type (%Cpp.nullptr_t.as.ImplicitAs.impl.Convert.type.2ba) = import_ref Core//prelude/types/cpp/nullptr, loc{{\d+_\d+}}, loaded [symbolic = @Cpp.nullptr_t.as.ImplicitAs.impl.%Cpp.nullptr_t.as.ImplicitAs.impl.Convert (constants.%Cpp.nullptr_t.as.ImplicitAs.impl.Convert.0ff)]
// CHECK:STDOUT: %ImplicitAs.impl_witness_table.692 = impl_witness_table (%Core.import_ref.c58), @Cpp.nullptr_t.as.ImplicitAs.impl [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F() {
@@ -220,41 +218,41 @@ fn F() {
// CHECK:STDOUT: %.loc11_21.2: %i32 = converted %int_0, %.loc11_21.1 [concrete = constants.%int_0.6a9]
// CHECK:STDOUT: %.loc11_22: ref %i32 = array_index %n.ref, %.loc11_21.2
// CHECK:STDOUT: %addr: %ptr.235 = addr_of %.loc11_22
// CHECK:STDOUT: %impl.elem0.loc11_18: %.587 = impl_witness_access constants.%ImplicitAs.impl_witness.862, element0 [concrete = constants.%U.binding.as_type.as.ImplicitAs.impl.Convert.93d]
// CHECK:STDOUT: %impl.elem0.loc11_18: %.07d = impl_witness_access constants.%ImplicitAs.impl_witness.2c0, element0 [concrete = constants.%U.binding.as_type.as.ImplicitAs.impl.Convert.37e]
// CHECK:STDOUT: %bound_method.loc11_18.1: <bound method> = bound_method %addr, %impl.elem0.loc11_18
// CHECK:STDOUT: %specific_fn.loc11_18: <specific function> = specific_function %impl.elem0.loc11_18, @U.binding.as_type.as.ImplicitAs.impl.Convert.2(constants.%OptionalStorage.facet.e81, constants.%OptionalAs.facet) [concrete = constants.%U.binding.as_type.as.ImplicitAs.impl.Convert.specific_fn]
// CHECK:STDOUT: %specific_fn.loc11_18: <specific function> = specific_function %impl.elem0.loc11_18, @U.binding.as_type.as.ImplicitAs.impl.Convert.2(constants.%OptionalStorage.facet.6bd, constants.%OptionalAs.facet) [concrete = constants.%U.binding.as_type.as.ImplicitAs.impl.Convert.specific_fn]
// CHECK:STDOUT: %bound_method.loc11_18.2: <bound method> = bound_method %addr, %specific_fn.loc11_18
// CHECK:STDOUT: %U.binding.as_type.as.ImplicitAs.impl.Convert.call: init %Optional.f08 = call %bound_method.loc11_18.2(%addr)
// CHECK:STDOUT: %.loc11_18.1: init %Optional.f08 = converted %addr, %U.binding.as_type.as.ImplicitAs.impl.Convert.call
// CHECK:STDOUT: %.loc11_18.2: ref %Optional.f08 = temporary_storage
// CHECK:STDOUT: %.loc11_18.3: ref %Optional.f08 = temporary %.loc11_18.2, %.loc11_18.1
// CHECK:STDOUT: %.loc11_18.4: %Optional.f08 = acquire_value %.loc11_18.3
// CHECK:STDOUT: %U.binding.as_type.as.ImplicitAs.impl.Convert.call: init %Optional.75d = call %bound_method.loc11_18.2(%addr)
// CHECK:STDOUT: %.loc11_18.1: init %Optional.75d = converted %addr, %U.binding.as_type.as.ImplicitAs.impl.Convert.call
// CHECK:STDOUT: %.loc11_18.2: ref %Optional.75d = temporary_storage
// CHECK:STDOUT: %.loc11_18.3: ref %Optional.75d = temporary %.loc11_18.2, %.loc11_18.1
// CHECK:STDOUT: %.loc11_18.4: %Optional.75d = acquire_value %.loc11_18.3
// CHECK:STDOUT: %TakesArray.call.loc11: init %empty_tuple.type = call imports.%TakesArray.decl(%.loc11_18.4)
// CHECK:STDOUT: %Cpp.ref.loc13_3: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %TakesArray.ref.loc13: %TakesArray.cpp_overload_set.type = name_ref TakesArray, imports.%TakesArray.cpp_overload_set.value [concrete = constants.%TakesArray.cpp_overload_set.value]
// CHECK:STDOUT: %Cpp.ref.loc13_18: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: %nullptr.ref: %Cpp.nullptr_t = name_ref nullptr, %uninit [concrete = constants.%uninit]
// CHECK:STDOUT: %impl.elem0.loc13: %.aef = impl_witness_access constants.%ImplicitAs.impl_witness.004, element0 [concrete = constants.%Cpp.nullptr_t.as.ImplicitAs.impl.Convert.2fd]
// CHECK:STDOUT: %impl.elem0.loc13: %.99d = impl_witness_access constants.%ImplicitAs.impl_witness.aac, element0 [concrete = constants.%Cpp.nullptr_t.as.ImplicitAs.impl.Convert.a00]
// CHECK:STDOUT: %bound_method.loc13_21.1: <bound method> = bound_method %nullptr.ref, %impl.elem0.loc13 [concrete = constants.%Cpp.nullptr_t.as.ImplicitAs.impl.Convert.bound]
// CHECK:STDOUT: %specific_fn.loc13: <specific function> = specific_function %impl.elem0.loc13, @Cpp.nullptr_t.as.ImplicitAs.impl.Convert(constants.%i32) [concrete = constants.%Cpp.nullptr_t.as.ImplicitAs.impl.Convert.specific_fn]
// CHECK:STDOUT: %bound_method.loc13_21.2: <bound method> = bound_method %nullptr.ref, %specific_fn.loc13 [concrete = constants.%bound_method.3f0]
// CHECK:STDOUT: %Cpp.nullptr_t.as.ImplicitAs.impl.Convert.call: init %Optional.f08 = call %bound_method.loc13_21.2(%nullptr.ref)
// CHECK:STDOUT: %.loc13_21.1: init %Optional.f08 = converted %nullptr.ref, %Cpp.nullptr_t.as.ImplicitAs.impl.Convert.call
// CHECK:STDOUT: %.loc13_21.2: ref %Optional.f08 = temporary_storage
// CHECK:STDOUT: %.loc13_21.3: ref %Optional.f08 = temporary %.loc13_21.2, %.loc13_21.1
// CHECK:STDOUT: %.loc13_21.4: %Optional.f08 = acquire_value %.loc13_21.3
// CHECK:STDOUT: %bound_method.loc13_21.2: <bound method> = bound_method %nullptr.ref, %specific_fn.loc13 [concrete = constants.%bound_method.3ee]
// CHECK:STDOUT: %Cpp.nullptr_t.as.ImplicitAs.impl.Convert.call: init %Optional.75d = call %bound_method.loc13_21.2(%nullptr.ref)
// CHECK:STDOUT: %.loc13_21.1: init %Optional.75d = converted %nullptr.ref, %Cpp.nullptr_t.as.ImplicitAs.impl.Convert.call
// CHECK:STDOUT: %.loc13_21.2: ref %Optional.75d = temporary_storage
// CHECK:STDOUT: %.loc13_21.3: ref %Optional.75d = temporary %.loc13_21.2, %.loc13_21.1
// CHECK:STDOUT: %.loc13_21.4: %Optional.75d = acquire_value %.loc13_21.3
// CHECK:STDOUT: %TakesArray.call.loc13: init %empty_tuple.type = call imports.%TakesArray.decl(%.loc13_21.4)
// CHECK:STDOUT: %DestroyOp.bound.loc13: <bound method> = bound_method %.loc13_21.3, constants.%DestroyOp.b0ebf8.7
// CHECK:STDOUT: %DestroyOp.bound.loc13: <bound method> = bound_method %.loc13_21.3, constants.%DestroyOp.b0ebf8.3
// CHECK:STDOUT: %DestroyOp.call.loc13: init %empty_tuple.type = call %DestroyOp.bound.loc13(%.loc13_21.3)
// CHECK:STDOUT: %DestroyOp.bound.loc11: <bound method> = bound_method %.loc11_18.3, constants.%DestroyOp.b0ebf8.7
// CHECK:STDOUT: %DestroyOp.bound.loc11: <bound method> = bound_method %.loc11_18.3, constants.%DestroyOp.b0ebf8.3
// CHECK:STDOUT: %DestroyOp.call.loc11: init %empty_tuple.type = call %DestroyOp.bound.loc11(%.loc11_18.3)
// CHECK:STDOUT: %DestroyOp.bound.loc10: <bound method> = bound_method %n.var, constants.%DestroyOp.b0ebf8.8
// CHECK:STDOUT: %DestroyOp.bound.loc10: <bound method> = bound_method %n.var, constants.%DestroyOp.b0ebf8.4
// CHECK:STDOUT: %DestroyOp.call.loc10: init %empty_tuple.type = call %DestroyOp.bound.loc10(%n.var)
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @DestroyOp.loc13(%self.param: %Optional.f08) = "no_op";
// CHECK:STDOUT: fn @DestroyOp.loc13(%self.param: %Optional.75d) = "no_op";
// CHECK:STDOUT:
// CHECK:STDOUT: fn @DestroyOp.loc10(%self.param: %array_type) = "no_op";
// CHECK:STDOUT: