// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
// Exceptions. See /LICENSE for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
// AUTOUPDATE
// TIP: To test this file alone, run:
// TIP:   bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/operators/overloaded/fail_assign_non_ref.carbon
// TIP: To dump output, run:
// TIP:   bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/operators/overloaded/fail_assign_non_ref.carbon

package User;

class C {};

impl C as Core.Inc {
  fn Op[addr self: C*]();
}
impl C as Core.AddAssign {
  fn Op[addr self: C*](other: C);
}

fn TestIncNonRef(a: C) {
  // CHECK:STDERR: fail_assign_non_ref.carbon:[[@LINE+7]]:5: error: `addr self` method cannot be invoked on a value [AddrSelfIsNonRef]
  // CHECK:STDERR:   ++a;
  // CHECK:STDERR:     ^
  // CHECK:STDERR: fail_assign_non_ref.carbon:[[@LINE-10]]:9: note: initializing function parameter [InCallToFunctionParam]
  // CHECK:STDERR:   fn Op[addr self: C*]();
  // CHECK:STDERR:         ^~~~~~~~~~~~~
  // CHECK:STDERR:
  ++a;
}

fn TestAddAssignNonRef(a: C, b: C) {
  // CHECK:STDERR: fail_assign_non_ref.carbon:[[@LINE+6]]:3: error: `addr self` method cannot be invoked on a value [AddrSelfIsNonRef]
  // CHECK:STDERR:   a += b;
  // CHECK:STDERR:   ^
  // CHECK:STDERR: fail_assign_non_ref.carbon:[[@LINE-18]]:9: note: initializing function parameter [InCallToFunctionParam]
  // CHECK:STDERR:   fn Op[addr self: C*](other: C);
  // CHECK:STDERR:         ^~~~~~~~~~~~~
  a += b;
}

// CHECK:STDOUT: --- fail_assign_non_ref.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT:   %C: type = class_type @C [template]
// CHECK:STDOUT:   %.1: type = struct_type {} [template]
// CHECK:STDOUT:   %.2: <witness> = complete_type_witness %.1 [template]
// CHECK:STDOUT:   %Inc.type: type = interface_type @Inc [template]
// CHECK:STDOUT:   %Self.1: %Inc.type = bind_symbolic_name Self, 0 [symbolic]
// CHECK:STDOUT:   %.3: type = ptr_type %C [template]
// CHECK:STDOUT:   %Op.type.1: type = fn_type @Op.1 [template]
// CHECK:STDOUT:   %.4: type = tuple_type () [template]
// CHECK:STDOUT:   %Op.1: %Op.type.1 = struct_value () [template]
// CHECK:STDOUT:   %Op.type.2: type = fn_type @Op.2 [template]
// CHECK:STDOUT:   %Op.2: %Op.type.2 = struct_value () [template]
// CHECK:STDOUT:   %.5: type = ptr_type %Self.1 [symbolic]
// CHECK:STDOUT:   %.6: <witness> = interface_witness (%Op.1) [template]
// CHECK:STDOUT:   %AddAssign.type: type = interface_type @AddAssign [template]
// CHECK:STDOUT:   %Self.2: %AddAssign.type = bind_symbolic_name Self, 0 [symbolic]
// CHECK:STDOUT:   %Op.type.3: type = fn_type @Op.3 [template]
// CHECK:STDOUT:   %Op.3: %Op.type.3 = struct_value () [template]
// CHECK:STDOUT:   %Op.type.4: type = fn_type @Op.4 [template]
// CHECK:STDOUT:   %Op.4: %Op.type.4 = struct_value () [template]
// CHECK:STDOUT:   %.7: type = ptr_type %Self.2 [symbolic]
// CHECK:STDOUT:   %.8: <witness> = interface_witness (%Op.3) [template]
// CHECK:STDOUT:   %TestIncNonRef.type: type = fn_type @TestIncNonRef [template]
// CHECK:STDOUT:   %TestIncNonRef: %TestIncNonRef.type = struct_value () [template]
// CHECK:STDOUT:   %.9: type = ptr_type %.1 [template]
// CHECK:STDOUT:   %.10: type = assoc_entity_type %Inc.type, %Op.type.2 [template]
// CHECK:STDOUT:   %.11: %.10 = assoc_entity element0, imports.%import_ref.9 [template]
// CHECK:STDOUT:   %TestAddAssignNonRef.type: type = fn_type @TestAddAssignNonRef [template]
// CHECK:STDOUT:   %TestAddAssignNonRef: %TestAddAssignNonRef.type = struct_value () [template]
// CHECK:STDOUT:   %.12: type = assoc_entity_type %AddAssign.type, %Op.type.4 [template]
// CHECK:STDOUT:   %.13: %.12 = assoc_entity element0, imports.%import_ref.10 [template]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [template] {
// CHECK:STDOUT:     .Inc = %import_ref.1
// CHECK:STDOUT:     .AddAssign = %import_ref.5
// CHECK:STDOUT:     import Core//prelude
// CHECK:STDOUT:     import Core//prelude/...
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %import_ref.1: type = import_ref Core//prelude/operators/arithmetic, inst+63, loaded [template = constants.%Inc.type]
// CHECK:STDOUT:   %import_ref.2 = import_ref Core//prelude/operators/arithmetic, inst+65, unloaded
// CHECK:STDOUT:   %import_ref.3: %.10 = import_ref Core//prelude/operators/arithmetic, inst+83, loaded [template = constants.%.11]
// CHECK:STDOUT:   %import_ref.4: %Op.type.2 = import_ref Core//prelude/operators/arithmetic, inst+77, loaded [template = constants.%Op.2]
// CHECK:STDOUT:   %import_ref.5: type = import_ref Core//prelude/operators/arithmetic, inst+34, loaded [template = constants.%AddAssign.type]
// CHECK:STDOUT:   %import_ref.6 = import_ref Core//prelude/operators/arithmetic, inst+36, unloaded
// CHECK:STDOUT:   %import_ref.7: %.12 = import_ref Core//prelude/operators/arithmetic, inst+61, loaded [template = constants.%.13]
// CHECK:STDOUT:   %import_ref.8: %Op.type.4 = import_ref Core//prelude/operators/arithmetic, inst+55, loaded [template = constants.%Op.4]
// CHECK:STDOUT:   %import_ref.9 = import_ref Core//prelude/operators/arithmetic, inst+77, unloaded
// CHECK:STDOUT:   %import_ref.10 = import_ref Core//prelude/operators/arithmetic, inst+55, unloaded
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT:   package: <namespace> = namespace [template] {
// CHECK:STDOUT:     .Core = imports.%Core
// CHECK:STDOUT:     .C = %C.decl
// CHECK:STDOUT:     .TestIncNonRef = %TestIncNonRef.decl
// CHECK:STDOUT:     .TestAddAssignNonRef = %TestAddAssignNonRef.decl
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %Core.import = import Core
// CHECK:STDOUT:   %C.decl: type = class_decl @C [template = constants.%C] {} {}
// CHECK:STDOUT:   impl_decl @impl.1 [template] {} {
// CHECK:STDOUT:     %C.ref: type = name_ref C, file.%C.decl [template = constants.%C]
// CHECK:STDOUT:     %Core.ref: <namespace> = name_ref Core, imports.%Core [template = imports.%Core]
// CHECK:STDOUT:     %Inc.ref: type = name_ref Inc, imports.%import_ref.1 [template = constants.%Inc.type]
// CHECK:STDOUT:   }
// CHECK:STDOUT:   impl_decl @impl.2 [template] {} {
// CHECK:STDOUT:     %C.ref: type = name_ref C, file.%C.decl [template = constants.%C]
// CHECK:STDOUT:     %Core.ref: <namespace> = name_ref Core, imports.%Core [template = imports.%Core]
// CHECK:STDOUT:     %AddAssign.ref: type = name_ref AddAssign, imports.%import_ref.5 [template = constants.%AddAssign.type]
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %TestIncNonRef.decl: %TestIncNonRef.type = fn_decl @TestIncNonRef [template = constants.%TestIncNonRef] {
// CHECK:STDOUT:     %a.patt: %C = binding_pattern a
// CHECK:STDOUT:     %a.param_patt: %C = value_param_pattern %a.patt, runtime_param0
// CHECK:STDOUT:   } {
// CHECK:STDOUT:     %C.ref: type = name_ref C, file.%C.decl [template = constants.%C]
// CHECK:STDOUT:     %a.param: %C = value_param runtime_param0
// CHECK:STDOUT:     %a: %C = bind_name a, %a.param
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %TestAddAssignNonRef.decl: %TestAddAssignNonRef.type = fn_decl @TestAddAssignNonRef [template = constants.%TestAddAssignNonRef] {
// CHECK:STDOUT:     %a.patt: %C = binding_pattern a
// CHECK:STDOUT:     %a.param_patt: %C = value_param_pattern %a.patt, runtime_param0
// CHECK:STDOUT:     %b.patt: %C = binding_pattern b
// CHECK:STDOUT:     %b.param_patt: %C = value_param_pattern %b.patt, runtime_param1
// CHECK:STDOUT:   } {
// CHECK:STDOUT:     %C.ref.loc33_27: type = name_ref C, file.%C.decl [template = constants.%C]
// CHECK:STDOUT:     %C.ref.loc33_33: type = name_ref C, file.%C.decl [template = constants.%C]
// CHECK:STDOUT:     %a.param: %C = value_param runtime_param0
// CHECK:STDOUT:     %a: %C = bind_name a, %a.param
// CHECK:STDOUT:     %b.param: %C = value_param runtime_param1
// CHECK:STDOUT:     %b: %C = bind_name b, %b.param
// CHECK:STDOUT:   }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: interface @Inc {
// CHECK:STDOUT: !members:
// CHECK:STDOUT:   .Self = imports.%import_ref.2
// CHECK:STDOUT:   .Op = imports.%import_ref.3
// CHECK:STDOUT:   witness = (imports.%import_ref.4)
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: interface @AddAssign {
// CHECK:STDOUT: !members:
// CHECK:STDOUT:   .Self = imports.%import_ref.6
// CHECK:STDOUT:   .Op = imports.%import_ref.7
// CHECK:STDOUT:   witness = (imports.%import_ref.8)
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: impl @impl.1: %C.ref as %Inc.ref {
// CHECK:STDOUT:   %Op.decl: %Op.type.1 = fn_decl @Op.1 [template = constants.%Op.1] {
// CHECK:STDOUT:     %self.patt: %.3 = binding_pattern self
// CHECK:STDOUT:     %self.param_patt: %.3 = value_param_pattern %self.patt, runtime_param0
// CHECK:STDOUT:     %.loc16_9: auto = addr_pattern %self.param_patt
// CHECK:STDOUT:   } {
// CHECK:STDOUT:     %C.ref: type = name_ref C, file.%C.decl [template = constants.%C]
// CHECK:STDOUT:     %.loc16_21: type = ptr_type %C [template = constants.%.3]
// CHECK:STDOUT:     %self.param: %.3 = value_param runtime_param0
// CHECK:STDOUT:     %self: %.3 = bind_name self, %self.param
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %.loc15: <witness> = interface_witness (%Op.decl) [template = constants.%.6]
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT:   .Op = %Op.decl
// CHECK:STDOUT:   witness = %.loc15
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: impl @impl.2: %C.ref as %AddAssign.ref {
// CHECK:STDOUT:   %Op.decl: %Op.type.3 = fn_decl @Op.3 [template = constants.%Op.3] {
// CHECK:STDOUT:     %self.patt: %.3 = binding_pattern self
// CHECK:STDOUT:     %self.param_patt: %.3 = value_param_pattern %self.patt, runtime_param0
// CHECK:STDOUT:     %.loc19_9: auto = addr_pattern %self.param_patt
// CHECK:STDOUT:     %other.patt: %C = binding_pattern other
// CHECK:STDOUT:     %other.param_patt: %C = value_param_pattern %other.patt, runtime_param1
// CHECK:STDOUT:   } {
// CHECK:STDOUT:     %C.ref.loc19_20: type = name_ref C, file.%C.decl [template = constants.%C]
// CHECK:STDOUT:     %.loc19_21: type = ptr_type %C [template = constants.%.3]
// CHECK:STDOUT:     %C.ref.loc19_31: type = name_ref C, file.%C.decl [template = constants.%C]
// CHECK:STDOUT:     %self.param: %.3 = value_param runtime_param0
// CHECK:STDOUT:     %self: %.3 = bind_name self, %self.param
// CHECK:STDOUT:     %other.param: %C = value_param runtime_param1
// CHECK:STDOUT:     %other: %C = bind_name other, %other.param
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %.loc18: <witness> = interface_witness (%Op.decl) [template = constants.%.8]
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT:   .Op = %Op.decl
// CHECK:STDOUT:   witness = %.loc18
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @C {
// CHECK:STDOUT:   %.loc13: <witness> = complete_type_witness %.1 [template = constants.%.2]
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT:   .Self = constants.%C
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Op.1[addr %self.param_patt: %.3]();
// CHECK:STDOUT:
// CHECK:STDOUT: generic fn @Op.2(constants.%Self.1: %Inc.type) {
// CHECK:STDOUT:   %Self: %Inc.type = bind_symbolic_name Self, 0 [symbolic = %Self (constants.%Self.1)]
// CHECK:STDOUT:   %.2: type = ptr_type @Op.2.%Self (%Self.1) [symbolic = %.2 (constants.%.5)]
// CHECK:STDOUT:
// CHECK:STDOUT:   fn[addr <unexpected>.inst+38: @Op.2.%.2 (%.5)]();
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Op.3[addr %self.param_patt: %.3](%other.param_patt: %C);
// CHECK:STDOUT:
// CHECK:STDOUT: generic fn @Op.4(constants.%Self.2: %AddAssign.type) {
// CHECK:STDOUT:   %Self: %AddAssign.type = bind_symbolic_name Self, 0 [symbolic = %Self (constants.%Self.2)]
// CHECK:STDOUT:   %.2: type = ptr_type @Op.4.%Self (%Self.2) [symbolic = %.2 (constants.%.7)]
// CHECK:STDOUT:
// CHECK:STDOUT:   fn[addr <unexpected>.inst+77: @Op.4.%.2 (%.7)](%other.param_patt: @Op.4.%Self (%Self.2));
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @TestIncNonRef(%a.param_patt: %C) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT:   %a.ref: %C = name_ref a, %a
// CHECK:STDOUT:   %Op.ref: %.10 = name_ref Op, imports.%import_ref.3 [template = constants.%.11]
// CHECK:STDOUT:   %.loc30_3.1: %Op.type.2 = interface_witness_access constants.%.6, element0 [template = constants.%Op.1]
// CHECK:STDOUT:   %.loc30_3.2: <bound method> = bound_method %a.ref, %.loc30_3.1
// CHECK:STDOUT:   %Op.call: init %.4 = call %.loc30_3.2(<error>)
// CHECK:STDOUT:   return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @TestAddAssignNonRef(%a.param_patt: %C, %b.param_patt: %C) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT:   %a.ref: %C = name_ref a, %a
// CHECK:STDOUT:   %b.ref: %C = name_ref b, %b
// CHECK:STDOUT:   %Op.ref: %.12 = name_ref Op, imports.%import_ref.7 [template = constants.%.13]
// CHECK:STDOUT:   %.loc40_5.1: %Op.type.4 = interface_witness_access constants.%.8, element0 [template = constants.%Op.3]
// CHECK:STDOUT:   %.loc40_5.2: <bound method> = bound_method %a.ref, %.loc40_5.1
// CHECK:STDOUT:   %Op.call: init %.4 = call %.loc40_5.2(<error>, %b.ref)
// CHECK:STDOUT:   return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @Op.2(constants.%Self.1) {
// CHECK:STDOUT:   %Self => constants.%Self.1
// CHECK:STDOUT:   %.2 => constants.%.5
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @Op.2(constants.%C) {
// CHECK:STDOUT:   %Self => constants.%C
// CHECK:STDOUT:   %.2 => constants.%.3
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @Op.4(constants.%Self.2) {
// CHECK:STDOUT:   %Self => constants.%Self.2
// CHECK:STDOUT:   %.2 => constants.%.7
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @Op.4(constants.%C) {
// CHECK:STDOUT:   %Self => constants.%C
// CHECK:STDOUT:   %.2 => constants.%.3
// CHECK:STDOUT: }
// CHECK:STDOUT: