// 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_error_recovery.carbon
// TIP: To dump output, run:
// TIP:   bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/operators/overloaded/fail_error_recovery.carbon

// Each of these should only produce one error, and shouldn't complain that
// `<error>` doesn't implement an operator.

fn F() {
  // CHECK:STDERR: fail_error_recovery.carbon:[[@LINE+4]]:3: error: name `undeclared` not found [NameNotFound]
  // CHECK:STDERR:   undeclared + 1;
  // CHECK:STDERR:   ^~~~~~~~~~
  // CHECK:STDERR:
  undeclared + 1;
}

fn G(n: i32) {
  // CHECK:STDERR: fail_error_recovery.carbon:[[@LINE+3]]:7: error: name `undeclared` not found [NameNotFound]
  // CHECK:STDERR:   n + undeclared;
  // CHECK:STDERR:       ^~~~~~~~~~
  n + undeclared;
}

// CHECK:STDOUT: --- fail_error_recovery.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT:   %F.type: type = fn_type @F [template]
// CHECK:STDOUT:   %F: %F.type = struct_value () [template]
// CHECK:STDOUT:   %int_1: Core.IntLiteral = int_value 1 [template]
// CHECK:STDOUT:   %Op.type.88c: type = fn_type @Op.1 [template]
// CHECK:STDOUT:   %int_32: Core.IntLiteral = int_value 32 [template]
// CHECK:STDOUT:   %i32: type = class_type @Int, @Int(%int_32) [template]
// CHECK:STDOUT:   %G.type: type = fn_type @G [template]
// CHECK:STDOUT:   %G: %G.type = struct_value () [template]
// CHECK:STDOUT:   %impl_witness.a03: <witness> = impl_witness (imports.%import_ref.c16), @impl.14(%int_32) [template]
// CHECK:STDOUT:   %Op.type.16e: type = fn_type @Op.2, @impl.14(%int_32) [template]
// CHECK:STDOUT:   %Op.ceb: %Op.type.16e = struct_value () [template]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [template] {
// CHECK:STDOUT:     .Add = %import_ref.4b5
// CHECK:STDOUT:     .Int = %import_ref.187
// CHECK:STDOUT:     import Core//prelude
// CHECK:STDOUT:     import Core//prelude/...
// CHECK:STDOUT:   }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT:   package: <namespace> = namespace [template] {
// CHECK:STDOUT:     .Core = imports.%Core
// CHECK:STDOUT:     .F = %F.decl
// CHECK:STDOUT:     .G = %G.decl
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %Core.import = import Core
// CHECK:STDOUT:   %F.decl: %F.type = fn_decl @F [template = constants.%F] {} {}
// CHECK:STDOUT:   %G.decl: %G.type = fn_decl @G [template = constants.%G] {
// CHECK:STDOUT:     %n.patt: %i32 = binding_pattern n
// CHECK:STDOUT:     %n.param_patt: %i32 = value_param_pattern %n.patt, runtime_param0
// CHECK:STDOUT:   } {
// CHECK:STDOUT:     %n.param: %i32 = value_param runtime_param0
// CHECK:STDOUT:     %.loc22: type = splice_block %i32 [template = constants.%i32] {
// CHECK:STDOUT:       %int_32: Core.IntLiteral = int_value 32 [template = constants.%int_32]
// CHECK:STDOUT:       %i32: type = class_type @Int, @Int(constants.%int_32) [template = constants.%i32]
// CHECK:STDOUT:     }
// CHECK:STDOUT:     %n: %i32 = bind_name n, %n.param
// CHECK:STDOUT:   }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT:   %undeclared.ref: <error> = name_ref undeclared, <error> [template = <error>]
// CHECK:STDOUT:   %int_1: Core.IntLiteral = int_value 1 [template = constants.%int_1]
// CHECK:STDOUT:   %impl.elem0: %Op.type.88c = impl_witness_access <error>, element0 [template = <error>]
// CHECK:STDOUT:   %Op.bound: <bound method> = bound_method %undeclared.ref, %impl.elem0 [template = <error>]
// CHECK:STDOUT:   return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @G(%n.param_patt: %i32) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT:   %n.ref: %i32 = name_ref n, %n
// CHECK:STDOUT:   %undeclared.ref: <error> = name_ref undeclared, <error> [template = <error>]
// CHECK:STDOUT:   %impl.elem0: %Op.type.88c = impl_witness_access constants.%impl_witness.a03, element0 [template = constants.%Op.ceb]
// CHECK:STDOUT:   %Op.bound: <bound method> = bound_method %n.ref, %impl.elem0
// CHECK:STDOUT:   return
// CHECK:STDOUT: }
// CHECK:STDOUT: