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carbon-lang/toolchain/check/testdata/function/declaration/no_prelude/fail_redecl.carbon
T
David BlaikieandJon Ross-Perkins e6c1f0630a Add a newline after diagnostic output when testing (#4818) 
This removes some churn when adding new diagnostic cases to test files
(where previous to this change the newly added newline would cause the
previous diagnostic CHECKs to be updated including changes to the line
number because the CHECK for the blank line meant an extra line between
CHECK and source line).

A few alternatives discussed here:
https://discord.com/channels/655572317891461132/655578254970716160/1329573358475673723

---------

Co-authored-by: Jon Ross-Perkins <jperkins@google.com>
2025-01-16 23:23:57 +00:00

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// 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/function/declaration/no_prelude/fail_redecl.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/function/declaration/no_prelude/fail_redecl.carbon
fn A();
// CHECK:STDERR: fail_redecl.carbon:[[@LINE+7]]:1: error: redeclaration of `fn A` is redundant [RedeclRedundant]
// CHECK:STDERR: fn A();
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR: fail_redecl.carbon:[[@LINE-4]]:1: note: previously declared here [RedeclPrevDecl]
// CHECK:STDERR: fn A();
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR:
fn A();
fn B(x: ());
// CHECK:STDERR: fail_redecl.carbon:[[@LINE+7]]:1: error: redeclaration of `fn B` is redundant [RedeclRedundant]
// CHECK:STDERR: fn B(x: ());
// CHECK:STDERR: ^~~~~~~~~~~~
// CHECK:STDERR: fail_redecl.carbon:[[@LINE-4]]:1: note: previously declared here [RedeclPrevDecl]
// CHECK:STDERR: fn B(x: ());
// CHECK:STDERR: ^~~~~~~~~~~~
// CHECK:STDERR:
fn B(x: ());
fn C();
// CHECK:STDERR: fail_redecl.carbon:[[@LINE+7]]:1: error: redeclaration differs because of parameter count of 1 [RedeclParamCountDiffers]
// CHECK:STDERR: fn C(x: ());
// CHECK:STDERR: ^~~~~~~~~~~~
// CHECK:STDERR: fail_redecl.carbon:[[@LINE-4]]:1: note: previously declared with parameter count of 0 [RedeclParamCountPrevious]
// CHECK:STDERR: fn C();
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR:
fn C(x: ());
fn D() {}
// CHECK:STDERR: fail_redecl.carbon:[[@LINE+7]]:1: error: redeclaration of `fn D` is redundant [RedeclRedundant]
// CHECK:STDERR: fn D();
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR: fail_redecl.carbon:[[@LINE-4]]:1: note: previously declared here [RedeclPrevDecl]
// CHECK:STDERR: fn D() {}
// CHECK:STDERR: ^~~~~~~~
// CHECK:STDERR:
fn D();
fn E() {}
// CHECK:STDERR: fail_redecl.carbon:[[@LINE+7]]:1: error: redefinition of `fn E` [RedeclRedef]
// CHECK:STDERR: fn E() {}
// CHECK:STDERR: ^~~~~~~~
// CHECK:STDERR: fail_redecl.carbon:[[@LINE-4]]:1: note: previously defined here [RedeclPrevDef]
// CHECK:STDERR: fn E() {}
// CHECK:STDERR: ^~~~~~~~
// CHECK:STDERR:
fn E() {}
// CHECK:STDOUT: --- fail_redecl.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %A.type: type = fn_type @A [template]
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [template]
// CHECK:STDOUT: %A: %A.type = struct_value () [template]
// CHECK:STDOUT: %B.type: type = fn_type @B [template]
// CHECK:STDOUT: %B: %B.type = struct_value () [template]
// CHECK:STDOUT: %C.type: type = fn_type @C [template]
// CHECK:STDOUT: %C: %C.type = struct_value () [template]
// CHECK:STDOUT: %.type.b6a92a.1: type = fn_type @.1 [template]
// CHECK:STDOUT: %.d852be.1: %.type.b6a92a.1 = struct_value () [template]
// CHECK:STDOUT: %D.type: type = fn_type @D [template]
// CHECK:STDOUT: %D: %D.type = struct_value () [template]
// CHECK:STDOUT: %E.type: type = fn_type @E [template]
// CHECK:STDOUT: %E: %E.type = struct_value () [template]
// CHECK:STDOUT: %.type.b6a92a.2: type = fn_type @.2 [template]
// CHECK:STDOUT: %.d852be.2: %.type.b6a92a.2 = struct_value () [template]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [template] {
// CHECK:STDOUT: .A = %A.decl.loc11
// CHECK:STDOUT: .B = %B.decl.loc21
// CHECK:STDOUT: .C = %C.decl
// CHECK:STDOUT: .D = %D.decl.loc41
// CHECK:STDOUT: .E = %E.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %A.decl.loc11: %A.type = fn_decl @A [template = constants.%A] {} {}
// CHECK:STDOUT: %A.decl.loc19: %A.type = fn_decl @A [template = constants.%A] {} {}
// CHECK:STDOUT: %B.decl.loc21: %B.type = fn_decl @B [template = constants.%B] {
// CHECK:STDOUT: %x.patt: %empty_tuple.type = binding_pattern x
// CHECK:STDOUT: %x.param_patt: %empty_tuple.type = value_param_pattern %x.patt, runtime_param0
// CHECK:STDOUT: } {
// CHECK:STDOUT: %x.param.loc21: %empty_tuple.type = value_param runtime_param0
// CHECK:STDOUT: %.loc21_10.1: type = splice_block %.loc21_10.3 [template = constants.%empty_tuple.type] {
// CHECK:STDOUT: %.loc21_10.2: %empty_tuple.type = tuple_literal ()
// CHECK:STDOUT: %.loc21_10.3: type = converted %.loc21_10.2, constants.%empty_tuple.type [template = constants.%empty_tuple.type]
// CHECK:STDOUT: }
// CHECK:STDOUT: %x.loc21: %empty_tuple.type = bind_name x, %x.param.loc21
// CHECK:STDOUT: }
// CHECK:STDOUT: %B.decl.loc29: %B.type = fn_decl @B [template = constants.%B] {
// CHECK:STDOUT: %x.patt: %empty_tuple.type = binding_pattern x
// CHECK:STDOUT: %x.param_patt: %empty_tuple.type = value_param_pattern %x.patt, runtime_param0
// CHECK:STDOUT: } {
// CHECK:STDOUT: %x.param.loc29: %empty_tuple.type = value_param runtime_param0
// CHECK:STDOUT: %.loc29_10.1: type = splice_block %.loc29_10.3 [template = constants.%empty_tuple.type] {
// CHECK:STDOUT: %.loc29_10.2: %empty_tuple.type = tuple_literal ()
// CHECK:STDOUT: %.loc29_10.3: type = converted %.loc29_10.2, constants.%empty_tuple.type [template = constants.%empty_tuple.type]
// CHECK:STDOUT: }
// CHECK:STDOUT: %x.loc29: %empty_tuple.type = bind_name x, %x.param.loc29
// CHECK:STDOUT: }
// CHECK:STDOUT: %C.decl: %C.type = fn_decl @C [template = constants.%C] {} {}
// CHECK:STDOUT: %.decl.loc39: %.type.b6a92a.1 = fn_decl @.1 [template = constants.%.d852be.1] {
// CHECK:STDOUT: %x.patt: %empty_tuple.type = binding_pattern x
// CHECK:STDOUT: %x.param_patt: %empty_tuple.type = value_param_pattern %x.patt, runtime_param0
// CHECK:STDOUT: } {
// CHECK:STDOUT: %x.param: %empty_tuple.type = value_param runtime_param0
// CHECK:STDOUT: %.loc39_10.1: type = splice_block %.loc39_10.3 [template = constants.%empty_tuple.type] {
// CHECK:STDOUT: %.loc39_10.2: %empty_tuple.type = tuple_literal ()
// CHECK:STDOUT: %.loc39_10.3: type = converted %.loc39_10.2, constants.%empty_tuple.type [template = constants.%empty_tuple.type]
// CHECK:STDOUT: }
// CHECK:STDOUT: %x: %empty_tuple.type = bind_name x, %x.param
// CHECK:STDOUT: }
// CHECK:STDOUT: %D.decl.loc41: %D.type = fn_decl @D [template = constants.%D] {} {}
// CHECK:STDOUT: %D.decl.loc49: %D.type = fn_decl @D [template = constants.%D] {} {}
// CHECK:STDOUT: %E.decl: %E.type = fn_decl @E [template = constants.%E] {} {}
// CHECK:STDOUT: %.decl.loc59: %.type.b6a92a.2 = fn_decl @.2 [template = constants.%.d852be.2] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @A();
// CHECK:STDOUT:
// CHECK:STDOUT: fn @B(%x.param_patt: %empty_tuple.type);
// CHECK:STDOUT:
// CHECK:STDOUT: fn @C();
// CHECK:STDOUT:
// CHECK:STDOUT: fn @.1(%x.param_patt: %empty_tuple.type);
// CHECK:STDOUT:
// CHECK:STDOUT: fn @D() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @E() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @.2() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
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