test/behavior/switch_on_captured_error.zig                                              | 750 ++++++++++++++++++++++++++++++++
 test/cases/compile_errors/switch_expression-duplicate_error_prong.zig                   |  33 ++
 test/cases/compile_errors/switch_expression-duplicate_error_prong_when_else_present.zig |  35 ++
 test/cases/compile_errors/switch_expression-missing_error_prong.zig                     |  33 ++
 test/cases/compile_errors/switch_expression-multiple_else_prongs.zig                    |  20 +
 test/cases/compile_errors/switch_expression-unreachable_else_prong_error.zig            |  32 ++
 test/cases/compile_errors/switch_on_error_union_discard.zig                             |  12 +
 test/cases/compile_errors/switch_on_error_with_1_field_with_no_prongs.zig               |  20 +
 8 files changed, 935 insertions(+)