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97 lines
3.5 KiB
Rust
97 lines
3.5 KiB
Rust
enum Enum {
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//~^ ERROR discriminant value `3` assigned more than once
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P = 3,
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//~^ NOTE `3` assigned here
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X = 3,
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//~^ NOTE `3` assigned here
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Y = 5
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}
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#[repr(u8)]
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enum EnumOverflowRepr {
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//~^ ERROR discriminant value `1` assigned more than once
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P = 257,
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//~^ NOTE `1` (overflowed from `257`) assigned here
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X = 513,
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//~^ NOTE `1` (overflowed from `513`) assigned here
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}
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#[repr(i8)]
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enum NegDisEnum {
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//~^ ERROR discriminant value `-1` assigned more than once
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First = -1,
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//~^ NOTE `-1` assigned here
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Second = -2,
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//~^ NOTE discriminant for `Last` incremented from this startpoint (`Second` + 1 variant later => `Last` = -1)
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Last,
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//~^ NOTE `-1` assigned here
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}
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enum MultipleDuplicates {
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//~^ ERROR discriminant value `0` assigned more than once
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//~^^ ERROR discriminant value `-2` assigned more than once
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V0,
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//~^ NOTE `0` assigned here
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V1 = 0,
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//~^ NOTE `0` assigned here
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V2,
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V3,
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V4 = 0,
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//~^ NOTE `0` assigned here
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V5 = -2,
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//~^ NOTE discriminant for `V7` incremented from this startpoint (`V5` + 2 variants later => `V7` = 0)
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//~^^ NOTE `-2` assigned here
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V6,
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V7,
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//~^ NOTE `0` assigned here
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V8 = -3,
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//~^ NOTE discriminant for `V9` incremented from this startpoint (`V8` + 1 variant later => `V9` = -2)
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V9,
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//~^ NOTE `-2` assigned here
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}
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// Test for #131902
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// Ensure that casting an enum with too many variants for its repr
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// does not ICE
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#[repr(u8)]
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enum TooManyVariants {
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//~^ ERROR discriminant value `0` assigned more than once
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X000, X001, X002, X003, X004, X005, X006, X007, X008, X009,
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//~^ NOTE `0` assigned here
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//~| NOTE discriminant for `X256` incremented from this startpoint
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X010, X011, X012, X013, X014, X015, X016, X017, X018, X019,
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X020, X021, X022, X023, X024, X025, X026, X027, X028, X029,
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X030, X031, X032, X033, X034, X035, X036, X037, X038, X039,
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X040, X041, X042, X043, X044, X045, X046, X047, X048, X049,
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X050, X051, X052, X053, X054, X055, X056, X057, X058, X059,
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X060, X061, X062, X063, X064, X065, X066, X067, X068, X069,
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X070, X071, X072, X073, X074, X075, X076, X077, X078, X079,
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X080, X081, X082, X083, X084, X085, X086, X087, X088, X089,
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X090, X091, X092, X093, X094, X095, X096, X097, X098, X099,
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X100, X101, X102, X103, X104, X105, X106, X107, X108, X109,
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X110, X111, X112, X113, X114, X115, X116, X117, X118, X119,
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X120, X121, X122, X123, X124, X125, X126, X127, X128, X129,
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X130, X131, X132, X133, X134, X135, X136, X137, X138, X139,
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X140, X141, X142, X143, X144, X145, X146, X147, X148, X149,
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X150, X151, X152, X153, X154, X155, X156, X157, X158, X159,
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X160, X161, X162, X163, X164, X165, X166, X167, X168, X169,
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X170, X171, X172, X173, X174, X175, X176, X177, X178, X179,
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X180, X181, X182, X183, X184, X185, X186, X187, X188, X189,
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X190, X191, X192, X193, X194, X195, X196, X197, X198, X199,
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X200, X201, X202, X203, X204, X205, X206, X207, X208, X209,
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X210, X211, X212, X213, X214, X215, X216, X217, X218, X219,
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X220, X221, X222, X223, X224, X225, X226, X227, X228, X229,
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X230, X231, X232, X233, X234, X235, X236, X237, X238, X239,
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X240, X241, X242, X243, X244, X245, X246, X247, X248, X249,
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X250, X251, X252, X253, X254, X255,
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X256,
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//~^ ERROR enum discriminant overflowed
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//~| NOTE overflowed on value after 255
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//~| NOTE explicitly set `X256 = 0`
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//~| NOTE `0` assigned here
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}
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fn main() {
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TooManyVariants::X256 as u8;
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}
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