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Rust: Disambiguate types inferred from trait bounds

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This commit is contained in:
Tom Hvitved
2026-03-17 20:02:01 +01:00
parent 98d8cd1d6d
commit 7fc1d53ede
7 changed files with 469 additions and 171 deletions
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6
rust/ql/test/library-tests/type-inference/overloading.rs
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@@ -509,15 +509,15 @@ mod trait_bound_impl_overlap {
fn test() {
let x = S(0);
let y = call_f(x); // $ target=call_f type=y:i32 $ SPURIOUS: type=y:i64
let y = call_f(x); // $ target=call_f type=y:i32
let z: i32 = y;
let x = S(0);
let y = call_f::<i32, _>(x); // $ target=call_f type=y:i32
let x = S(0);
let y = call_f2(S(0i32), x); // $ target=call_f2 type=y:i32 $ SPURIOUS: type=y:i64
let y = call_f2(S(0i32), x); // $ target=call_f2 type=y:i32
let x = S(0);
let y = call_f2(S(0i64), x); // $ target=call_f2 type=y:i64 $ SPURIOUS: type=y:i32
let y = call_f2(S(0i64), x); // $ target=call_f2 type=y:i64
}
}

9
rust/ql/test/library-tests/type-inference/type-inference.expected
View File

@@ -10775,7 +10775,6 @@ inferType
| main.rs:2032:56:2034:9 | { ... } | | {EXTERNAL LOCATION} | & |
| main.rs:2032:56:2034:9 | { ... } | TRef | main.rs:2028:10:2028:10 | T |
| main.rs:2033:13:2033:29 | &... | | {EXTERNAL LOCATION} | & |
| main.rs:2033:13:2033:29 | &... | TRef | {EXTERNAL LOCATION} | u8 |
| main.rs:2033:13:2033:29 | &... | TRef | main.rs:2028:10:2028:10 | T |
| main.rs:2033:14:2033:17 | self | | {EXTERNAL LOCATION} | & |
| main.rs:2033:14:2033:17 | self | TRef | main.rs:2013:5:2016:5 | MyVec |
@@ -10783,7 +10782,6 @@ inferType
| main.rs:2033:14:2033:22 | self.data | | {EXTERNAL LOCATION} | Vec |
| main.rs:2033:14:2033:22 | self.data | A | {EXTERNAL LOCATION} | Global |
| main.rs:2033:14:2033:22 | self.data | T | main.rs:2028:10:2028:10 | T |
| main.rs:2033:14:2033:29 | ...[index] | | {EXTERNAL LOCATION} | u8 |
| main.rs:2033:14:2033:29 | ...[index] | | main.rs:2028:10:2028:10 | T |
| main.rs:2033:24:2033:28 | index | | {EXTERNAL LOCATION} | usize |
| main.rs:2037:22:2037:26 | slice | | {EXTERNAL LOCATION} | & |
@@ -12931,14 +12929,11 @@ inferType
| overloading.rs:511:17:511:20 | S(...) | T | {EXTERNAL LOCATION} | i32 |
| overloading.rs:511:19:511:19 | 0 | | {EXTERNAL LOCATION} | i32 |
| overloading.rs:512:13:512:13 | y | | {EXTERNAL LOCATION} | i32 |
| overloading.rs:512:13:512:13 | y | | {EXTERNAL LOCATION} | i64 |
| overloading.rs:512:17:512:25 | call_f(...) | | {EXTERNAL LOCATION} | i32 |
| overloading.rs:512:17:512:25 | call_f(...) | | {EXTERNAL LOCATION} | i64 |
| overloading.rs:512:24:512:24 | x | | overloading.rs:464:5:464:19 | S |
| overloading.rs:512:24:512:24 | x | T | {EXTERNAL LOCATION} | i32 |
| overloading.rs:513:13:513:13 | z | | {EXTERNAL LOCATION} | i32 |
| overloading.rs:513:22:513:22 | y | | {EXTERNAL LOCATION} | i32 |
| overloading.rs:513:22:513:22 | y | | {EXTERNAL LOCATION} | i64 |
| overloading.rs:515:13:515:13 | x | | overloading.rs:464:5:464:19 | S |
| overloading.rs:515:13:515:13 | x | T | {EXTERNAL LOCATION} | i32 |
| overloading.rs:515:17:515:20 | S(...) | | overloading.rs:464:5:464:19 | S |
@@ -12954,9 +12949,7 @@ inferType
| overloading.rs:518:17:518:20 | S(...) | T | {EXTERNAL LOCATION} | i32 |
| overloading.rs:518:19:518:19 | 0 | | {EXTERNAL LOCATION} | i32 |
| overloading.rs:519:13:519:13 | y | | {EXTERNAL LOCATION} | i32 |
| overloading.rs:519:13:519:13 | y | | {EXTERNAL LOCATION} | i64 |
| overloading.rs:519:17:519:35 | call_f2(...) | | {EXTERNAL LOCATION} | i32 |
| overloading.rs:519:17:519:35 | call_f2(...) | | {EXTERNAL LOCATION} | i64 |
| overloading.rs:519:25:519:31 | S(...) | | overloading.rs:464:5:464:19 | S |
| overloading.rs:519:25:519:31 | S(...) | T | {EXTERNAL LOCATION} | i32 |
| overloading.rs:519:27:519:30 | 0i32 | | {EXTERNAL LOCATION} | i32 |
@@ -12967,9 +12960,7 @@ inferType
| overloading.rs:520:17:520:20 | S(...) | | overloading.rs:464:5:464:19 | S |
| overloading.rs:520:17:520:20 | S(...) | T | {EXTERNAL LOCATION} | i32 |
| overloading.rs:520:19:520:19 | 0 | | {EXTERNAL LOCATION} | i32 |
| overloading.rs:521:13:521:13 | y | | {EXTERNAL LOCATION} | i32 |
| overloading.rs:521:13:521:13 | y | | {EXTERNAL LOCATION} | i64 |
| overloading.rs:521:17:521:35 | call_f2(...) | | {EXTERNAL LOCATION} | i32 |
| overloading.rs:521:17:521:35 | call_f2(...) | | {EXTERNAL LOCATION} | i64 |
| overloading.rs:521:25:521:31 | S(...) | | overloading.rs:464:5:464:19 | S |
| overloading.rs:521:25:521:31 | S(...) | T | {EXTERNAL LOCATION} | i64 |