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Merge pull request #465 from Nadrieril/ctor-as-fn
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,17 +1,139 @@ | ||
| error: Casting constructors to function pointers is not supported | ||
| --> /rustc/library/core/src/option.rs:579:5 | ||
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| note: the error occurred when translating `core::option::Option::Some`, which is (transitively) used at the following location(s): | ||
| --> tests/ui/issue-378-ctor-as-fn.rs:3:34 | ||
| | | ||
| 3 | static F: fn(u8) -> Option<u8> = Some; | ||
| | ---- | ||
| 4 | | ||
| 5 | fn main() { | ||
| 6 | let f: fn(u8) -> _ = Some; | ||
| | ---- | ||
| | | ||
| error: Item `core::option::Option::Some::{constructor#0}` caused errors; ignoring. | ||
| --> /rustc/library/core/src/option.rs:579:5 | ||
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| ERROR The extraction generated 2 errors | ||
| # Final LLBC before serialization: | ||
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| trait core::marker::Sized<Self> | ||
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| enum core::option::Option<T> | ||
| where | ||
| [@TraitClause0]: core::marker::Sized<T>, | ||
| = | ||
| | None() | ||
| | Some(T) | ||
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| fn core::option::Option::Some<T>(@1: T) -> core::option::Option<T>[@TraitClause0] | ||
| where | ||
| [@TraitClause0]: core::marker::Sized<T>, | ||
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| fn test_crate::F() -> fn(u8) -> core::option::Option<u8>[core::marker::Sized<u8>] | ||
| { | ||
| let @0: fn(u8) -> core::option::Option<u8>[core::marker::Sized<u8>]; // return | ||
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| @0 := cast<fn(u8) -> core::option::Option<u8>[core::marker::Sized<u8>], fn(u8) -> core::option::Option<u8>[core::marker::Sized<u8>]>(const (core::option::Option::Some<u8>)) | ||
| return | ||
| } | ||
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| global test_crate::F: fn(u8) -> core::option::Option<u8>[core::marker::Sized<u8>] = test_crate::F() | ||
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| opaque type alloc::string::String | ||
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| struct test_crate::Foo = | ||
| { | ||
| u32, | ||
| alloc::string::String, | ||
| } | ||
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| enum test_crate::Bar<'a, T> | ||
| where | ||
| [@TraitClause0]: core::marker::Sized<T>, | ||
| T : 'a, | ||
| = | ||
| | Variant(&'a (T)) | ||
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| fn test_crate::Foo(@1: u32, @2: alloc::string::String) -> test_crate::Foo | ||
| { | ||
| let @0: test_crate::Foo; // return | ||
| let @1: u32; // arg #1 | ||
| let @2: alloc::string::String; // arg #2 | ||
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| @0 := test_crate::Foo { 0: move (@1), 1: move (@2) } | ||
| return | ||
| } | ||
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| fn alloc::string::{alloc::string::String}::new() -> alloc::string::String | ||
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| fn test_crate::Bar::Variant<'a, T>(@1: &'a (T)) -> test_crate::Bar<'a, T>[@TraitClause0] | ||
| where | ||
| [@TraitClause0]: core::marker::Sized<T>, | ||
| T : 'a, | ||
| { | ||
| let @0: test_crate::Bar<'a, T>[@TraitClause0]; // return | ||
| let @1: &'a (T); // arg #1 | ||
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| @0 := test_crate::Bar::Variant { 0: move (@1) } | ||
| return | ||
| } | ||
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| fn test_crate::main() | ||
| { | ||
| let @0: (); // return | ||
| let f@1: fn(u8) -> core::option::Option<u8>[core::marker::Sized<u8>]; // local | ||
| let @2: core::option::Option<u8>[core::marker::Sized<u8>]; // anonymous local | ||
| let @3: fn(u8) -> core::option::Option<u8>[core::marker::Sized<u8>]; // anonymous local | ||
| let f@4: fn(u8) -> core::option::Option<u8>[core::marker::Sized<u8>]; // local | ||
| let @5: fn(u8) -> core::option::Option<u8>[core::marker::Sized<u8>]; // anonymous local | ||
| let @6: core::option::Option<u8>[core::marker::Sized<u8>]; // anonymous local | ||
| let @7: fn(u8) -> core::option::Option<u8>[core::marker::Sized<u8>]; // anonymous local | ||
| let f@8: fn(u32, alloc::string::String) -> test_crate::Foo; // local | ||
| let @9: test_crate::Foo; // anonymous local | ||
| let @10: fn(u32, alloc::string::String) -> test_crate::Foo; // anonymous local | ||
| let @11: alloc::string::String; // anonymous local | ||
| let f@12: fn(&'_ (i32)) -> test_crate::Bar<'_, i32>[core::marker::Sized<i32>]; // local | ||
| let @13: test_crate::Bar<'_, i32>[core::marker::Sized<i32>]; // anonymous local | ||
| let @14: fn(&'_ (i32)) -> test_crate::Bar<'_, i32>[core::marker::Sized<i32>]; // anonymous local | ||
| let @15: &'_ (i32); // anonymous local | ||
| let @16: &'_ (i32); // anonymous local | ||
| let @17: i32; // anonymous local | ||
| let @18: (); // anonymous local | ||
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| f@1 := const (core::option::Option::Some<u8>) | ||
| @fake_read(f@1) | ||
| @3 := copy (f@1) | ||
| @2 := core::option::Option::Some<u8>(const (42 : u8)) | ||
| drop @3 | ||
| @fake_read(@2) | ||
| drop @2 | ||
| @5 := copy (f@1) | ||
| f@4 := cast<fn(u8) -> core::option::Option<u8>[core::marker::Sized<u8>], fn(u8) -> core::option::Option<u8>[core::marker::Sized<u8>]>(move (@5)) | ||
| drop @5 | ||
| @fake_read(f@4) | ||
| @7 := copy (f@4) | ||
| @6 := (move @7)(const (42 : u8)) | ||
| drop @7 | ||
| @fake_read(@6) | ||
| drop @6 | ||
| f@8 := const (test_crate::Foo) | ||
| @fake_read(f@8) | ||
| @10 := copy (f@8) | ||
| @11 := alloc::string::{alloc::string::String}::new() | ||
| @9 := test_crate::Foo(const (42 : u32), move (@11)) | ||
| drop @11 | ||
| drop @10 | ||
| @fake_read(@9) | ||
| drop @9 | ||
| drop @9 | ||
| f@12 := const (test_crate::Bar::Variant<'_, i32>) | ||
| @fake_read(f@12) | ||
| @14 := copy (f@12) | ||
| @17 := const (42 : i32) | ||
| @16 := &@17 | ||
| @15 := &*(@16) | ||
| @13 := test_crate::Bar::Variant<'_, i32>(move (@15)) | ||
| drop @15 | ||
| drop @14 | ||
| @fake_read(@13) | ||
| drop @17 | ||
| drop @16 | ||
| drop @13 | ||
| @18 := () | ||
| @0 := move (@18) | ||
| drop f@12 | ||
| drop f@8 | ||
| drop f@4 | ||
| drop f@1 | ||
| @0 := () | ||
| return | ||
| } | ||
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