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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
commit | 698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch) | |
tree | 173a775858bd501c378080a10dca74132f05bc50 /src/test/ui/transmute/transmute-type-parameters.rs | |
parent | Initial commit. (diff) | |
download | rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip |
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/ui/transmute/transmute-type-parameters.rs')
-rw-r--r-- | src/test/ui/transmute/transmute-type-parameters.rs | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/src/test/ui/transmute/transmute-type-parameters.rs b/src/test/ui/transmute/transmute-type-parameters.rs new file mode 100644 index 000000000..5f44b2d0f --- /dev/null +++ b/src/test/ui/transmute/transmute-type-parameters.rs @@ -0,0 +1,44 @@ +// Tests that `transmute` cannot be called on type parameters. + +use std::mem::transmute; + +unsafe fn f<T>(x: T) { + let _: i32 = transmute(x); +//~^ ERROR cannot transmute between types of different sizes, or dependently-sized types +} + +unsafe fn g<T>(x: (T, i32)) { + let _: i32 = transmute(x); +//~^ ERROR cannot transmute between types of different sizes, or dependently-sized types +} + +unsafe fn h<T>(x: [T; 10]) { + let _: i32 = transmute(x); +//~^ ERROR cannot transmute between types of different sizes, or dependently-sized types +} + +struct Bad<T> { + f: T, +} + +unsafe fn i<T>(x: Bad<T>) { + let _: i32 = transmute(x); +//~^ ERROR cannot transmute between types of different sizes, or dependently-sized types +} + +enum Worse<T> { + A(T), + B, +} + +unsafe fn j<T>(x: Worse<T>) { + let _: i32 = transmute(x); +//~^ ERROR cannot transmute between types of different sizes, or dependently-sized types +} + +unsafe fn k<T>(x: Option<T>) { + let _: i32 = transmute(x); +//~^ ERROR cannot transmute between types of different sizes, or dependently-sized types +} + +fn main() {} |