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Diffstat (limited to '')
-rw-r--r-- | src/test/ui/consts/miri_unleashed/ptr_arith.rs | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/src/test/ui/consts/miri_unleashed/ptr_arith.rs b/src/test/ui/consts/miri_unleashed/ptr_arith.rs new file mode 100644 index 000000000..13e6af36e --- /dev/null +++ b/src/test/ui/consts/miri_unleashed/ptr_arith.rs @@ -0,0 +1,22 @@ +// compile-flags: -Zunleash-the-miri-inside-of-you +#![feature(core_intrinsics)] +#![allow(const_err)] + +// During CTFE, we prevent pointer-to-int casts. +// Pointer comparisons are prevented in the trait system. + +static PTR_INT_CAST: () = { + let x = &0 as *const _ as usize; + //~^ ERROR could not evaluate static initializer + //~| "exposing pointers" needs an rfc before being allowed inside constants + let _v = x == x; +}; + +static PTR_INT_TRANSMUTE: () = unsafe { + let x: usize = std::mem::transmute(&0); + let _v = x + 0; + //~^ ERROR could not evaluate static initializer + //~| unable to turn pointer into raw bytes +}; + +fn main() {} |