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Declare some unconst operations as unsafe in const fn

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This commit is contained in:
Oliver Scherer 2018-12-07 18:26:46 +01:00
parent 64afc6b517
commit aedc3a51df
17 changed files with 187 additions and 98 deletions
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2
src/test/ui/error-codes/E0395.rs
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@ -3,6 +3,6 @@
static FOO: i32 = 42;
static BAR: i32 = 42;
static BAZ: bool = { (&FOO as *const i32) == (&BAR as *const i32) }; //~ ERROR issue #53020
static BAZ: bool = unsafe { (&FOO as *const i32) == (&BAR as *const i32) }; //~ ERROR issue #53020
fn main() {
}

6
src/test/ui/error-codes/E0395.stderr
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@ -1,8 +1,8 @@
error[E0658]: comparing raw pointers inside static (see issue #53020)
--> $DIR/E0395.rs:6:22
--> $DIR/E0395.rs:6:29
|
LL | static BAZ: bool = { (&FOO as *const i32) == (&BAR as *const i32) }; //~ ERROR issue #53020
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
LL | static BAZ: bool = unsafe { (&FOO as *const i32) == (&BAR as *const i32) }; //~ ERROR issue #53020
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= help: add #![feature(const_compare_raw_pointers)] to the crate attributes to enable