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Fix a comment that only made sense in the context of a dataflow based…
… mutability check
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oli-obk committed Jan 23, 2021
1 parent b217fab commit 3cd0b46
Showing 1 changed file with 2 additions and 3 deletions.
5 changes: 2 additions & 3 deletions src/test/ui/consts/const-mut-refs/mut_ref_in_final.rs
Expand Up @@ -9,9 +9,8 @@ const A: *const i32 = &4;
// as that would be an enormous footgun in oli-obk's opinion.
const B: *mut i32 = &mut 4; //~ ERROR mutable references are not allowed

// Could be ok, but the same analysis that prevents the mutable one above will also bail out here
// Using a block with some complex content, because just `&45` would get promoted,
// which is not what we want to test here.
// Ok, because no references to mutable data exist here, since the `{}` moves
// its value and then takes a reference to that.
const C: *const i32 = &{
let mut x = 42;
x += 3;
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