bjoernager/rust
bjoernager/rust
1
Fork 0
Code Activity

Clarify a statement in UB test

Browse source
This commit is contained in:
Oliver Scherer 2020-08-10 12:08:52 +02:00
parent 48f366fced
commit a6c60bbe5d
1 changed files with 3 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

4
src/test/ui/consts/const-eval/double_check2.rs
View file

@ -1,7 +1,9 @@
// check-pass // check-pass
// This test exhibits undefined behavior, but it is impossible to prevent generally during // This test exhibits undefined behavior, but it is impossible to prevent generally during
// const eval, even if possible to prevent in the cases here. The reason it's impossible in general // const eval, even if it could be prevented in the cases here if we added expensive and
// complex checks in rustc.
// The reason it's impossible in general
// is that we run into query cycles even *without* UB, just because we're checking for UB. // is that we run into query cycles even *without* UB, just because we're checking for UB.
// We do not detect it if you create references to statics // We do not detect it if you create references to statics
// in ways that are UB. // in ways that are UB.