diff options
Diffstat (limited to 'compiler/rustc_middle/src/query/mod.rs')
| -rw-r--r-- | compiler/rustc_middle/src/query/mod.rs | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/compiler/rustc_middle/src/query/mod.rs b/compiler/rustc_middle/src/query/mod.rs index 0d5fba3cc69..dfd877c0b86 100644 --- a/compiler/rustc_middle/src/query/mod.rs +++ b/compiler/rustc_middle/src/query/mod.rs @@ -1894,6 +1894,11 @@ rustc_queries! { // The macro which defines `rustc_metadata::provide_extern` depends on this query's name. // Changing the name should cause a compiler error, but in case that changes, be aware. + // + // The hash should not be calculated before the `analysis` pass is complete, specifically + // until `tcx.untracked().definitions.freeze()` has been called, otherwise if incremental + // compilation is enabled calculating this hash can freeze this structure too early in + // compilation and cause subsequent crashes when attempting to write to `definitions` query crate_hash(_: CrateNum) -> Svh { eval_always desc { "looking up the hash a crate" } |