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Diffstat (limited to 'compiler/rustc_mir/src/transform/mod.rs')
| -rw-r--r-- | compiler/rustc_mir/src/transform/mod.rs | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/compiler/rustc_mir/src/transform/mod.rs b/compiler/rustc_mir/src/transform/mod.rs index 03e27991d93..a9bc11502bb 100644 --- a/compiler/rustc_mir/src/transform/mod.rs +++ b/compiler/rustc_mir/src/transform/mod.rs @@ -542,6 +542,9 @@ fn inner_optimized_mir(tcx: TyCtxt<'_>, did: LocalDefId) -> Body<'_> { } match tcx.hir().body_const_context(did) { + /// Run the `mir_for_ctfe` query, which depends on `mir_drops_elaborated_and_const_checked` + /// which we are going to steal below. Thus we need to run `mir_for_ctfe` first, so it + /// computes and caches its result. Some(hir::ConstContext::ConstFn) => tcx.ensure().mir_for_ctfe(did), None => {} Some(other) => panic!("do not use `optimized_mir` for constants: {:?}", other), |