Add FIXME

rust-lang · Mar 6, 2020 · 40809b0 · 40809b0
1 parent 9712fa4
commit 40809b0
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/librustc_mir/interpret/place.rs b/src/librustc_mir/interpret/place.rs
@@ -413,6 +413,8 @@ where
                 // This is a narrow bug-fix for rust-lang/rust#69191: if we are
                 // trying to access absent field of uninhabited variant, then
                 // signal UB (but don't ICE the compiler).
+                // FIXME temporary hack to work around incoherence between
+                // layout computation and MIR building
                 if field >= count as u64 && base.layout.abi == layout::Abi::Uninhabited {
                     throw_ub!(Unreachable);
                 }