diff options
Diffstat (limited to 'compiler/rustc_mir_build/src/build/expr/as_temp.rs')
| -rw-r--r-- | compiler/rustc_mir_build/src/build/expr/as_temp.rs | 25 |
1 files changed, 12 insertions, 13 deletions
diff --git a/compiler/rustc_mir_build/src/build/expr/as_temp.rs b/compiler/rustc_mir_build/src/build/expr/as_temp.rs index 3d3cf7555..c8910c272 100644 --- a/compiler/rustc_mir_build/src/build/expr/as_temp.rs +++ b/compiler/rustc_mir_build/src/build/expr/as_temp.rs @@ -49,29 +49,28 @@ impl<'a, 'tcx> Builder<'a, 'tcx> { } debug!("creating temp {:?} with block_context: {:?}", local_decl, this.block_context); - // Find out whether this temp is being created within the - // tail expression of a block whose result is ignored. - if let Some(tail_info) = this.block_context.currently_in_block_tail() { - local_decl = local_decl.block_tail(tail_info); - } - match expr.kind { + let local_info = match expr.kind { ExprKind::StaticRef { def_id, .. } => { assert!(!this.tcx.is_thread_local_static(def_id)); local_decl.internal = true; - local_decl.local_info = - Some(Box::new(LocalInfo::StaticRef { def_id, is_thread_local: false })); + LocalInfo::StaticRef { def_id, is_thread_local: false } } ExprKind::ThreadLocalRef(def_id) => { assert!(this.tcx.is_thread_local_static(def_id)); local_decl.internal = true; - local_decl.local_info = - Some(Box::new(LocalInfo::StaticRef { def_id, is_thread_local: true })); + LocalInfo::StaticRef { def_id, is_thread_local: true } } ExprKind::NamedConst { def_id, .. } | ExprKind::ConstParam { def_id, .. } => { - local_decl.local_info = Some(Box::new(LocalInfo::ConstRef { def_id })); + LocalInfo::ConstRef { def_id } } - _ => {} - } + // Find out whether this temp is being created within the + // tail expression of a block whose result is ignored. + _ if let Some(tail_info) = this.block_context.currently_in_block_tail() => { + LocalInfo::BlockTailTemp(tail_info) + } + _ => LocalInfo::Boring, + }; + **local_decl.local_info.as_mut().assert_crate_local() = local_info; this.local_decls.push(local_decl) }; let temp_place = Place::from(temp); |