Remove the workaround for gh32959

src/librustc_mir/build/block.rs

@@ -16,8 +16,6 @@ use rustc::hir;
 impl<'a, 'gcx, 'tcx> Builder<'a, 'gcx, 'tcx> {
     pub fn ast_block(&mut self,
                      destination: &Lvalue<'tcx>,
-                     // FIXME(#32959): temporary measure for the issue
-                     dest_is_unit: bool,
                      mut block: BasicBlock,
                      ast_block: &'tcx hir::Block)
                      -> BlockAnd<()> {
@@ -83,8 +81,7 @@ impl<'a, 'gcx, 'tcx> Builder<'a, 'gcx, 'tcx> {
             // of the block.
             if let Some(expr) = expr {
                 unpack!(block = this.into(destination, block, expr));
-            } else if dest_is_unit {
-                // FIXME(#31472)
+            } else {
                 let source_info = this.source_info(span);
                 this.cfg.push_assign_unit(block, source_info, destination);
             }

src/librustc_mir/build/expr/into.rs

@@ -40,7 +40,7 @@ impl<'a, 'gcx, 'tcx> Builder<'a, 'gcx, 'tcx> {
                 this.in_scope(extent, block, |this| this.into(destination, block, value))
             }
             ExprKind::Block { body: ast_block } => {
-                this.ast_block(destination, expr.ty.is_nil(), block, ast_block)
+                this.ast_block(destination, block, ast_block)
             }
             ExprKind::Match { discriminant, arms } => {
                 this.match_expr(destination, expr_span, block, discriminant, arms)