Fix ICE on unsized locals

Fixes #1312
rust-lang · Dec 16, 2022 · 9ca82a9 · 9ca82a9
1 parent a501d96
commit 9ca82a9
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/src/abi/mod.rs b/src/abi/mod.rs
@@ -161,6 +161,12 @@ fn make_local_place<'tcx>(
     layout: TyAndLayout<'tcx>,
     is_ssa: bool,
 ) -> CPlace<'tcx> {
+    if layout.is_unsized() {
+        fx.tcx.sess.span_fatal(
+            fx.mir.local_decls[local].source_info.span,
+            "unsized locals are not yet supported",
+        );
+    }
     let place = if is_ssa {
         if let rustc_target::abi::Abi::ScalarPair(_, _) = layout.abi {
             CPlace::new_var_pair(fx, local, layout)