Fix ICE on unsized locals

Fixes #1312
2022-12-16 09:41:36 +00:00 · 2022-12-16 09:41:36 +00:00 · 9ca82a9a3d
commit 9ca82a9a3d
parent a501d96f33
1 changed files with 6 additions and 0 deletions
--- 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)