check 'size multiple of align' for all layouts

2022-07-28 16:59:55 -04:00 · 2022-07-28 16:59:55 -04:00 · 98e52c2a27
commit 98e52c2a27
parent a2318651d4
1 changed files with 4 additions and 0 deletions
--- a/compiler/rustc_middle/src/ty/layout.rs
+++ b/compiler/rustc_middle/src/ty/layout.rs
@ -232,6 +232,10 @@ fn sanity_check_layout<'tcx>(
        assert!(layout.abi.is_uninhabited());
    }

+    if layout.size.bytes() % layout.align.abi.bytes() != 0 {
+        bug!("size is not a multiple of align, in the following layout:\n{layout:#?}");
+    }
+
    if cfg!(debug_assertions) {
        fn check_layout_abi<'tcx>(tcx: TyCtxt<'tcx>, layout: Layout<'tcx>) {
            match layout.abi() {