Fix panic on unaligned packed attribute

lnicola · lnicola · commit 30e17e377c32 · 2024-01-06T19:54:57.000+02:00
diff --git a/crates/hir-def/src/data/adt.rs b/crates/hir-def/src/data/adt.rs
@@ -128,7 +128,7 @@ fn parse_repr_tt(tt: &Subtree) -> Option<ReprOptions> {
                     } else {
                         0
                     };
-                    let pack = Align::from_bytes(pack).unwrap();
+                    let pack = Align::from_bytes(pack).unwrap_or(Align::ONE);
                     min_pack =
                         Some(if let Some(min_pack) = min_pack { min_pack.min(pack) } else { pack });
                     ReprFlags::empty()

Original file line number	Diff line number	Diff line change
`@@ -128,7 +128,7 @@ fn parse_repr_tt(tt: &Subtree) -> Option<ReprOptions> {`
`128`	`128`	`} else {`
`129`	`129`	`0`
`130`	`130`	`};`
`131`		`- let pack = Align::from_bytes(pack).unwrap();`
	`131`	`+ let pack = Align::from_bytes(pack).unwrap_or(Align::ONE);`
`132`	`132`	`min_pack =`
`133`	`133`	`Some(if let Some(min_pack) = min_pack { min_pack.min(pack) } else { pack });`
`134`	`134`	`ReprFlags::empty()`