diff options
Diffstat (limited to 'cfrontend/Clight.v')
| -rw-r--r-- | cfrontend/Clight.v | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/cfrontend/Clight.v b/cfrontend/Clight.v index f402ac2..59c056d 100644 --- a/cfrontend/Clight.v +++ b/cfrontend/Clight.v @@ -220,8 +220,8 @@ Inductive assign_loc (ty: type) (m: mem) (b: block) (ofs: int): assign_loc ty m b ofs v m' | assign_loc_copy: forall b' ofs' bytes m', access_mode ty = By_copy -> - (alignof_blockcopy ty | Int.unsigned ofs') -> - (alignof_blockcopy ty | Int.unsigned ofs) -> + (sizeof ty > 0 -> (alignof_blockcopy ty | Int.unsigned ofs')) -> + (sizeof ty > 0 -> (alignof_blockcopy ty | Int.unsigned ofs)) -> b' <> b \/ Int.unsigned ofs' = Int.unsigned ofs \/ Int.unsigned ofs' + sizeof ty <= Int.unsigned ofs \/ Int.unsigned ofs + sizeof ty <= Int.unsigned ofs' -> |