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Make sure casting to unsigned types performs zero-extension

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Closes #2696
This commit is contained in:
ayazhafiz 2022-03-10 17:39:37 -06:00
parent a412cddec2
commit a90bba3d1d
9 changed files with 67 additions and 16 deletions
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6
compiler/gen_llvm/src/llvm/refcounting.rs
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@ -1699,9 +1699,9 @@ fn modify_refcount_union_help<'a, 'ctx, 'env>(
.build_load(tag_id_ptr, "load_tag_id")
.into_int_value();
let tag_id_u8 = env
.builder
.build_int_cast(tag_id, env.context.i8_type(), "tag_id_u8");
let tag_id_u8 =
env.builder
.build_int_cast_sign_flag(tag_id, env.context.i8_type(), false, "tag_id_u8");
// next, make a jump table for all possible values of the tag_id
let mut cases = Vec::with_capacity_in(tags.len(), env.arena);