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Consistently triggering null pointer bug

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This commit is contained in:
Joshua Hoeflich 2021-08-10 10:51:15 -05:00
parent 945212db28
commit 05d87314e7
2 changed files with 61 additions and 7 deletions
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32
compiler/can/src/builtins.rs
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@ -1557,6 +1557,7 @@ fn str_from_utf8_range(symbol: Symbol, var_store: &mut VarStore) -> Def {
let start_var = var_store.fresh();
let start_bool = var_store.fresh();
let add_var = var_store.fresh();
let body = If {
cond_var: start_bool,
@ -1567,12 +1568,31 @@ fn str_from_utf8_range(symbol: Symbol, var_store: &mut VarStore) -> Def {
args: vec![
(
start_var,
Access {
record_var: arg_record_var,
ext_var: var_store.fresh(),
field: "start".into(),
field_var: var_store.fresh(),
loc_expr: Box::new(no_region(Var(Symbol::ARG_2))),
RunLowLevel {
op: LowLevel::NumAdd,
args: vec![
(
add_var,
Access {
record_var: arg_record_var,
ext_var: var_store.fresh(),
field: "start".into(),
field_var: var_store.fresh(),
loc_expr: Box::new(no_region(Var(Symbol::ARG_2))),
},
),
(
add_var,
Access {
record_var: arg_record_var,
ext_var: var_store.fresh(),
field: "count".into(),
field_var: var_store.fresh(),
loc_expr: Box::new(no_region(Var(Symbol::ARG_2))),
},
),
],
ret_var: add_var,
},
),
(