Bug #20341: Parser segfault with shareable constant with array of more than 1 element

• Status: Closed
• Assignee: -
• Target version: -
• Backport: 3.0: UNKNOWN, 3.1: UNKNOWN, 3.2: UNKNOWN, 3.3: UNKNOWN

[kddnewton (Kevin Newton)]

# shareable_constant_value: literal
C = [foo, bar]

results in

./ruby: [BUG] unexpected node: NODE_LIT

[yui-knk (Kaneko Yuichiro)]

• Status changed from Open to Closed

Applied in changeset git|8ba4d7d75fd231b61727eb0561eb686c1d67bfd4.

---

Fix unexpected node bug for shareable_constant_value: literal

[Bug #20339]
[Bug #20341]

const_decl_path changes the value of NODE **dest, LHS of an assignment,
with NODE_LIT created by const_decl_path. shareable_literal_constant calls
const_decl_path via ensure_shareable_node multiple times if RHS of an assignment
is array or hash. This means NODE **dest argument of const_decl_path can be NODE_LIT
from the second time then causes [BUG] unexpected node: NODE_LIT in
rb_node_const_decl_val.
This commit change to not update NODE **dest in const_decl_path to
fix the issue.