From e0d600ec190c64aff76cfcbd6009cffb927da166 Mon Sep 17 00:00:00 2001 From: Jeremy Evans Date: Wed, 8 Jan 2025 08:49:51 -0800 Subject: Avoid opt_aset_with optimization inside multiple assignment Previously, since the opt_aset_with optimization was introduced, use of the opt_aset_with optimization inside multiple assignment would result in a segfault or incorrect instructions. Fixes [Bug #21012] Co-authored-by: Nobuyoshi Nakada --- test/ruby/test_assignment.rb | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'test/ruby') diff --git a/test/ruby/test_assignment.rb b/test/ruby/test_assignment.rb index 3a8dafb7f0..3d0e773c82 100644 --- a/test/ruby/test_assignment.rb +++ b/test/ruby/test_assignment.rb @@ -248,6 +248,16 @@ class TestAssignment < Test::Unit::TestCase a,b,*c = *[*[1,2]]; assert_equal([1,2,[]], [a,b,c]) end + def test_massign_optimized_literal_bug_21012 + a = [] + def a.[]=(*args) + push args + end + a["a", "b"], = 1 + a["a", 10], = 2 + assert_equal [["a", "b", 1], ["a", 10, 2]], a + end + def test_assign_rescue a = raise rescue 2; assert_equal(2, a) a, b = raise rescue [3,4]; assert_equal([3, 4], [a, b]) -- cgit v1.2.3