Raise RuntimeError if Kernel#binding is called from a non-Ruby frame

Check whether the current or previous frame is a Ruby frame in
call_trace_func before attempting to create a binding for the frame.

Fixes [Bug #18487]

Co-authored-by: Alan Wu <XrXr@users.noreply.github.com>

1 files changed, 0 insertions, 31 deletions

diff --git a/bootstraptest/test_yjit.rb b/bootstraptest/test_yjit.rb
index d124d180d1..a84a9e035a 100644
--- a/bootstraptest/test_yjit.rb
+++ b/bootstraptest/test_yjit.rb
@@ -1,34 +1,3 @@
-assert_equal '2022', %q{
- def contrivance(hash, key)
-    # Expect this to compile to an `opt_aref`.
-    hash[key]
-
-    # The [] call above tracks that the `hash` local has a VALUE that
-    # is a heap pointer and the guard for the Kernel#itself call below
-    # doesn't check that it's a heap pointer VALUE.
-    #
-    # As you can see from the crash, the call to rb_hash_aref() can set the
-    # `hash` local, making eliding the heap object guard unsound.
-    hash.itself
-  end
-
-  # This is similar to ->(recv, mid) { send(recv, mid).local_variable_set(...) }.
-  # By composing we avoid creating new Ruby frames and so sending :binding
-  # captures the environment of the frame that does the missing key lookup.
-  # We use it to capture the environment inside of `contrivance`.
-  cap_then_set =
-    Kernel.instance_method(:send).method(:bind_call).to_proc >>
-      ->(binding) { binding.local_variable_set(:hash, 2022) }
-  special_missing = Hash.new(&cap_then_set)
-
-  # Make YJIT speculate that it's a hash and generate code
-  # that calls rb_hash_aref().
-  contrivance({}, :warmup)
-  contrivance({}, :warmup)
-
-  contrivance(special_missing, :binding)
-}
-
 assert_equal '18374962167983112447', %q{
   # regression test for incorrectly discarding 32 bits of a pointer when it
   # comes to default values.