use correct svar even if env is escaped

This patch is follo-up of 0a82bfe.
Without this patch, if env is escaped (Proc'ed), strange svar
can be touched.

This patch tracks escaped env and use it.

1 files changed, 2 insertions, 1 deletions

diff --git a/proc.c b/proc.c
index 3e2d8be6cf..3d26fa9623 100644
--- a/proc.c
+++ b/proc.c
@@ -712,7 +712,8 @@ rb_vm_ifunc_new(rb_block_call_func_t func, const void *data, int min_argc, int m
     }
     arity.argc.min = min_argc;
     arity.argc.max = max_argc;
-    VALUE ret = rb_imemo_new(imemo_ifunc, (VALUE)func, (VALUE)data, arity.packed, (VALUE)GET_EC()->cfp);
+    rb_execution_context_t *ec = GET_EC();
+    VALUE ret = rb_imemo_new(imemo_ifunc, (VALUE)func, (VALUE)data, arity.packed, (VALUE)rb_vm_svar_lep(ec, ec->cfp));
     return (struct vm_ifunc *)ret;
 }