From 7c75dbe51e9fd9ebd84bc796acec4a4e60c5d367 Mon Sep 17 00:00:00 2001
From: Max Bernstein <rubybugs@bernsteinbear.com>
Date: Fri, 23 Jan 2026 16:14:59 -0500
Subject: [PATCH 1/2] ZJIT: Reset all the counters in
 RubyVM::ZJIT::reset_stats! (#15950)

We previously forgot about these.
---
 zjit/src/stats.rs | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/zjit/src/stats.rs b/zjit/src/stats.rs
index 556a1417a42338..96d75b7aec84b7 100644
--- a/zjit/src/stats.rs
+++ b/zjit/src/stats.rs
@@ -717,6 +717,21 @@ pub extern "C" fn rb_zjit_reset_stats_bang(_ec: EcPtr, _self: VALUE) -> VALUE {
     // Reset exit counters for YARV instructions
     exit_counters.as_mut_slice().fill(0);
 
+    // Reset send fallback counters
+    ZJITState::get_send_fallback_counters().as_mut_slice().fill(0);
+
+    // Reset not-inlined counters
+    ZJITState::get_not_inlined_cfunc_counter_pointers().iter_mut()
+        .for_each(|b| { **(b.1) = 0; });
+
+    // Reset not-annotated counters
+    ZJITState::get_not_annotated_cfunc_counter_pointers().iter_mut()
+        .for_each(|b| { **(b.1) = 0; });
+
+    // Reset ccall counters
+    ZJITState::get_ccall_counter_pointers().iter_mut()
+        .for_each(|b| { **(b.1) = 0; });
+
     Qnil
 }
 

From 887913efc0fecdcfd67c86d52d1d92ad79c23fac Mon Sep 17 00:00:00 2001
From: Peter Zhu <peter@peterzhu.ca>
Date: Thu, 22 Jan 2026 17:12:59 -0500
Subject: [PATCH 2/2] [DOC] Improve docs for eval

---
 vm_eval.c | 43 ++++++++++++++++++++++++++++++-------------
 1 file changed, 30 insertions(+), 13 deletions(-)

diff --git a/vm_eval.c b/vm_eval.c
index 707344718bced0..652fc4d85feac2 100644
--- a/vm_eval.c
+++ b/vm_eval.c
@@ -2031,21 +2031,38 @@ eval_string_with_scope(VALUE scope, VALUE src, VALUE file, int line)
 }
 
 /*
- *  call-seq:
- *     eval(string [, binding [, filename [,lineno]]])  -> obj
+ * call-seq:
+ *    eval(string, binding = nil, filename = default_filename, lineno = 1) -> obj
  *
- *  Evaluates the Ruby expression(s) in <em>string</em>. If
- *  <em>binding</em> is given, which must be a Binding object, the
- *  evaluation is performed in its context. If the optional
- *  <em>filename</em> and <em>lineno</em> parameters are present, they
- *  will be used when reporting syntax errors.
+ * Evaluates the Ruby expression(s) in +string+. Returns the result of the last
+ * expression.
  *
- *     def get_binding(str)
- *       return binding
- *     end
- *     str = "hello"
- *     eval "str + ' Fred'"                      #=> "hello Fred"
- *     eval "str + ' Fred'", get_binding("bye")  #=> "bye Fred"
+ *   str = "Hello"
+ *   eval("str + ' World'") # => "Hello World"
+ *
+ * If +binding+ is given, which must be a Binding object, the
+ * evaluation is performed in its context. Otherwise, the
+ * evaluation is performed in the context of the caller.
+ *
+ *   def get_binding(str) = binding
+ *   str = "Hello"
+ *   eval("str + ' World'", get_binding("Bye")) # => "Bye World"
+ *
+ * If the optional +filename+ is given, it will be used as the
+ * filename of the evaluation (for <tt>__FILE__</tt> and errors).
+ * Otherwise, it will default to <tt>(eval at __FILE__:__LINE__)</tt>
+ * where <tt>__FILE__</tt> and <tt>__LINE__</tt> are the filename and
+ * line number of the caller, respectively.
+ *
+ *   eval("puts __FILE__") # => "(eval at test.rb:1)"
+ *   eval("puts __FILE__", nil, "foobar.rb") # => "foobar.rb"
+ *
+ * If the optional +lineno+ is given, it will be used as the
+ * line number of the evaluation (for <tt>__LINE__</tt> and errors).
+ * Otherwise, it will default to 1.
+ *
+ *   eval("puts __LINE__") # => 1
+ *   eval("puts __LINE__", nil, "foobar.rb", 10) # => 10
  */
 
 VALUE