From f4f940e5a63e542a59fc7510332efb38ccafc10f Mon Sep 17 00:00:00 2001
From: Alan Wu <XrXr@users.noreply.github.com>
Date: Thu, 29 Jul 2021 12:41:59 -0400
Subject: Save PC and SP before accessing globals

These instructions are marked as not leaf in insns.def, which indicate
that they could raise exceptions and/or call Ruby methods.
---
 bootstraptest/test_yjit.rb | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)

(limited to 'bootstraptest')

diff --git a/bootstraptest/test_yjit.rb b/bootstraptest/test_yjit.rb
index 1a683c1c41..a164b7a413 100644
--- a/bootstraptest/test_yjit.rb
+++ b/bootstraptest/test_yjit.rb
@@ -7,6 +7,19 @@ assert_equal 'string', %q{
   foo
 }
 
+# Check that exceptions work when setting global variables
+assert_equal 'rescued', %q{
+  def set_var
+    $var = 100
+  rescue
+    :rescued
+  end
+
+  set_var
+  trace_var(:$var) { raise }
+  set_var
+}
+
 # Check that global variables work
 assert_equal 'string', %q{
   $foo = "string"
@@ -18,6 +31,25 @@ assert_equal 'string', %q{
   foo
 }
 
+# Check that exceptions work when getting global variable
+assert_equal 'rescued', %q{
+  module Warning
+    def warn(message)
+      raise
+    end
+  end
+
+  def get_var
+    $=
+  rescue
+    :rescued
+  end
+
+  $VERBOSE = true
+  get_var
+  get_var
+}
+
 # Check that global tracepoints work
 assert_equal 'true', %q{
   def foo
-- 
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