foo.patch

From b8cc025eed94936bb2f2d5b74bca5d350aa79e0a Mon Sep 17 00:00:00 2001
From: Rolf Bjarne Kvinge <rolf@xamarin.com>
Date: Tue, 15 Aug 2017 18:27:35 +0200
Subject: [PATCH] Fix
 System.Runtime.ExceptionServices.ExceptionDispatchInfo.Capture (ex).Throw ().

---
 mono/mini/mini-exceptions.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/mono/mini/mini-exceptions.c b/mono/mini/mini-exceptions.c
index 7b307801ea3..05a9839a327 100644
--- a/mono/mini/mini-exceptions.c
+++ b/mono/mini/mini-exceptions.c
@@ -1519,6 +1519,11 @@ setup_stack_trace (MonoException *mono_ex, GSList *dynamic_methods, GList **trac
 		MonoError error;
 		MonoArray *ips_arr = mono_glist_to_array (*trace_ips, mono_defaults.int_class, &error);
 		mono_error_assert_ok (&error);
+		if (!ips_arr) {
+			// This makes System.Runtime.ExceptionServices.ExceptionDispatchInfo.Capture (ex).Throw () work
+			ips_arr = mono_array_new_checked (mono_domain_get (), mono_defaults.int_class, 0, &error);
+			mono_error_assert_ok (&error);
+		}
 		MONO_OBJECT_SETREF (mono_ex, trace_ips, ips_arr);
 		MONO_OBJECT_SETREF (mono_ex, native_trace_ips, build_native_trace (&error));
 		mono_error_assert_ok (&error);
-- 
2.13.0