From 461a79a24702f262fa9116ed769315b25f064cbf Mon Sep 17 00:00:00 2001
From: Niko Matsakis <niko@alum.mit.edu>
Date: Sat, 15 Jun 2013 16:18:39 -0400
Subject: [PATCH] Partial fix for #7158: Save EDX in morestack on x86-32

---
 src/rt/arch/i386/morestack.S | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/rt/arch/i386/morestack.S b/src/rt/arch/i386/morestack.S
index 1b2768208056..a95e183a1d12 100644
--- a/src/rt/arch/i386/morestack.S
+++ b/src/rt/arch/i386/morestack.S
@@ -207,12 +207,14 @@ MORESTACK:
 	subl $12, %esp
 
 	// Save the return value of the function we allocated space for
+	movl %edx, 4(%esp)
 	movl %eax, (%esp)
 
 	call UPCALL_DEL_STACK
 
 	// And restore it
 	movl (%esp), %eax
+	movl 4(%esp), %edx
 
 	addl $12,%esp