From 0224d864af72cc2fa414bf7daedeb6d559cb1140 Mon Sep 17 00:00:00 2001
From: Pat Gavlin <pagavlin@microsoft.com>
Date: Fri, 9 Sep 2016 11:04:19 -0700
Subject: Model the kill set for ASSIGN_BYREF on x86.

This helper kills esi, edi, and ecx.
---
 src/jit/codegencommon.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/jit/codegencommon.cpp b/src/jit/codegencommon.cpp
index 2710447ade..56ab2e706b 100755
--- a/src/jit/codegencommon.cpp
+++ b/src/jit/codegencommon.cpp
@@ -646,6 +646,8 @@ regMaskTP Compiler::compHelperCallKillSet(CorInfoHelpFunc helper)
             return RBM_RSI | RBM_RDI | RBM_CALLEE_TRASH;
 #elif defined(_TARGET_ARM64_)
             return RBM_CALLEE_TRASH_NOGC;
+#elif defined(_TARGET_X86_)
+            return RBM_ESI | RBM_EDI | RBM_ECX;
 #else
             NYI("Model kill set for CORINFO_HELP_ASSIGN_BYREF on target arch");
             return RBM_CALLEE_TRASH;
-- 
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