Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

mcs/ilasm/tests/test-byref.il

@@ -0,0 +1,39 @@
+//Test for call to a method returning a byref
+.assembly extern mscorlib
+{
+}
+.assembly 'test-byref'
+{
+}
+
+  .class public auto ansi beforefieldinit Test
+  	extends [mscorlib]System.Object
+  {
+    .field  private   float64[,] _data
+
+    .method public hidebysig  specialname  rtspecialname 
+           instance default void .ctor ()  cil managed 
+    {
+	.maxstack 8
+	IL_0000:  ldarg.0 
+	IL_0001:  call instance void object::.ctor()
+	IL_0006:  ret 
+    }
+
+    .method public hidebysig 
+           instance default void multByTwo ()  cil managed 
+    {
+	.maxstack 8
+	IL_0000:  ldarg.0 
+	IL_0001:  ldfld  float64[,] Test::_data
+	IL_0006:  ldc.i4.0 
+	IL_0007:  ldc.i4.0 
+	IL_0008:  call instance float64&  float64[,]::Address(int32, int32)
+	IL_000d:  dup 
+	IL_000e:  ldind.r8 
+	IL_000f:  ldc.r8 4
+	IL_0018:  mul 
+	IL_0019:  stind.r8 
+	IL_001a:  ret 
+    }
+  }