Fix test for 32-bit, this time more comprehensively.

Author: rjmccall

test/IRGen/foreign_types.sil

@@ -1,8 +1,5 @@
 // RUN: %target-swift-frontend -I %S/Inputs/abi %s -emit-ir | FileCheck %s
 
-// FIXME: SR-1071 test or compiler has an incorrect 64-bit dependency
-// UNSUPPORTED: PTRSIZE=32
-
 sil_stage canonical
 import c_layout
 
@@ -15,8 +12,8 @@ import c_layout
 // CHECK-SAME:  [[INT]] 1,
 // CHECK-SAME:  [[INT]] sub ({{.*}}),
 // CHECK-SAME:  %swift.type* null,
-// CHECK-SAME:  i64 0,
-// CHECK-SAME:  i64 4 }
+// CHECK-SAME:  [[INT]] 0,
+// CHECK-SAME:  [[INT]] 4 }
 
 sil @test0 : $() -> () {
 bb0: