[DebugInfo] Fix dead-store-elim test for 32 bits

rdar://126620071
(cherry picked from commit a9d89e5)

Author: Snowy1803

test/DebugInfo/dead-store-elimination.sil

@@ -12,15 +12,15 @@ import Builtin
 // salvage debug info when removing the store.
 
 // CHECK-LABEL: @trivial_local_dead_store
-// CHECK: debug_value %{{[0-9]+}} : $Int, var, name "a"
+// CHECK: debug_value %{{[0-9]+}} : $Int64, var, name "a"
 // CHECK: return
 sil hidden @trivial_local_dead_store : $@convention(thin) () -> () {
 bb0:
-  %0 = alloc_stack $Int, var, name "a"
+  %0 = alloc_stack $Int64, var, name "a"
   %1 = integer_literal $Builtin.Int64, 1
-  %2 = struct $Int (%1 : $Builtin.Int64)
-  store %2 to %0 : $*Int
+  %2 = struct $Int64 (%1 : $Builtin.Int64)
+  store %2 to %0 : $*Int64
   %4 = tuple ()
-  dealloc_stack %0 : $*Int
+  dealloc_stack %0 : $*Int64
   return %4 : $()
 }