Generalize test for 32-bit platforms

Author: DougGregor

test/IRGen/backward_deploy_span.swift

@@ -1,5 +1,4 @@
 // RUN: %target-swift-frontend -target %target-cpu-apple-macos12 -emit-ir -o - -primary-file %s | %FileCheck %s
-// REQUIRES: concurrency
 // REQUIRES: OS=macosx
 
 func useGenericMetatype(_ type: any ~Escapable.Type) { }
@@ -11,7 +10,5 @@ func testSpanInt() {
   useGenericMetatype(Span<Int>.self)
 }
 
-// CHECK-LABEL: define linkonce_odr hidden swiftcc %swift.metadata_response @"$ss4SpanVySiGMa"(i64 %0)
-// CHECK: call swiftcc %swift.metadata_response @"$ss4SpanVMa"(i64 %0, ptr @"$sSiN")
-
-
+// CHECK-LABEL: define linkonce_odr hidden swiftcc %swift.metadata_response @"$ss4SpanVySiGMa"
+// CHECK: call swiftcc %swift.metadata_response @"$ss4SpanVMa"({{i32|i64}} %0, ptr @"$sSiN")