FreeBSD: Disable missing reflection metadata tests

LLD relocates some of the metadata sections resulting in bad offsets at
runtime.

The workaround is to pass `-no-rosegment` to the linker invocation.

rdar://159139154

Author: etcwilde

test/Reflection/capture_descriptors.sil

@@ -9,6 +9,12 @@
 // RUN: %target-build-swift %s -emit-module -emit-library -module-name capture_descriptors -o %t/capture_descriptors%{target-shared-library-suffix} -L%t/../../.. -lBlocksRuntime
 // RUN: %target-swift-reflection-dump %t/capture_descriptors%{target-shared-library-suffix} | %FileCheck %s
 
+// lld on FreeBSD relocates some of the metadata sections resulting in invalid
+// offsets in section headers, breaking the Swift reflection data ELF parser
+// resulting in missing metadata.
+// rdar://159139154
+// XFAIL: OS=freebsd
+
 sil_stage canonical
 
 import Builtin

test/Reflection/typeref_decoding_imported.swift

@@ -23,6 +23,12 @@
 
 // UNSUPPORTED: OS=linux-android, OS=linux-androideabi
 
+// lld on FreeBSD relocates some of the metadata sections resulting in invalid
+// offsets in section headers, breaking the Swift reflection data ELF parser
+// resulting in missing metadata.
+// rdar://159139154
+// XFAIL: OS=freebsd
+
 // CHECK-32: FIELDS:
 // CHECK-32: =======
 // CHECK-32: TypesToReflect.HasCTypes