From 6100a9db7de1d3dd60045622df161b6288fdf88a Mon Sep 17 00:00:00 2001
From: Dimitry Andric <dim@FreeBSD.org>
Date: Fri, 16 Feb 2018 19:10:44 +0000
Subject: [PATCH] Vendor import of libc++ release_60 branch r325330:
 https://llvm.org/svn/llvm-project/libcxx/branches/release_60@325330

---
 CMakeLists.txt                                      |  3 +++
 .../streambuf.put.area/pbump2gig.pass.cpp           | 13 +++++++------
 .../has_unique_object_representations.pass.cpp      |  6 ++++--
 3 files changed, 14 insertions(+), 8 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index eb079d25618..9e8e9d5e3d9 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -135,6 +135,9 @@ if (LIBCXX_CXX_ABI STREQUAL "default")
   elseif (APPLE)
     set(LIBCXX_CXX_ABI_LIBNAME "libcxxabi")
     set(LIBCXX_CXX_ABI_SYSTEM 1)
+  elseif (${CMAKE_SYSTEM_NAME} MATCHES "FreeBSD")
+    set(LIBCXX_CXX_ABI_LIBNAME "libcxxrt")
+    set(LIBCXX_CXX_ABI_INCLUDE_PATHS "/usr/include/c++/v1")
   else()
     set(LIBCXX_CXX_ABI_LIBNAME "default")
   endif()
diff --git a/test/std/input.output/stream.buffers/streambuf/streambuf.protected/streambuf.put.area/pbump2gig.pass.cpp b/test/std/input.output/stream.buffers/streambuf/streambuf.protected/streambuf.put.area/pbump2gig.pass.cpp
index e7bdd897c74..460e4c07ec9 100644
--- a/test/std/input.output/stream.buffers/streambuf/streambuf.protected/streambuf.put.area/pbump2gig.pass.cpp
+++ b/test/std/input.output/stream.buffers/streambuf/streambuf.protected/streambuf.put.area/pbump2gig.pass.cpp
@@ -32,12 +32,13 @@ int main()
 #ifndef TEST_HAS_NO_EXCEPTIONS
     try {
 #endif
-    	std::string str(2147483648, 'a');
-		SB sb;
-		sb.str(str);
-		assert(sb.pubpbase() <= sb.pubpptr());
+        std::string str(2147483648, 'a');
+        SB sb;
+        sb.str(str);
+        assert(sb.pubpbase() <= sb.pubpptr());
 #ifndef TEST_HAS_NO_EXCEPTIONS
-	}
-	catch (const std::bad_alloc &) {}
+    }
+    catch (const std::length_error &) {} // maybe the string can't take 2GB
+    catch (const std::bad_alloc    &) {} // maybe we don't have enough RAM
 #endif
 }
diff --git a/test/std/utilities/meta/meta.unary/meta.unary.prop/has_unique_object_representations.pass.cpp b/test/std/utilities/meta/meta.unary/meta.unary.prop/has_unique_object_representations.pass.cpp
index e4a3d203ce7..52100c30404 100644
--- a/test/std/utilities/meta/meta.unary/meta.unary.prop/has_unique_object_representations.pass.cpp
+++ b/test/std/utilities/meta/meta.unary/meta.unary.prop/has_unique_object_representations.pass.cpp
@@ -55,7 +55,8 @@ class NotEmpty
     virtual ~NotEmpty();
 };
 
-union Union {};
+union EmptyUnion {};
+struct NonEmptyUnion {int x; unsigned y;};
 
 struct bit_zero
 {
@@ -84,6 +85,7 @@ int main()
 {
     test_has_not_has_unique_object_representations<void>();
     test_has_not_has_unique_object_representations<Empty>();
+    test_has_not_has_unique_object_representations<EmptyUnion>();
     test_has_not_has_unique_object_representations<NotEmpty>();
     test_has_not_has_unique_object_representations<bit_zero>();
     test_has_not_has_unique_object_representations<Abstract>();
@@ -97,7 +99,7 @@ int main()
 
 
     test_has_unique_object_representations<unsigned>();
-    test_has_unique_object_representations<Union>();
+    test_has_unique_object_representations<NonEmptyUnion>();
     test_has_unique_object_representations<char[3]>();
     test_has_unique_object_representations<char[]>();