From f3e10f8b0524afac09213ef973e2fecc6149fd88 Mon Sep 17 00:00:00 2001
From: Tom Stellard <tstellar@redhat.com>
Date: Mon, 4 Jun 2018 15:49:27 +0000
Subject: Merging r333467:

------------------------------------------------------------------------
r333467 | marshall | 2018-05-29 15:25:42 -0700 (Tue, 29 May 2018) | 1 line

Fix embarrasing typo in uncaught_exceptions. Update tests to really test this. Thanks to Peter Klotz for calling my attention to this.
------------------------------------------------------------------------

llvm-svn: 333910
---
 libcxx/src/support/runtime/exception_libcxxabi.ipp |  2 +-
 .../uncaught/uncaught_exceptions.pass.cpp          | 50 +++++++++++++---------
 2 files changed, 30 insertions(+), 22 deletions(-)

diff --git a/libcxx/src/support/runtime/exception_libcxxabi.ipp b/libcxx/src/support/runtime/exception_libcxxabi.ipp
index c3dcf1e..feefc51 100644
--- a/libcxx/src/support/runtime/exception_libcxxabi.ipp
+++ b/libcxx/src/support/runtime/exception_libcxxabi.ipp
@@ -18,7 +18,7 @@ bool uncaught_exception() _NOEXCEPT { return uncaught_exceptions() > 0; }
 
 int uncaught_exceptions() _NOEXCEPT
 {
-# if _LIBCPPABI_VERSION > 1101
+# if _LIBCPPABI_VERSION > 1001
     return __cxa_uncaught_exceptions();
 # else
     return __cxa_uncaught_exception() ? 1 : 0;
diff --git a/libcxx/test/std/language.support/support.exception/uncaught/uncaught_exceptions.pass.cpp b/libcxx/test/std/language.support/support.exception/uncaught/uncaught_exceptions.pass.cpp
index e35e7af..0a63a47 100644
--- a/libcxx/test/std/language.support/support.exception/uncaught/uncaught_exceptions.pass.cpp
+++ b/libcxx/test/std/language.support/support.exception/uncaught/uncaught_exceptions.pass.cpp
@@ -15,40 +15,48 @@
 // XFAIL: availability=macosx10.9
 // XFAIL: availability=macosx10.10
 // XFAIL: availability=macosx10.11
+// XFAIL: with_system_cxx_lib=macosx10.12
+// XFAIL: with_system_cxx_lib=macosx10.13
 
 // test uncaught_exceptions
 
 #include <exception>
 #include <cassert>
 
-struct A
-{
-    ~A()
-    {
-        assert(std::uncaught_exceptions() > 0);
-    }
-};
+struct Uncaught {
+    Uncaught(int depth) : d_(depth) {}
+    ~Uncaught() { assert(std::uncaught_exceptions() == d_); }
+    int d_;
+    };
 
-struct B
-{
-    B()
-    {
-        // http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_defects.html#475
-        assert(std::uncaught_exceptions() == 0);
+struct Outer {
+    Outer(int depth) : d_(depth) {}
+    ~Outer() {
+    try {
+        assert(std::uncaught_exceptions() == d_);
+        Uncaught u(d_+1);
+        throw 2;
     }
+    catch (int) {}
+    }
+    int d_;
 };
 
-int main()
-{
-    try
+int main () {
+    assert(std::uncaught_exceptions() == 0);
     {
-        A a;
-        assert(std::uncaught_exceptions() == 0);
-        throw B();
+    Outer o(0);
     }
-    catch (...)
+    
+    assert(std::uncaught_exceptions() == 0);
     {
-        assert(std::uncaught_exception() == 0);
+    try {
+        Outer o(1);
+        throw 1;
+        }
+    catch (int) {
+        assert(std::uncaught_exceptions() == 0);
+        }   
     }
     assert(std::uncaught_exceptions() == 0);
 }
-- 
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