The 3rd test in shrink_to_fit.pass.cpp can't possibly pass if exceptions are disabled, so #ifdef'ing out the test.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@178350 91177308-0d34-0410-b5e6-96231b3b80d8

test/containers/sequences/vector/vector.capacity/shrink_to_fit.pass.cpp

@@ -31,6 +31,7 @@ int main()
         assert(v.capacity() == 101);
         assert(v.size() == 101);
     }
+#ifndef _LIBCPP_NO_EXCEPTIONS
     {
         std::vector<int, stack_allocator<int, 400> > v(100);
         v.push_back(1);
@@ -38,4 +39,5 @@ int main()
         assert(v.capacity() == 200);
         assert(v.size() == 101);
     }
+#endif
 }