[libcxx] r251250 - Add a test for LWG#2462: std::ios_base::failure is overspecified

[Marshall Clow via cfe-commits]

Author: marshall
Date: Sun Oct 25 14:20:14 2015
New Revision: 251250

URL: http://llvm.org/viewvc/llvm-project?rev=251250&view=rev
Log:
Add a test for LWG#2462: std::ios_base::failure is overspecified

Modified:
    libcxx/trunk/test/std/input.output/iostreams.base/ios.base/ios.types/ios_failure/ctor_string_error_code.pass.cpp

Modified: libcxx/trunk/test/std/input.output/iostreams.base/ios.base/ios.types/ios_failure/ctor_string_error_code.pass.cpp
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/std/input.output/iostreams.base/ios.base/ios.types/ios_failure/ctor_string_error_code.pass.cpp?rev=251250&r1=251249&r2=251250&view=diff
==============================================================================
--- libcxx/trunk/test/std/input.output/iostreams.base/ios.base/ios.types/ios_failure/ctor_string_error_code.pass.cpp (original)
+++ libcxx/trunk/test/std/input.output/iostreams.base/ios.base/ios.types/ios_failure/ctor_string_error_code.pass.cpp Sun Oct 25 14:20:14 2015
@@ -19,6 +19,9 @@
 
 int main()
 {
+    // LWG2462 std::ios_base::failure is overspecified
+    static_assert((std::is_base_of<std::system_error, std::ios_base::failure>::value), "");
+
     {
         std::string what_arg("io test message");
         std::ios_base::failure se(what_arg, make_error_code(std::errc::is_a_directory));