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Subject: [Bug libstdc++/100117] FAIL
 testsuite/17_intro/headers/c++1998/49745.cc with trunk glibc
Date: Fri, 16 Apr 2021 14:38:43 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D100117

--- Comment #1 from Florian Weimer <fw at gcc dot gnu.org> ---
This looks like the old C++ _GNU_SOURCE issue.

But I do not really see why <iostream> includes <csignal>. Is this some PCH
test?

Should <stdc++.h> really include all the C headers?=