$ uname -a
Linux localhost.localdomain 4.11.8-300.fc26.x86_64 #1 SMP Thu Jun 29 20:09:48 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux

$ gcc --version
gcc (GCC) 7.1.1 20170622 (Red Hat 7.1.1-3)
Copyright (C) 2017 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

$ git describe
r3.5.11-206-g1158a6b9b1

$ python2 buildscripts/scons.py all -j 2
[cut]
Compiling build/opt/mongo/platform/stack_locator_linux.o
In file included from src/mongo/platform/stack_locator_pthread_getattr_np.cpp:36:0,
                 from src/mongo/platform/stack_locator_linux.cpp:29:
src/mongo/util/scopeguard.h: In instantiation of 'mongo::ScopeGuardImpl1<F, P1> mongo::MakeGuard(F, P1) [with F = int (*)(pthread_attr_t*) throw (); P1 = pthread_attr_t*]':
src/mongo/platform/stack_locator_pthread_getattr_np.cpp:45:51:   required from here
src/mongo/util/scopeguard.h:154:7: error: mangled name for 'mongo::ScopeGuardImpl1<int (*)(pthread_attr_t*) throw (), pthread_attr_t*>::ScopeGuardImpl1(const mongo::ScopeGuardImpl1<int (*)(pthread_attr_t*) throw (), pthread_attr_t*>&)' will change in C++17 because the exception specification is part of a function type [-Werror=noexcept-type]
 class ScopeGuardImpl1 : public ScopeGuardImplBase {
       ^~~~~~~~~~~~~~~
src/mongo/util/scopeguard.h:154:7: error: mangled name for 'mongo::ScopeGuardImpl1<int (*)(pthread_attr_t*) throw (), pthread_attr_t*>::ScopeGuardImpl1(const mongo::ScopeGuardImpl1<int (*)(pthread_attr_t*) throw (), pthread_attr_t*>&)' will change in C++17 because the exception specification is part of a function type [-Werror=noexcept-type]
src/mongo/util/scopeguard.h:177:53: note: synthesized method 'mongo::ScopeGuardImpl1<int (*)(pthread_attr_t*) throw (), pthread_attr_t*>::ScopeGuardImpl1(const mongo::ScopeGuardImpl1<int (*)(pthread_attr_t*) throw (), pthread_attr_t*>&)' first required here
     return ScopeGuardImpl1<F, P1>::MakeGuard(fun, p1);
                                                     ^
src/mongo/util/scopeguard.h: In instantiation of 'mongo::ScopeGuardImpl1<F, P1>::~ScopeGuardImpl1() [with F = int (*)(pthread_attr_t*) throw (); P1 = pthread_attr_t*]':
src/mongo/platform/stack_locator_pthread_getattr_np.cpp:45:51:   required from here
src/mongo/util/scopeguard.h:160:5: error: mangled name for 'mongo::ScopeGuardImpl1<F, P1>::~ScopeGuardImpl1() [with F = int (*)(pthread_attr_t*) throw (); P1 = pthread_attr_t*]' will change in C++17 because the exception specification is part of a function type [-Werror=noexcept-type]
     ~ScopeGuardImpl1() throw() {
     ^
src/mongo/util/scopeguard.h:160:5: error: mangled name for 'mongo::ScopeGuardImpl1<F, P1>::~ScopeGuardImpl1() [with F = int (*)(pthread_attr_t*) throw (); P1 = pthread_attr_t*]' will change in C++17 because the exception specification is part of a function type [-Werror=noexcept-type]
src/mongo/util/scopeguard.h: In instantiation of 'mongo::ScopeGuardImpl1<F, P1>::ScopeGuardImpl1(F, P1) [with F = int (*)(pthread_attr_t*) throw (); P1 = pthread_attr_t*]':
src/mongo/util/scopeguard.h:157:16:   required from 'static mongo::ScopeGuardImpl1<F, P1> mongo::ScopeGuardImpl1<F, P1>::MakeGuard(F, P1) [with F = int (*)(pthread_attr_t*) throw (); P1 = pthread_attr_t*]'
src/mongo/util/scopeguard.h:177:45:   required from 'mongo::ScopeGuardImpl1<F, P1> mongo::MakeGuard(F, P1) [with F = int (*)(pthread_attr_t*) throw (); P1 = pthread_attr_t*]'
src/mongo/platform/stack_locator_pthread_getattr_np.cpp:45:51:   required from here
src/mongo/util/scopeguard.h:169:5: error: mangled name for 'mongo::ScopeGuardImpl1<F, P1>::ScopeGuardImpl1(F, P1) [with F = int (*)(pthread_attr_t*) throw (); P1 = pthread_attr_t*]' will change in C++17 because the exception specification is part of a function type [-Werror=noexcept-type]
     ScopeGuardImpl1(F fun, P1 p1) : fun_(fun), p1_(p1) {}
     ^~~~~~~~~~~~~~~
src/mongo/util/scopeguard.h:169:5: error: mangled name for 'mongo::ScopeGuardImpl1<F, P1>::ScopeGuardImpl1(F, P1) [with F = int (*)(pthread_attr_t*) throw (); P1 = pthread_attr_t*]' will change in C++17 because the exception specification is part of a function type [-Werror=noexcept-type]
src/mongo/util/scopeguard.h:164:10: error: mangled name for 'void mongo::ScopeGuardImpl1<F, P1>::Execute() [with F = int (*)(pthread_attr_t*) throw (); P1 = pthread_attr_t*]' will change in C++17 because the exception specification is part of a function type [-Werror=noexcept-type]
     void Execute() {
          ^~~~~~~
src/mongo/util/scopeguard.h:169:5: error: mangled name for 'mongo::ScopeGuardImpl1<F, P1>::ScopeGuardImpl1(F, P1) [with F = int (*)(pthread_attr_t*) throw (); P1 = pthread_attr_t*]' will change in C++17 because the exception specification is part of a function type [-Werror=noexcept-type]
     ScopeGuardImpl1(F fun, P1 p1) : fun_(fun), p1_(p1) {}
     ^~~~~~~~~~~~~~~
src/mongo/util/scopeguard.h:96:17: error: mangled name for 'static void mongo::ScopeGuardImplBase::SafeExecute(J&) [with J = mongo::ScopeGuardImpl1<int (*)(pthread_attr_t*) throw (), pthread_attr_t*>]' will change in C++17 because the exception specification is part of a function type [-Werror=noexcept-type]
     static void SafeExecute(J& j) throw() {
                 ^~~~~~~~~~~
src/mongo/util/scopeguard.h:156:35: error: mangled name for 'static mongo::ScopeGuardImpl1<F, P1> mongo::ScopeGuardImpl1<F, P1>::MakeGuard(F, P1) [with F = int (*)(pthread_attr_t*) throw (); P1 = pthread_attr_t*]' will change in C++17 because the exception specification is part of a function type [-Werror=noexcept-type]
     static ScopeGuardImpl1<F, P1> MakeGuard(F fun, P1 p1) {
                                   ^~~~~~~~~
src/mongo/util/scopeguard.h:160:5: error: mangled name for 'mongo::ScopeGuardImpl1<F, P1>::~ScopeGuardImpl1() [with F = int (*)(pthread_attr_t*) throw (); P1 = pthread_attr_t*]' will change in C++17 because the exception specification is part of a function type [-Werror=noexcept-type]
     ~ScopeGuardImpl1() throw() {
     ^
src/mongo/util/scopeguard.h:176:31: error: mangled name for 'mongo::ScopeGuardImpl1<F, P1> mongo::MakeGuard(F, P1) [with F = int (*)(pthread_attr_t*) throw (); P1 = pthread_attr_t*]' will change in C++17 because the exception specification is part of a function type [-Werror=noexcept-type]
 inline ScopeGuardImpl1<F, P1> MakeGuard(F fun, P1 p1) {
                               ^~~~~~~~~
src/mongo/util/scopeguard.h:154:7: error: mangled name for 'mongo::ScopeGuardImpl1<int (*)(pthread_attr_t*) throw (), pthread_attr_t*>::ScopeGuardImpl1(const mongo::ScopeGuardImpl1<int (*)(pthread_attr_t*) throw (), pthread_attr_t*>&)' will change in C++17 because the exception specification is part of a function type [-Werror=noexcept-type]
 class ScopeGuardImpl1 : public ScopeGuardImplBase {
       ^~~~~~~~~~~~~~~
cc1plus: all warnings being treated as errors
scons: *** [build/opt/mongo/platform/stack_locator_linux.o] Error 1
scons: building terminated because of errors.
build/opt/mongo/platform/stack_locator_linux.o failed: Error 1