id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc
1501	HM 16.20 fails to build with gcc8	dbermond		"HM 16.20 fails to build with gcc8, giving the following error:

{{{
In file included from /storage/linux/src/hm/build/linux/lib/TLibCommon/../../../../source/Lib/TLibCommon/ContextModel3DBuffer.cpp:38:
/storage/linux/src/hm/build/linux/lib/TLibCommon/../../../../source/Lib/TLibCommon/ContextModel3DBuffer.h: In member function ‘Void ContextModel3DBuffer::copyFrom(const ContextModel3DBuffer*)’:
/storage/linux/src/hm/build/linux/lib/TLibCommon/../../../../source/Lib/TLibCommon/ContextModel3DBuffer.h:91:85: error: ‘void* memcpy(void*, const void*, size_t)’ writing to an object of non-trivially copyable type ‘class ContextModel’; use copy-assignment or copy-initialization instead [-Werror=class-memaccess]
     ::memcpy( m_contextModel, src->m_contextModel, sizeof(ContextModel) * m_sizeXYZ );
                                                                                     ^
In file included from /storage/linux/src/hm/build/linux/lib/TLibCommon/../../../../source/Lib/TLibCommon/ContextModel3DBuffer.h:45,
                 from /storage/linux/src/hm/build/linux/lib/TLibCommon/../../../../source/Lib/TLibCommon/ContextModel3DBuffer.cpp:38:
/storage/linux/src/hm/build/linux/lib/TLibCommon/../../../../source/Lib/TLibCommon/ContextModel.h:57:7: note: ‘class ContextModel’ declared here
 class ContextModel
       ^~~~~~~~~~~~
cc1plus: all warnings being treated as errors
make[1]: *** [../../common/makefile.base:241: objects/ContextModel3DBuffer.r.o] Error 1
make[1]: Leaving directory '/storage/linux/src/hm/build/linux/lib/TLibCommon'
make: *** [makefile:49: release] Error 2
}}}

* It builds fine with gcc 7.3.1.

* It builds with gcc8 when removing `-Werror` from `build/linux/common/makefile.base`.

Steps used to build:


{{{
$ svn checkout -r 4994 https://hevc.hhi.fraunhofer.de/svn/svn_HEVCSoftware/trunk/ hm
$ cd hm/build/linux
$ make -j1 -f makefile release release_highbitdepth
}}}


'''System Information:'''
'''OS:''' Arch Linux x86_64
'''Compiler:''' gcc 8.2.1
'''HM:''' 16.20 (svn revision 4994)"	defect	new	minor		HM	HM-16.14			ksuehring davidf karlsharman jct-vc@…