https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80308
--- Comment #4 from Bernd Edlinger <bernd.edlinger at hotmail dot de> --- weird, in function OTServerBaseNode::addReference the shadow ram is initialize correctly, and it is overwritten in line 671 immediately before the crash: => 0x129fc870 rlwinm r9,r29,29,3,31 2: x/i 0x37f7569c 0x37f7569c: .long 0x4f2f2 => 0x129fc874 lwz r4,80(r31) 2: x/i 0x37f7569c 0x37f7569c: .long 0x4f2f2 => 0x129fc878 addis r9,r9,8192 2: x/i 0x37f7569c 0x37f7569c: .long 0x4f2f2 => 0x129fc87c mr r3,r29 2: x/i 0x37f7569c 0x37f7569c: .long 0x4f2f2 => 0x129fc880 sth r10,0(r9) 2: x/i 0x37f7569c 0x37f7569c: .long 0x400f2f2 => 0x129fc884 bl 0x11e9cd64 <NodeIdStruct::NodeIdStruct(NodeIdStruct const&)>