https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70938
Bug ID: 70938 Summary: internal compiler error: in tsubst_copy, at cp/pt.c:13008 Product: gcc Version: 5.3.1 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: bruck.michael at googlemail dot com Target Milestone: --- $ cat ice-20160504.cpp struct bar_t { int i; }; template <typename T> struct foo_t { bar_t & bar = *(bar_t *)0x7770; int & i = bar.i; }; constexpr auto foo = foo_t<int>{}; $ arm-none-eabi-g++.exe -std=c++14 ice-20160504.cpp ice-20160504.cpp:13:33: internal compiler error: in tsubst_copy, at cp/pt.c:13008 constexpr auto foo = foo_t<int>{}; ^ ... $ arm-none-eabi-g++.exe -V ... gcc version 5.3.1 20160307 (release) [ARM/embedded-5-branch revision 234589] (GNU Tools for ARM Embedded Processors)