https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64218
--- Comment #4 from Markus Trippelsdorf <trippels at gcc dot gnu.org> --- Created attachment 34221 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=34221&action=edit Somewhat reduced testcase Somewhat reduced, still over 1000 lines of code. trippels@gcc20 boost_root % g++ -w -c -O2 -std=c++11 recursive_variant_test.ii recursive_variant_test.ii:1450:1: internal compiler error: Segmentation fault } ^ 0xcc9fef crash_signal ../../gcc/gcc/toplev.c:358 0x900e72 symtab_node::get_alias_target() ../../gcc/gcc/cgraph.h:2247 0x900e72 symtab_node::ultimate_alias_target(availability*) ../../gcc/gcc/symtab.c:1293 0x1314a0a cgraph_node::ultimate_alias_target(availability*) ../../gcc/gcc/cgraph.h:2690 0x1314a0a want_inline_function_to_all_callers_p ../../gcc/gcc/ipa-inline.c:840 0x1314a0a ipa_inline ../../gcc/gcc/ipa-inline.c:2245 0x1314a0a execute ../../gcc/gcc/ipa-inline.c:2558 Please submit a full bug report, with preprocessed source if appropriate. Please include the complete backtrace with any bug report. See <http://gcc.gnu.org/bugs.html> for instructions.