https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99241
Patrick Palka <ppalka at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |ppalka at gcc dot gnu.org --- Comment #9 from Patrick Palka <ppalka at gcc dot gnu.org> --- Reduced (needs -fno-module-lazy): $ cat 99241_a.H void terminate(); $ cat 99241_b.H void terminate(); $ cat 99241_c.C import "99242_a.H"; void terminate(); import "99242_b.H"; $ g++ -fmodules-ts -fno-module-lazy 99241_* 99242_c.H:3:20: internal compiler error: in install_entity, at cp/module.cc:7649 3 | import "99242_b.H"; | ^ 0x77821f trees_in::install_entity(tree_node*)