https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100573
--- Comment #12 from Jakub Jelinek <jakub at gcc dot gnu.org> --- With incremental --- gcc/omp-offload.c.jj 2021-05-25 13:43:01.341137265 +0200 +++ gcc/omp-offload.c 2021-05-25 20:07:01.934506823 +0200 @@ -2696,8 +2696,16 @@ pass_omp_target_link::execute (function { gimple_stmt_iterator gsi; for (gsi = gsi_start_bb (bb); !gsi_end_p (gsi); gsi_next (&gsi)) - if (walk_gimple_stmt (&gsi, NULL, find_link_var_op, NULL)) - gimple_regimplify_operands (gsi_stmt (gsi), &gsi); + { + if (gimple_call_builtin_p (gsi_stmt (gsi), BUILT_IN_GOMP_TARGET)) + { + /* Nullify the second argument of __builtin_GOMP_target_ext. */ + gimple_call_set_arg (gsi_stmt (gsi), 1, null_pointer_node); + update_stmt (gsi_stmt (gsi)); + } + if (walk_gimple_stmt (&gsi, NULL, find_link_var_op, NULL)) + gimple_regimplify_operands (gsi_stmt (gsi), &gsi); + } } return 0; I see it fail with Linking Link complete: 0.000000ms Link log info : 240 bytes gmem, 1414 bytes cmem[3] libgomp: cuModuleGetFunction error: named symbol not found libgomp: Cannot map target functions or variables (expected 9, have 4294967295) (target-41.c with GOMP_DEBUG=1), but it is unclear from that which named symbol wasn't found. Any idea how to troubleshoot what is missing?