[Bug debug/96383] [8/9/10/11 Regression] Full ABI information missing from GCC compiled C

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96383

--- Comment #15 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Unless we want for C/C++ to emit DW_AT_external DIEs for all function
prototypes that appear in the TU, we need ME help, because only there we
analyze the callgraph and prune  cgraph nodes that are unreachable.