https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69685
Richard Biener <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Target| |avr --- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> --- You can look where gcc "hangs" by appending -v to the command-line, looking for the command that hangs (likely a ../gcc/cc1 invocation) and attaching to that process with gdb.