https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78468
Wilco <wdijkstr at arm dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |wdijkstr at arm dot com --- Comment #38 from Wilco <wdijkstr at arm dot com> --- (In reply to Rainer Orth from comment #37) > This patch > > 2017-09-05 Wilco Dijkstra <wdijk...@arm.com> > > * explow.c (get_dynamic_stack_size): Improve dynamic alignment. > > brought the exact same set of failures back on sparc-sun-solaris2.11. > > Rainer The existing alloca code relies on STACK_BOUNDARY being set correctly. Has the value been fixed already for the OS variants mentioned? If stack alignment can't be guaranteed by OS/runtime/prolog, STACK_BOUNDARY should be 8.