https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89545
--- Comment #5 from H.J. Lu <hjl.tools at gmail dot com> --- (In reply to Richard Biener from comment #3) > It probably implements what we do but changing 32 to 1024*1024 shows that we > (possibly up to MAX_OFILE_ALIGNMENT) align parameters to arbitrarily high X86 backend can align stack up to MAX_OFILE_ALIGNMENT. > values. Maybe we should cap that to some value (but make sure to not run > into issues like PR89544). > > The footnote could cite an example using _Alignas. We don't need a limit in psABI. But GCC can set a reasonable limit like MAX_OFILE_ALIGNMENT.
