https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93380
--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> --- (In reply to Robert Dumitru from comment #2) > Hi Andrew, > > Thank you for your pointing out that. I will report the issue to ARM as well. > However, regarding 1 and 2: > > 1. I understand this looks like a gdb bug, but my investigation pointed me > to consider that what gdb does is correct- at least partially. It tries to > read the memory to find the size of the array. If the memory is not > initialised with the correct value, the size can be huge - hence - virtual > memory exhausted bug. > I will try and check with a newer gdb. Maybe gdb should know the expression > can not be evaluated before right instructions are executed? But there should be a limit inside GDB to know the size is most likely bogus.