On 11/29/18 12:26 PM, Wilco Dijkstra wrote: > Fix PR64242 - the middle end expansion for long jmp updates the > hard frame pointer before it reads the new stack pointer. This > results in a corrupted stack pointer if the jmp buffer is a local. > The obvious fix is to insert a temporary. > > AArch64 bootstrap & regress pass. OK to commit? > > ChangeLog: > 2018-11-29 Wilco Dijkstra <wdijk...@arm.com> > > gcc/ > PR middle-end/64242 > * builtins.c (expand_builtin_longjmp): Use a temporary when restoring > the frame pointer. > (expand_builtin_nonlocal_goto): Likewise. > > testsuite/ > PR middle-end/64242 > * gcc.c-torture/execute/pr64242.c: New test. THanks for tracking this down. I'd like to have this run through my next testing cycle, so I went ahead and installed it for you.
Thanks again, Jeff
