exec: Save CPUState::exception_index field This patch adds a subsection with exception_index field to the VMState for correct saving the CPU state. Without this patch, simulator could miss the pending exception in the saved virtual machine state. Signed-off-by: Pavel Dovgalyuk <pavel.dovgaluk@ispras.ru> Cc: qemu-stable@nongnu.org Signed-off-by: Andreas Färber <afaerber@suse.de>