[PATCH][AArch64] Fix PR 56809

[Kyrylo Tkachov]

Hi all,

This patch fixes a PR that was exposed in the recent jump table
reorganisation.
We should use next_active_insn instead of next_real_insn in the jump table
handling code.

This fixes the incorrect assembly generation that we get when building
newlib for aarch64.

Tested aarch64-none-elf.
A testcase to gcc.dg is added with the separate arm patch.

Ok for trunk?

Thanks,
Kyrill

gcc/ChangeLog

2013-04-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	PR target/56809
	* config/aarch64/aarch64.c (is_jump_table): Use next_active_insn
instead of
	next_real_insn.
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