bfd/efl32-arm.c: Fix handling of IRELATIVE relocs.

bfd/ChangeLog:

2013-05-28  Will Newton  <will.newton@linaro.org>

	* elf32-arm.c (elf32_arm_populate_plt_entry): Call
	elf32_arm_add_dynreloc when emitting R_ARM_IRELATIVE relocs.

ld/testsuite/ChangeLog:

2013-05-28  Will Newton  <will.newton@linaro.org>

	* ld-arm/arm-elf.exp: Add IFUNC test 17.
	* ld-arm/ifunc-17.dd: New file.
	* ld-arm/ifunc-17.gd: Likewise.
	* ld-arm/ifunc-17.rd: Likewise.
	* ld-arm/ifunc-17.s: Likweise.
	* ld-arm/ifunc-1.rd: Reorder relocs to match linker output.
	* ld-arm/ifunc-2.rd: Likewise.
	* ld-arm/ifunc-5.rd: Likewise.
	* ld-arm/ifunc-6.rd: Likewise.
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