drivers/scsi/pcmcia/aha152x_core.o: warning: objtool: is_complete()+0x83: unreachable instruction

[kbuild test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   c0a3a64e723324ae6dda53214061a71de63808c3
commit: 39358a033b2e4432052265c1fa0f36f572d8cfb5 objtool, x86: Add facility for asm code to provide unwind hints
date:   10 weeks ago
config: x86_64-randconfig-v0-09231149 (attached as .config)
compiler: gcc-4.4 (Debian 4.4.7-8) 4.4.7
reproduce:
        git checkout 39358a033b2e4432052265c1fa0f36f572d8cfb5
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All warnings (new ones prefixed by >>):

>> drivers/scsi/pcmcia/aha152x_core.o: warning: objtool: is_complete()+0x83: unreachable instruction

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