Add -fcombine check to allow IMA compiling w/ gcc 4.x
Add -fcombine check to allow IMA compiling w/ gcc 4.x

gittup/uClibc,groundwater/uClibc,klee/klee-uclibc,m-labs/uclibc-lm32,skristiansson/uClibc-or1k,majek/uclibc-vx32,ysat0/uClibc,czankel/xtensa-uclibc,ddcc/klee-uclibc-0.9.33.2,majek/uclibc-vx32,mephi42/uClibc,skristiansson/uClibc-or1k,kraj/uClibc,hwoarang/uClibc,czankel/xtensa-uclibc,OpenInkpot-archive/iplinux-uclibc,gittup/uClibc,ffainelli/uClibc,kraj/uclibc-ng,ndmsystems/uClibc,mephi42/uClibc,foss-for-synopsys-dwc-arc-processors/uClibc,waweber/uclibc-clang,ChickenRunjyd/klee-uclibc,foss-xtensa/uClibc,gittup/uClibc,hwoarang/uClibc,ysat0/uClibc,majek/uclibc-vx32,atgreen/uClibc-moxie,ddcc/klee-uclibc-0.9.33.2,foss-for-synopsys-dwc-arc-processors/uClibc,mephi42/uClibc,majek/uclibc-vx32,hwoarang/uClibc,waweber/uclibc-clang,wbx-github/uclibc-ng,foss-for-synopsys-dwc-arc-processors/uClibc,brgl/uclibc-ng,foss-for-synopsys-dwc-arc-processors/uClibc,foss-xtensa/uClibc,groundwater/uClibc,klee/klee-uclibc,m-labs/uclibc-lm32,atgreen/uClibc-moxie,hjl-tools/uClibc,groundwater/uClibc,hwoarang/uClibc,brgl/uclibc-ng,foss-xtensa/uClibc,ndmsystems/uClibc,czankel/xtensa-uclibc,klee/klee-uclibc,klee/klee-uclibc,m-labs/uclibc-lm32,ffainelli/uClibc,mephi42/uClibc,wbx-github/uclibc-ng,ffainelli/uClibc,foss-xtensa/uClibc,waweber/uclibc-clang,brgl/uclibc-ng,czankel/xtensa-uclibc,kraj/uclibc-ng,skristiansson/uClibc-or1k,kraj/uclibc-ng,groundwater/uClibc,ChickenRunjyd/klee-uclibc,OpenInkpot-archive/iplinux-uclibc,ysat0/uClibc,groundwater/uClibc,hjl-tools/uClibc,ysat0/uClibc,ndmsystems/uClibc,ddcc/klee-uclibc-0.9.33.2,kraj/uclibc-ng,kraj/uClibc,wbx-github/uclibc-ng,hjl-tools/uClibc,kraj/uClibc,atgreen/uClibc-moxie,ffainelli/uClibc,wbx-github/uclibc-ng,ndmsystems/uClibc,gittup/uClibc,skristiansson/uClibc-or1k,kraj/uClibc,ChickenRunjyd/klee-uclibc,ChickenRunjyd/klee-uclibc,OpenInkpot-archive/iplinux-uclibc,hjl-tools/uClibc,ffainelli/uClibc,hjl-tools/uClibc,m-labs/uclibc-lm32,ddcc/klee-uclibc-0.9.33.2,atgreen/uClibc-moxie,brgl/uclibc-ng,waweber/uclibc-clang,OpenInkpot-archive/iplinux-uclibc