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[Loïc Minier <lool@xxxxxxxx>]

** Changed in: gcc-linaro
       Status: Confirmed => Triaged

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https://bugs.launchpad.net/bugs/850099

Title:
  Current gcc 4.6-11.09 tip fails to build kernel

Status in Linaro GCC:
  Triaged
Status in Linaro Android:
  Confirmed

Bug description:
  Building the iMX53 kernel with current gcc 4.6-11.09 tip results in:

  arch/arm/kernel/built-in.o: In function `armpmu_event_set_period':
  io.c:(.text+0x7d3c): undefined reference to `__aeabi_lcmp'
  io.c:(.text+0x7d74): undefined reference to `__aeabi_lcmp'
  io.c:(.text+0x7dcc): undefined reference to `__aeabi_lcmp'
  arch/arm/vfp/built-in.o: In function `vfp_compare.isra.1':
  vfpdouble.c:(.text+0x30f0): undefined reference to `__aeabi_lcmp'
  kernel/built-in.o: In function `update_min_vruntime':
  crash_dump.c:(.text+0x1a4): undefined reference to `__aeabi_lcmp'
  kernel/built-in.o:crash_dump.c:(.text+0x9d4): more undefined references to `__aeabi_lcmp' follow
  make[1]: *** [.tmp_vmlinux1] Error 1

  The same kernel compiles fine with the 4.6-11.08 toolchain, and
  compiled with 4.6-11.09 tip from a couple of days ago (probably before
  the last upstream merge).

  
  Also affects other kernels (at least Snowball) - IMO this needs to be fixed before the release

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