[Bug 1065122] Re: kumofs ftbfs on armhf (gcc ICE)

[Rolf Leggewie]

quantal has seen the end of its life and is no longer receiving any
updates. Marking the quantal task for this ticket as "Won't Fix".

** Changed in: gcc-4.7 (Ubuntu Quantal)
       Status: Triaged => Won't Fix

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Title:
  kumofs ftbfs on armhf (gcc ICE)

Status in The GNU Compiler Collection:
  Fix Released
Status in Linaro GCC:
  Fix Released
Status in gcc-4.7 package in Ubuntu:
  Fix Released
Status in kumofs package in Ubuntu:
  Confirmed
Status in gcc-4.7 source package in Quantal:
  Won't Fix
Status in kumofs source package in Quantal:
  New

Bug description:
  see https://launchpad.net/ubuntu/+archive/test-
  rebuild-20120922/+build/3821082

  works with 4.6, fails with 4.7 (both fsf and linaro)

  $ g++-4.7 -c -g cluster.ii cluster.cc: In member function 'bool rpc::node::set_role(rpc::role_type)':
  cluster.cc:88:1: error: unrecognizable insn:
  (insn 16 15 17 3 (parallel [
              (set (reg:CC_Z 24 cc)
                  (unspec_volatile:CC_Z [
                          (const_int 0 [0])
                      ] VUNSPEC_ATOMIC_CAS))
              (set (reg:SI 146)
                  (zero_extend:SI (mem/v:HI (reg/f:SI 134 [ D.146641 ]) [-1 S2 A16])))
              (set (mem/v:HI (reg/f:SI 134 [ D.146641 ]) [-1 S2 A16])
                  (unspec_volatile:HI [
                          (reg:HI 147)
                          (subreg/s/u:HI (reg:SI 135 [ D.146642 ]) 0)
                          (const_int 0 [0])
                          (const_int 5 [0x5])
                          (const_int 5 [0x5])
                      ] VUNSPEC_ATOMIC_CAS))
              (clobber (scratch:SI))
          ]) cluster.cc:87 -1
       (nil))
  cluster.cc:88:1: internal compiler error: in extract_insn, at recog.c:2123
  Please submit a full bug report,
  with preprocessed source if appropriate.

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