linux-kernel - net/ipv4/fib_semantics.c:1219:1: internal compiler error: output

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Date:   Sun, 18 Sep 2016 00:24:06 +0800
From:   kbuild test robot <fengguang.wu@...el.com>
To:     Julian Anastasov <ja@....bg>
Cc:     kbuild-all@...org, linux-kernel@...r.kernel.org,
        Andy Gospodarek <gospo@...ulusnetworks.com>
Subject: net/ipv4/fib_semantics.c:1219:1: internal compiler error:
 output_operand: unrecognized address

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   4d2899d73c4734cd04edb9409a72d0ef637cfb06
commit: 80610229ef7b26615dbb6cb6e873709a60bacc9f ipv4: reject RTNH_F_DEAD and RTNH_F_LINKDOWN from user space
date:   10 weeks ago
config: cris-artpec_3_defconfig (attached as .config)
compiler: cris-linux-gcc (GCC) 6.2.0
reproduce:
        wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout 80610229ef7b26615dbb6cb6e873709a60bacc9f
        # save the attached .config to linux build tree
        make.cross ARCH=cris 

All errors (new ones prefixed by >>):

   (post_inc:SI (reg:SI 15 acr))
   net/ipv4/fib_semantics.c: In function 'fib_create_info':
>> net/ipv4/fib_semantics.c:1219:1: internal compiler error: output_operand: unrecognized address
    }
    ^
   0x6f7b1f output_operand_lossage(char const*, ...)
   	/c/gcc/gcc/final.c:3409
   0x6f7dc3 output_address(machine_mode, rtx_def*)
   	/c/gcc/gcc/final.c:3859
   0x6f7d1c output_operand(rtx_def*, int)
   	/c/gcc/gcc/final.c:3843
   0x6f81df output_asm_insn(char const*, rtx_def**)
   	/c/gcc/gcc/final.c:3759
   0x6f9c8c output_asm_insn(char const*, rtx_def**)
   	/c/gcc/gcc/final.c:3010
   0x6f9c8c final_scan_insn(rtx_insn*, _IO_FILE*, int, int, int*)
   	/c/gcc/gcc/final.c:3015
   0x6fa189 final(rtx_insn*, _IO_FILE*, int)
   	/c/gcc/gcc/final.c:2045
   0x6fa697 rest_of_handle_final
   	/c/gcc/gcc/final.c:4441
   0x6fa697 execute
   	/c/gcc/gcc/final.c:4516
   Please submit a full bug report,
   with preprocessed source if appropriate.
   Please include the complete backtrace with any bug report.
   See <http://gcc.gnu.org/bugs.html> for instructions.
   {standard input}: Assembler messages:
   {standard input}:843: Warning: end of file not at end of a line; newline inserted
   {standard input}:844: Error: Illegal operands

vim +1219 net/ipv4/fib_semantics.c

^1da177e Linus Torvalds    2005-04-16  1213  	if (fi) {
^1da177e Linus Torvalds    2005-04-16  1214  		fi->fib_dead = 1;
^1da177e Linus Torvalds    2005-04-16  1215  		free_fib_info(fi);
^1da177e Linus Torvalds    2005-04-16  1216  	}
4e902c57 Thomas Graf       2006-08-17  1217  
4e902c57 Thomas Graf       2006-08-17  1218  	return ERR_PTR(err);
^1da177e Linus Torvalds    2005-04-16 @1219  }
^1da177e Linus Torvalds    2005-04-16  1220  
15e47304 Eric W. Biederman 2012-09-07  1221  int fib_dump_info(struct sk_buff *skb, u32 portid, u32 seq, int event,
37e826c5 David S. Miller   2011-03-24  1222  		  u32 tb_id, u8 type, __be32 dst, int dst_len, u8 tos,

:::::: The code at line 1219 was first introduced by commit
:::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2

:::::: TO: Linus Torvalds <torvalds@...970.osdl.org>
:::::: CC: Linus Torvalds <torvalds@...970.osdl.org>

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