[Bug middle-end/51130] New: ICE: in create_tmp_var, at gimplify.c:468 with -fgnu-tm and __transaction_atomic

[zsojka at seznam dot cz]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51130

             Bug #: 51130
           Summary: ICE: in create_tmp_var, at gimplify.c:468 with
                    -fgnu-tm and __transaction_atomic
    Classification: Unclassified
           Product: gcc
           Version: 4.7.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: middle-end
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: zsojka@seznam.cz
                CC: amacleod@redhat.com
              Host: x86_64-pc-linux-gnu
            Target: x86_64-pc-linux-gnu


Created attachment 25819
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=25819
reduced testcase

Compiler output:
$ gcc -fgnu-tm testcase.C 
testcase.C: In function 'void foo()':
testcase.C:9:1: internal compiler error: in create_tmp_var, at gimplify.c:468
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.

(gdb) bt
#0  fancy_abort (file=0x142dbe0 "/mnt/svn/gcc-trunk/gcc/gimplify.c", line=468,
function=0x142eae3 "create_tmp_var")
    at /mnt/svn/gcc-trunk/gcc/diagnostic.c:898
#1  0x00000000009a58a4 in create_tmp_var (type=Unhandled dwarf expression
opcode 0xf3
) at /mnt/svn/gcc-trunk/gcc/gimplify.c:468
#2  0x00000000009b814b in create_tmp_from_val (val=0x7ffff570f1b0,
pre_p=0x7fffffffd6d8, post_p=Unhandled dwarf expression opcode 0xf3
) at /mnt/svn/gcc-trunk/gcc/gimplify.c:498
#3  lookup_tmp_var (val=0x7ffff570f1b0, pre_p=0x7fffffffd6d8, post_p=Unhandled
dwarf expression opcode 0xf3
) at /mnt/svn/gcc-trunk/gcc/gimplify.c:515
#4  internal_get_tmp_var (val=0x7ffff570f1b0, pre_p=0x7fffffffd6d8,
post_p=Unhandled dwarf expression opcode 0xf3
) at /mnt/svn/gcc-trunk/gcc/gimplify.c:584
#5  0x00000000009a7b21 in gimplify_expr (expr_p=Unhandled dwarf expression
opcode 0xf3
) at /mnt/svn/gcc-trunk/gcc/gimplify.c:7694
#6  0x00000000009b85b2 in gimplify_addr_expr (expr_p=0x7fffffffd648,
pre_p=0x7fffffffd6d8, post_p=Unhandled dwarf expression opcode 0xf3
) at /mnt/svn/gcc-trunk/gcc/gimplify.c:4904
#7  0x00000000009a8d6b in gimplify_expr (expr_p=Unhandled dwarf expression
opcode 0xf3
) at /mnt/svn/gcc-trunk/gcc/gimplify.c:6916
#8  0x00000000009bdf31 in force_gimple_operand_1 (expr=0x7ffff570c7d0,
stmts=0x7fffffffd6d8, gimple_test_f=0x982b10 <is_gimple_val(tree)>, var=0x0)
    at /mnt/svn/gcc-trunk/gcc/gimplify.c:8351
#9  0x00000000009be0d3 in force_gimple_operand_gsi_1 (gsi=0x7fffffffd7c0,
expr=Unhandled dwarf expression opcode 0xf3
) at /mnt/svn/gcc-trunk/gcc/gimplify.c:8391
#10 0x0000000000b681c9 in expand_assign_tm (region=0x1bc21b0,
gsi=0x7fffffffd7c0) at /mnt/svn/gcc-trunk/gcc/trans-mem.c:2173
#11 0x0000000000b6dacf in expand_block_tm () at
/mnt/svn/gcc-trunk/gcc/trans-mem.c:2324
#12 execute_tm_mark () at /mnt/svn/gcc-trunk/gcc/trans-mem.c:2436
#13 0x0000000000a6d8a8 in execute_one_pass (pass=0x1995e40) at
/mnt/svn/gcc-trunk/gcc/passes.c:2074
#14 0x0000000000a6dc15 in execute_pass_list (pass=0x1995e40) at
/mnt/svn/gcc-trunk/gcc/passes.c:2129
#15 0x0000000000a6dc27 in execute_pass_list (pass=0x1995ea0) at
/mnt/svn/gcc-trunk/gcc/passes.c:2130
#16 0x0000000000bcef9e in tree_rest_of_compilation (fndecl=0x7ffff56fd500) at
/mnt/svn/gcc-trunk/gcc/tree-optimize.c:420
#17 0x000000000082458a in cgraph_expand_function (node=0x7ffff5587a20) at
/mnt/svn/gcc-trunk/gcc/cgraphunit.c:1819
#18 0x000000000082678a in cgraph_output_in_order () at
/mnt/svn/gcc-trunk/gcc/cgraphunit.c:1984
#19 cgraph_optimize () at /mnt/svn/gcc-trunk/gcc/cgraphunit.c:2192
#20 0x0000000000826a6a in cgraph_finalize_compilation_unit () at
/mnt/svn/gcc-trunk/gcc/cgraphunit.c:1327
#21 0x0000000000647d3b in cp_write_global_declarations () at
/mnt/svn/gcc-trunk/gcc/cp/decl2.c:4050
#22 0x0000000000b62874 in compile_file (argc=14, argv=0x7fffffffdae8) at
/mnt/svn/gcc-trunk/gcc/toplev.c:581
#23 do_compile (argc=14, argv=0x7fffffffdae8) at
/mnt/svn/gcc-trunk/gcc/toplev.c:1931
#24 toplev_main (argc=14, argv=0x7fffffffdae8) at
/mnt/svn/gcc-trunk/gcc/toplev.c:2007
#25 0x00007ffff6178d2d in __libc_start_main () from /lib64/libc.so.6
#26 0x000000000056bca9 in _start ()

Tested revisions:
r181296 - crash