[Bug tree-optimization/46469] New: [4.6 Regression] ICE: verify_cgraph_node failed: inline clone is needed at -O

[zsojka at seznam dot cz]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46469

           Summary: [4.6 Regression] ICE: verify_cgraph_node failed:
                    inline clone is needed at -O
           Product: gcc
           Version: 4.6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: tree-optimization
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: zsojka@seznam.cz
              Host: x86_64-pc-linux-gnu
            Target: x86_64-pc-linux-gnu


Created attachment 22387
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=22387
reduced testcase

Compiler output:
$ gcc -O pr46469.C 
pr46469.C: In function 'int identifierByPthreadHandle()':
pr46469.C:12:19: error: inline clone is needed
int pthread_equal()/0(0) @0x7ff98720b000 (asm: pthread_equal) (inline copy in
int identifierByPthreadHandle()/2) availability:available analyzed 2 time, 13
benefit 3 size, 5 benefit needed reachable body finalized always_inline
  called by: int identifierByPthreadHandle()/2 (1.00 per call) (inlined) 
  calls: 
  References: 
  Refering this function: 
pr46469.C:12:19: internal compiler error: verify_cgraph_node failed
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.

Backtrace:
(gdb) bt
#0  error (gmsgid=0x12f7fa0 "inline clone is needed") at
/mnt/svn/gcc-trunk/gcc/diagnostic.c:747
#1  0x0000000000c11e6c in verify_cgraph_node (node=0x7ffff5d1c000) at
/mnt/svn/gcc-trunk/gcc/cgraphunit.c:485
#2  0x0000000000c48ca5 in expand_call_inline (fn=0x7ffff5d0d300) at
/mnt/svn/gcc-trunk/gcc/tree-inline.c:3831
#3  gimple_expand_calls_inline (fn=0x7ffff5d0d300) at
/mnt/svn/gcc-trunk/gcc/tree-inline.c:4081
#4  optimize_inline_calls (fn=0x7ffff5d0d300) at
/mnt/svn/gcc-trunk/gcc/tree-inline.c:4232
#5  0x0000000000c1ef07 in cgraph_early_inlining () at
/mnt/svn/gcc-trunk/gcc/ipa-inline.c:1831
#6  0x000000000090723f in execute_one_pass (pass=0x177c880) at
/mnt/svn/gcc-trunk/gcc/passes.c:1560
#7  0x0000000000907505 in execute_pass_list (pass=0x177c880) at
/mnt/svn/gcc-trunk/gcc/passes.c:1615
#8  0x000000000090672c in do_per_function_toporder (callback=0x9074f0
<execute_pass_list>, data=0x1779c00)
    at /mnt/svn/gcc-trunk/gcc/passes.c:1153
#9  0x00000000009079b6 in execute_ipa_pass_list (pass=0x1779d20) at
/mnt/svn/gcc-trunk/gcc/passes.c:1932
#10 0x0000000000c154c8 in ipa_passes () at
/mnt/svn/gcc-trunk/gcc/cgraphunit.c:1694
#11 cgraph_optimize () at /mnt/svn/gcc-trunk/gcc/cgraphunit.c:1763
#12 0x0000000000c1568a in cgraph_finalize_compilation_unit () at
/mnt/svn/gcc-trunk/gcc/cgraphunit.c:1015
#13 0x0000000000585c1d in cp_write_global_declarations () at
/mnt/svn/gcc-trunk/gcc/cp/decl2.c:3973
#14 0x00000000009f3e86 in compile_file (argc=3, argv=0x7fffffffdf28) at
/mnt/svn/gcc-trunk/gcc/toplev.c:885
#15 do_compile (argc=3, argv=0x7fffffffdf28) at
/mnt/svn/gcc-trunk/gcc/toplev.c:2313
#16 toplev_main (argc=3, argv=0x7fffffffdf28) at
/mnt/svn/gcc-trunk/gcc/toplev.c:2374
#17 0x00007ffff6579bbd in __libc_start_main () from /lib/libc.so.6
#18 0x00000000004cadf5 in _start ()

Tested revisions:
r166703 - crash
r165699 - OK
4.5 r166509 - OK