[Bug tree-optimization/26213] [4.2 Regression] new (within last few days) infinite loop with -O1

[pinskia at gcc dot gnu dot org]

------- Comment #1 from pinskia at gcc dot gnu dot org  2006-02-10 14:24 -------
Confirmed, the backtrace:
#0  0x004c0784 in thread_across_edge (dummy_cond=0x41ee29f0, e=0x41ee24e0,
handle_dominating_asserts=0 '\0', stack=0x6c9530, simplify=0x422674
<simplify_stmt_for_jump_threading>) at
/Users/pinskia/src/gcc/local/gcc/gcc/tree-ssa-threadedge.c:445
#1  0x0042359c in dom_opt_finalize_block (walk_data=0x41ee24e0, bb=0x41ee21b0)
at /Users/pinskia/src/gcc/local/gcc/gcc/tree-ssa-dom.c:722
#2  0x0042359c in dom_opt_finalize_block (walk_data=0xbffff80c, bb=0x41ee1930)
at /Users/pinskia/src/gcc/local/gcc/gcc/tree-ssa-dom.c:722
#3  0x0049b044 in walk_dominator_tree (walk_data=0xbffff80c, bb=0x41ee1930) at
/Users/pinskia/src/gcc/local/gcc/gcc/domwalk.c:234
#4  0x0049aff0 in walk_dominator_tree (walk_data=0xbffff80c, bb=0x41ee1850) at
/Users/pinskia/src/gcc/local/gcc/gcc/domwalk.c:212
#5  0x0049aff0 in walk_dominator_tree (walk_data=0xbffff80c, bb=0x41ee1770) at
/Users/pinskia/src/gcc/local/gcc/gcc/domwalk.c:212
#6  0x0049aff0 in walk_dominator_tree (walk_data=0xbffff80c, bb=0x41ee15b0) at
/Users/pinskia/src/gcc/local/gcc/gcc/domwalk.c:212


-- 

pinskia at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |law at gcc dot gnu dot org
             Status|UNCONFIRMED                 |NEW
          Component|c                           |tree-optimization
     Ever Confirmed|0                           |1
  GCC build triplet|x86_64-unknown-linux-gnu    |
   GCC host triplet|x86_64-unknown-linux-gnu    |
 GCC target triplet|x86_64-unknown-linux-gnu    |
           Keywords|                            |compile-time-hog
   Last reconfirmed|0000-00-00 00:00:00         |2006-02-10 14:24:16
               date|                            |
            Summary|new (within last few days)  |[4.2 Regression] new (within
                   |infinite loop with -O1      |last few days) infinite loop
                   |                            |with -O1
   Target Milestone|---                         |4.2.0


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26213