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[Bug tree-optimization/17340] [4.0 Regression] Internal error compiling with -O3

From: "steven at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
To: gcc-bugs at gcc dot gnu dot org
Date: 7 Dec 2004 09:27:40 -0000
Subject: [Bug tree-optimization/17340] [4.0 Regression] Internal error compiling with -O3
References: <20040906232521.17340.mckelvey@maskull.com>
Reply-to: gcc-bugzilla at gcc dot gnu dot org

------- Additional Comments From steven at gcc dot gnu dot org  2004-12-07 09:27 -------
This dies at "-O1 -fno-inline" when allocating the conflict graph: 
#0  xmalloc_failed (size=142104496) at xmalloc.c:118 
#1  0x00000000007c774b in xcalloc (nelem=Variable "nelem" is not available.) 
at xmalloc.c:161 
#2  0x0000000000766852 in global_alloc (file=0x0) at global.c:526 
#3  0x0000000000713123 in rest_of_compilation () at passes.c:529 
#4  0x00000000004baa8f in execute_pass_list (pass=0xa1c340) at 
tree-optimize.c:516 
#5  0x00000000004bad29 in tree_rest_of_compilation (fndecl=0x2a9def2e00) at 
tree-optimize.c:652 
#6  0x0000000000470cf2 in expand_body (fn=0x2a9def2e00) at semantics.c:2901 
#7  0x0000000000735111 in cgraph_expand_function (node=0x2aa00720e0) at 
cgraphunit.c:822 
 
It *cough* dies somewhere else at "-O2": 
#14001 0x00000000004d2ac8 in compute_avail (block=0x2aa73ccb60) at 
tree-ssa-pre.c:1866 
#14002 0x00000000004d2ac8 in compute_avail (block=0x2aa73cca80) at 
tree-ssa-pre.c:1866 
#14003 0x00000000004d2ac8 in compute_avail (block=0x2aa73cc9a0) at 
tree-ssa-pre.c:1866 
#14004 0x00000000004d2ac8 in compute_avail (block=0x2aa73cc8c0) at 
tree-ssa-pre.c:1866 
#14005 0x00000000004d2ac8 in compute_avail (block=0x2aa73cc7e0) at 
tree-ssa-pre.c:1866 
#14006 0x00000000004d2ac8 in compute_avail (block=0x2aa73cc700) at 
tree-ssa-pre.c:1866 
#14007 0x00000000004d2ac8 in compute_avail (block=0x2aa73cc620) at 
tree-ssa-pre.c:1866 
#14008 0x00000000004d2ac8 in compute_avail (block=0x2aa73cc0e0) at 
tree-ssa-pre.c:1866 
#14009 0x00000000004d2ac8 in compute_avail (block=0x2aa73cc000) at 
tree-ssa-pre.c:1866 
#14010 0x00000000004d2ac8 in compute_avail (block=0x2aa7386ee0) at 
tree-ssa-pre.c:1866 
#14011 0x00000000004d2ac8 in compute_avail (block=0x2aa7386e00) at 
tree-ssa-pre.c:1866 
#14012 0x00000000004d2ac8 in compute_avail (block=0x2aa7386d20) at 
tree-ssa-pre.c:1866 
#14013 0x00000000004d2ac8 in compute_avail (block=0x2aa7386c40) at 
tree-ssa-pre.c:1866 
#14014 0x00000000004d2ac8 in compute_avail (block=0x2aa7386b60) at 
tree-ssa-pre.c:1866 
#14015 0x00000000004d2ac8 in compute_avail (block=0x2aa7386a80) at 
tree-ssa-pre.c:1866 
#14016 0x00000000004d2ac8 in compute_avail (block=0x2aa73869a0) at 
tree-ssa-pre.c:1866 
#14017 0x00000000004d2ac8 in compute_avail (block=0x2aa73868c0) at 
tree-ssa-pre.c:1866 
#14018 0x00000000004d2ac8 in compute_avail (block=0x2aa73867e0) at 
tree-ssa-pre.c:1866 
#14019 0x00000000004d2ac8 in compute_avail (block=0x2aa7386700) at 
tree-ssa-pre.c:1866 
#14020 0x00000000004d2ac8 in compute_avail (block=0x2aa7386620) at 
tree-ssa-pre.c:1866 
#14021 0x00000000004d2ac8 in compute_avail (block=0x2aa73861c0) at 
tree-ssa-pre.c:1866 

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |dberlin at dberlin dot org


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17340

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