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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 09:40:30 -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 09:40 -------
With "-fno-tree-pre" we still die in global.c, only somewhere else this time:
#0 xmalloc_failed (size=4072) at xmalloc.c:118
#1 0x00000000007c7777 in xmalloc (size=Variable "size" is not available.) at
xmalloc.c:145
#2 0x0000002a956d8ff7 in _obstack_newchunk () from /lib64/tls/libc.so.6
#3 0x0000000000505ea6 in bitmap_elt_insert_after (head=0x7fbfffe230,
elt=0x1b7ade30) at bitmap.c:110
#4 0x0000000000506f2b in bitmap_and_compl (dst=0x7fbfffe230, a=Variable "a"
is not available.) at bitmap.c:661
#5 0x0000000000507017 in bitmap_ior_and_compl (dst=0x4803960, a=0x4803900,
from1=Variable "from1" is not available.) at bitmap.c:1120
#6 0x000000000076628d in make_accurate_live_analysis () at global.c:2307
#7 0x00000000007663ed in global_alloc (file=0x0) at global.c:347
#8 0x0000000000713123 in rest_of_compilation () at passes.c:529
Not really surprising, given this:
(gdb) p max_regno
$6 = 65597
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17340