[Bug tree-optimization/28624] [4.2 regression] latent segfault in remove_phi_node
------- Comment #2 from tbm at cyrius dot com 2006-08-06 18:39 -------
Program received signal SIGSEGV, Segmentation fault.
remove_phi_node (phi=0x2ace1982f900, prev=0x0) at gcc/tree-phinodes.c:458
458 loc = &PHI_CHAIN (*loc))
(gdb) where
#0 remove_phi_node (phi=0x2ace1982f900, prev=0x0)
at gcc/tree-phinodes.c:458
#1 0x000000000059fd57 in remove_stmt_or_phi (t=0x0)
at gcc/tree-ssa-dom.c:2086
#2 0x00000000005a5af8 in eliminate_degenerate_phis ()
at gcc/tree-ssa-dom.c:2486
#3 0x000000000089568c in execute_one_pass (pass=0xd370b0)
at gcc/passes.c:864
#4 0x00000000008957fc in execute_pass_list (pass=0xd370b0)
at gcc/passes.c:911
#5 0x000000000089580e in execute_pass_list (pass=0xc77d60)
at gcc/passes.c:912
#6 0x000000000055ebda in tree_rest_of_compilation (fndecl=0x2ace195b6540)
at gcc/tree-optimize.c:418
#7 0x00000000004d3a18 in expand_body (fn=0x2ace195b6540)
at gcc/cp/semantics.c:3069
#8 0x00000000008e5a86 in cgraph_expand_function (node=0x2ace199900b0)
at gcc/cgraphunit.c:1186
#9 0x00000000008e8274 in cgraph_optimize () at gcc/cgraphunit.c:1251
#10 0x000000000048013a in cp_finish_file () at gcc/cp/decl2.c:3344
#11 0x000000000053307a in c_common_parse_file (set_yydebug=<value optimized
out>)
at gcc/c-opts.c:1165
#12 0x0000000000866b43 in toplev_main (argc=<value optimized out>, argv=<value
optimized out>)
at gcc/toplev.c:999
#13 0x00002ace156224ca in __libc_start_main () from /lib/libc.so.6
#14 0x000000000040273a in _start () at ../sysdeps/x86_64/elf/start.S:113
(gdb)
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=28624
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