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* [Bug tree-optimization/27443] New: [4.2 regression] ICE at -O3 at hash_descriptor_pre_extension on entry_3.f90
@ 2006-05-05 11:05 fxcoudert at gcc dot gnu dot org
2006-05-05 12:39 ` [Bug tree-optimization/27443] " reichelt at gcc dot gnu dot org
0 siblings, 1 reply; 2+ messages in thread
From: fxcoudert at gcc dot gnu dot org @ 2006-05-05 11:05 UTC (permalink / raw)
To: gcc-bugs
The fortran testcase fortran-torture/execute/entry_3.f90 cannot compile as of
20060505 (but it worked on 20060504); see full testresults here:
http://quatramaran.ens.fr/~coudert/gfortran/test-results/test-linux-20060505.log
The backtrace is:
Program received signal SIGSEGV, Segmentation fault.
0x08541c29 in hash_descriptor_pre_extension (p=0xbff3ad28)
at ../../../trunk/gcc/see.c:837
837 rtx set = single_set (extension->se_insn);
(gdb) where
#0 0x08541c29 in hash_descriptor_pre_extension (p=0xbff3ad28)
at ../../../trunk/gcc/see.c:837
#1 0x08595158 in htab_find_slot (htab=0x86e7868, element=0xbff3ad28,
insert=INSERT) at ../../../trunk/libiberty/hashtab.c:657
#2 0x085429f6 in see_seek_pre_extension_expr (extension=0x0,
type=DEF_EXTENSION) at ../../../trunk/gcc/see.c:1036
#3 0x08542b1c in see_set_prop_unmerged_def (slot=0x874fa08, b=0x874f958)
at ../../../trunk/gcc/see.c:2280
#4 0x08594815 in htab_traverse_noresize (htab=0x874f978,
callback=0x8542a70 <see_set_prop_unmerged_def>, info=0x874f958)
at ../../../trunk/libiberty/hashtab.c:729
#5 0x085428e1 in see_handle_extensions_for_one_ref (stn=0x8720d70, data=0x0)
at ../../../trunk/gcc/see.c:2986
#6 0x085959a9 in splay_tree_foreach_helper (sp=0x874f938, node=0x8720d70,
fn=0x8542730 <see_handle_extensions_for_one_ref>, data=0x0)
at ../../../trunk/libiberty/splay-tree.c:218
#7 0x08545322 in see_main () at ../../../trunk/gcc/see.c:3021
#8 0x08545a79 in rest_of_handle_see () at ../../../trunk/gcc/see.c:3754
#9 0x083c6878 in execute_one_pass (pass=0x8656f00)
at ../../../trunk/gcc/passes.c:864
#10 0x083c6a1f in execute_pass_list (pass=0x8656f00)
at ../../../trunk/gcc/passes.c:911
#11 0x083c6a32 in execute_pass_list (pass=0x8654e80)
The file gcc/see.c was introduced by revision 113518
(http://gcc.gnu.org/viewcvs?rev=113518&view=rev). I add the corresponding
submitters and maintainers in CC of this PR.
--
Summary: [4.2 regression] ICE at -O3 at
hash_descriptor_pre_extension on entry_3.f90
Product: gcc
Version: 4.2.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: tree-optimization
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: fxcoudert at gcc dot gnu dot org
GCC build triplet: i686-linux
GCC host triplet: i686-linux
GCC target triplet: i686-linux
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=27443
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2006-05-05 11:05 [Bug tree-optimization/27443] New: [4.2 regression] ICE at -O3 at hash_descriptor_pre_extension on entry_3.f90 fxcoudert at gcc dot gnu dot org
2006-05-05 12:39 ` [Bug tree-optimization/27443] " reichelt at gcc dot gnu dot org
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