------- Comment #4 from pinskia at gcc dot gnu dot org 2007-01-29 00:51 -------
Sample backtrace:
#0 topo_visit (graph=0x9d55760, ti=0x9d55750, n=80) at
/src/gcc/regressions1/gcc/gcc/bitmap.h:388
#1 0x083a4312 in topo_visit (graph=0x9d55760, ti=0x9d55750, n=79)
at /src/gcc/regressions1/gcc/gcc/tree-ssa-structalias.c:1294
#2 0x083a4312 in topo_visit (graph=0x9d55760, ti=0x9d55750, n=4)
at /src/gcc/regressions1/gcc/gcc/tree-ssa-structalias.c:1294
#3 0x083a56fe in solve_graph (graph=0x9d55760) at
/src/gcc/regressions1/gcc/gcc/tree-ssa-structalias.c:1620
#4 0x083aaa70 in compute_points_to_sets (ai=0x9d14fe8)
at /src/gcc/regressions1/gcc/gcc/tree-ssa-structalias.c:4758
#5 0x08332a6e in compute_may_aliases () at
/src/gcc/regressions1/gcc/gcc/tree-ssa-alias.c:897
-----------------
#0 topo_visit (graph=0x9d55760, ti=0x9d55750, n=688) at
/src/gcc/regressions1/gcc/gcc/bitmap.h:426
#1 0x083a4312 in topo_visit (graph=0x9d55760, ti=0x9d55750, n=684)
at /src/gcc/regressions1/gcc/gcc/tree-ssa-structalias.c:1294
#2 0x083a4312 in topo_visit (graph=0x9d55760, ti=0x9d55750, n=665)
at /src/gcc/regressions1/gcc/gcc/tree-ssa-structalias.c:1294
#3 0x083a4312 in topo_visit (graph=0x9d55760, ti=0x9d55750, n=661)
at /src/gcc/regressions1/gcc/gcc/tree-ssa-structalias.c:1294
#4 0x083a56fe in solve_graph (graph=0x9d55760) at
/src/gcc/regressions1/gcc/gcc/tree-ssa-structalias.c:1620
#5 0x083aaa70 in compute_points_to_sets (ai=0x9d14fe8)
at /src/gcc/regressions1/gcc/gcc/tree-ssa-structalias.c:4758
#6 0x08332a6e in compute_may_aliases () at
/src/gcc/regressions1/gcc/gcc/tree-ssa-alias.c:897
--
pinskia at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Component|middle-end |tree-optimization
Keywords| |alias, compile-time-hog
Summary|compiler loops forever with |[4.3 Regression] compiler
|flag -O3 |loops forever with flag -O3
Target Milestone|--- |4.3.0
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30559
