http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55107
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Known to work| |4.4.5
Keywords| |compile-time-hog
Last reconfirmed| |2012-12-09
Ever Confirmed|0 |1
Summary|GCC in an infinite loop at |[4.7/4.8 Regression] GCC in
|-O2 |an infinite loop in PRE
Target Milestone|--- |4.7.3
Known to fail| |4.7.0, 4.8.0
--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> 2012-12-09
02:55:54 UTC ---
#0 0x0000000000bd02db in bmp_iter_set (bi=0x7fffffffda90,
bit_no=0x7fffffffdab4) at /home/apinski/src/gcc-fsf/local//gcc/gcc/bitmap.h:532
#1 0x0000000000bd305f in bitmap_set_replace_value (set=0x1970858, lookfor=29,
expr=0x197d9a8) at /home/apinski/src/gcc-fsf/local//gcc/gcc/tree-ssa-pre.c:862
#2 0x0000000000bd30e6 in bitmap_value_replace_in_set (set=0x1970858,
expr=0x197d9a8) at /home/apinski/src/gcc-fsf/local//gcc/gcc/tree-ssa-pre.c:889
#3 0x0000000000bda1dd in insert_aux (block=0x7ffff70223a8) at
/home/apinski/src/gcc-fsf/local//gcc/gcc/tree-ssa-pre.c:3639
#4 0x0000000000bda294 in insert_aux (block=0x7ffff6fe6d00) at
/home/apinski/src/gcc-fsf/local//gcc/gcc/tree-ssa-pre.c:3654
#5 0x0000000000bda294 in insert_aux (block=0x7ffff6fe6bc8) at
/home/apinski/src/gcc-fsf/local//gcc/gcc/tree-ssa-pre.c:3654
#6 0x0000000000bda294 in insert_aux (block=0x7ffff6fe6820) at
/home/apinski/src/gcc-fsf/local//gcc/gcc/tree-ssa-pre.c:3654
#7 0x0000000000bda294 in insert_aux (block=0x7ffff6fe62d8) at
/home/apinski/src/gcc-fsf/local//gcc/gcc/tree-ssa-pre.c:3654
#8 0x0000000000bda294 in insert_aux (block=0x7ffff6fe6270) at
/home/apinski/src/gcc-fsf/local//gcc/gcc/tree-ssa-pre.c:3654
#9 0x0000000000bda294 in insert_aux (block=0x7ffff6fe61a0) at
/home/apinski/src/gcc-fsf/local//gcc/gcc/tree-ssa-pre.c:3654
#10 0x0000000000bda372 in insert () at
/home/apinski/src/gcc-fsf/local//gcc/gcc/tree-ssa-pre.c:3677
#11 0x0000000000bdd70f in do_pre () at
/home/apinski/src/gcc-fsf/local//gcc/gcc/tree-ssa-pre.c:4729
>Note that the stack trace looks the same as in PR55011.
That stack trace is just where xgcc is saying the cc1 was executed from.
