http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54871
Eric Botcazou <ebotcazou at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |ASSIGNED
AssignedTo|unassigned at gcc dot |ebotcazou at gcc dot
|gnu.org |gnu.org
--- Comment #4 from Eric Botcazou <ebotcazou at gcc dot gnu.org> 2012-10-12
21:37:35 UTC ---
Created attachment 28437
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=28437
Reduced testcase
The loop2_unroll dump reads:
Loop 3 is simple:
simple exit 10 -> 12
number of iterations: (const_int -1 [0xffffffffffffffff])
upper bound: 1073741823
realistic bound: -1
The number of iterations is of course bogus.