------- Comment #53 from dberlin at gcc dot gnu dot org 2007-05-12 14:29 ------- Subject: Re: [4.0/4.1/4.2/4.3 Regression] placement new does not change the dynamic type as it should
On 12 May 2007 11:11:03 -0000, rguenth at gcc dot gnu dot org <[EMAIL PROTECTED]> wrote: > > > ------- Comment #52 from rguenth at gcc dot gnu dot org 2007-05-12 12:11 > ------- > But I get > > Program received signal SIGSEGV, Segmentation fault. > 0x00000000006e646f in find_assert_locations (bb=0x2b56e8984480) > at ../../trunk/gcc/tree-vrp.c:3193 > 3193 if (flag_delete_null_pointer_checks && POINTER_TYPE_P (TREE_TYPE > (op))) > (gdb) call debug_bb (bb) > ;; basic block 3, loop depth 1, count 0 > ;; prev block 2, next block 4 > ;; pred: 6 [91.0%] (true,exec) > ;; succ: 4 [85.0%] (true,exec) 5 [15.0%] (false,exec) > <bb 3>: > D.926012_14 = D.926053_23; > <<<change_dynamic_type (struct Loc *) D.926018_15)>>> > this_16 = __cur_1; > if (__cur_1 != 0B) > goto <bb 4>; > else > goto <bb 5> (<L9>); > > > compiling tramp3d. Supposedly because we walk all USEs in the stmt and > find (struct Loc *) which is not exactly a "use". Probably need to teach tree-ssa-operands that only one of the operands is really a use. > > > -- > > > http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29286 > > ------- You are receiving this mail because: ------- > You are on the CC list for the bug, or are watching someone who is. > -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29286
