Uninitialised memory read in gcc-2.95.2/gcc/lcm.c

[Martin v. Loewis]

>           sbitmap_intersect_of_successors (temp_bitmap, delayin,
> 				           bb, s_succs);
> 	  sbitmap_not (temp_bitmap, temp_bitmap);
[..]
> If not, then there's a need for "sbitmap_ones (temp_bitmap);" or
> "sbitmap_zero (temp_bitmap);" in the if part.

How's that? temp_bitmap is initialized in the first call, and then
negated in the second. There should be no need to initialize it
further.

Martin