[Bug middle-end/114604] Ranger allocates from uninitialized bitmap_default_obstack

[rguenth at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114604

--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> ---
Created attachment 57887
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=57887&action=edit
BITMAP_ALLOC instrumentation

This is the instrumentation patch.