Hi, one more leak, this time in alias analysis that initializes an obstak without freeing it. This is with the testcase of http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23821
valgrind --leak-check=full cc1 -O2 pr23821.c ==16661== 9,244 bytes in 68 blocks are definitely lost in loss record 2 of 5 ==16661== at 0x401D38B: malloc (vg_replace_malloc.c:149) ==16661== by 0x8A3622D: xmalloc (xmalloc.c:147) ==16661== by 0x409E785: _obstack_begin (in /lib/tls/i686/cmov/libc-2.3.6.so) ==16661== by 0x8134D81: bitmap_obstack_initialize (bitmap.c:313) ==16661== by 0x8582608: init_alias_info (tree-ssa-alias.c:2153) ==16661== by 0x8580E6A: compute_may_aliases (tree-ssa-alias.c:1772) ==16661== by 0x83DB396: execute_function_todo (passes.c:909) ==16661== by 0x83DB058: do_per_function (passes.c:805) ==16661== by 0x83DB632: execute_todo (passes.c:989) ==16661== by 0x83DBABD: execute_one_pass (passes.c:1140) ==16661== by 0x83DBB49: execute_pass_list (passes.c:1171) ==16661== by 0x83DBB65: execute_pass_list (passes.c:1172)
