gdb/gdb/block.c

62   while (BLOCK_FUNCTION (bl) == 0 && BLOCK_SUPERBLOCK (bl) != 0)
63     bl = BLOCK_SUPERBLOCK (bl);
169   for (; block != NULL; block = BLOCK_SUPERBLOCK (block))
248   if (block == NULL || BLOCK_SUPERBLOCK (block) == NULL)
251   while (BLOCK_SUPERBLOCK (BLOCK_SUPERBLOCK (block)) != NULL)
252     block = BLOCK_SUPERBLOCK (block);
266   while (BLOCK_SUPERBLOCK (block) != NULL)
267     block = BLOCK_SUPERBLOCK (block);
289   BLOCK_SUPERBLOCK (bl) = NULL;