Files were changed in gcc/c-family with no associated ChangeLog entry. And now bootstrap fails on AIX using GCC 4.6.3 with the error:
/nasfarm/dje/src/src/gcc/c-family/c-lex.c: In function 'c_fileinfo* get_fileinfo(const char*)': /nasfarm/dje/src/src/gcc/c-family/c-lex.c:107:39: error: overloaded function with no contextual type information which is file_info_tree = splay_tree_new ((splay_tree_compare_fn) strcmp, 0, (splay_tree_delete_value_fn) free); - David