------- Comment #16 from laurent at guerby dot net 2010-09-19 16:54 ------- expmed.c:make_tree has some non deterministic calls:
tree make_tree (tree type, rtx x) { ... case PLUS: return fold_build2 (PLUS_EXPR, type, make_tree (type, XEXP (x, 0)), make_tree (type, XEXP (x, 1))); ... -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45445