https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70948
--- Comment #4 from Jiong Wang <jiwang at gcc dot gnu.org> --- (In reply to Richard Biener from comment #3) > The following should fix it, I am going to test it on x86_64: > > Index: gcc/tree-ssa-structalias.c > =================================================================== > --- gcc/tree-ssa-structalias.c (revision 235945) > +++ gcc/tree-ssa-structalias.c (working copy) > @@ -4492,7 +4492,7 @@ find_func_aliases_for_builtin_call (stru > tree valist = gimple_call_arg (t, 0); > struct constraint_expr rhs, *lhsp; > unsigned i; > - get_constraint_for (valist, &lhsc); > + get_constraint_for_ptr_offset (valist, NULL_TREE, &lhsc); > do_deref (&lhsc); > /* The va_list gets access to pointers in variadic > arguments. Which we know in the case of IPA analysis Thanks. This patch fixed all regressions on my native test.
