diff options
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/tree-ssa-structalias.c | 2 |
2 files changed, 7 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 8f3679a..4f7ad75 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2016-05-06 Richard Biener <rguenther@suse.de> + + PR tree-optimization/70948 + * tree-ssa-structalias.c (find_func_aliases_for_builtin_call): + Properly clobber all fields of va_list for __builtin_va_start. + 2016-05-06 Yuri Rumyantsev <ysrumyan@gmail.com> PR debug/70935 diff --git a/gcc/tree-ssa-structalias.c b/gcc/tree-ssa-structalias.c index d66bdfa..3956efd 100644 --- a/gcc/tree-ssa-structalias.c +++ b/gcc/tree-ssa-structalias.c @@ -4492,7 +4492,7 @@ find_func_aliases_for_builtin_call (struct function *fn, gcall *t) 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 |