From: rguenth Date: Fri, 6 May 2016 12:53:26 +0000 (+0000) Subject: 2016-05-06 Richard Biener X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=1364c1e7775e6524649ba4b44e3224eee997b47b;p=thirdparty%2Fgcc.git 2016-05-06 Richard Biener 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. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@235963 138bc75d-0d04-0410-961f-82ee72b054a4 --- diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 8f3679a52b31..4f7ad75da018 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2016-05-06 Richard Biener + + 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 PR debug/70935 diff --git a/gcc/tree-ssa-structalias.c b/gcc/tree-ssa-structalias.c index d66bdfa94ce5..3956efd47666 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