From 56a4e074ee8bcf4c3627fb595c31bd833d5a6532 Mon Sep 17 00:00:00 2001 From: Martin Liska Date: Thu, 23 May 2019 14:07:09 +0200 Subject: [PATCH] Do not use tree_to_wide_ref that point to a temporary (PR c++/90587). 2019-05-23 Martin Liska PR c++/90587 * tree-ssa-uninit.c (value_sat_pred_p): The result of & operation points to a temporary (pointed via tree_to_wide_ref) that is out of scope after the &. From-SVN: r271555 --- gcc/ChangeLog | 7 +++++++ gcc/tree-ssa-uninit.c | 2 +- 2 files changed, 8 insertions(+), 1 deletion(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index ba549f754e2..5b12af809ab 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,10 @@ +2019-05-23 Martin Liska + + PR c++/90587 + * tree-ssa-uninit.c (value_sat_pred_p): The result of & + operation points to a temporary (pointed via tree_to_wide_ref) + that is out of scope after the &. + 2019-05-23 Jonathan Wakely PR c++/90592 diff --git a/gcc/tree-ssa-uninit.c b/gcc/tree-ssa-uninit.c index bc07afe32c8..fe8f8f0bc28 100644 --- a/gcc/tree-ssa-uninit.c +++ b/gcc/tree-ssa-uninit.c @@ -1058,7 +1058,7 @@ value_sat_pred_p (tree val, tree boundary, enum tree_code cmpc, if (cmpc != BIT_AND_EXPR) return is_value_included_in (val, boundary, cmpc); - wi::tree_to_wide_ref andw = wi::to_wide (val) & wi::to_wide (boundary); + wide_int andw = wi::to_wide (val) & wi::to_wide (boundary); if (exact_p) return andw == wi::to_wide (val); else -- 2.30.2