From da6ac91f21c3472c6067c8e7d65179de7770d16c Mon Sep 17 00:00:00 2001 From: Andrew MacLeod Date: Mon, 31 Aug 2026 10:00:27 -0400 Subject: [PATCH 1/2] Dont access unused fields in set_prange. PR tree-optimization/127154 * value-range-storage.cc (prange_storage::set_prange) Access bitmask and points to fields only for kinds those that use them --- gcc/value-range-storage.cc | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/gcc/value-range-storage.cc b/gcc/value-range-storage.cc index 827a5260a19..14fa6e29a9f 100644 --- a/gcc/value-range-storage.cc +++ b/gcc/value-range-storage.cc @@ -710,9 +710,9 @@ prange_storage::set_prange (const prange &r) { unsigned num_words; m_kind = prange_format (r, num_words); - m_has_bitmask = !r.get_bitmask ().unknown_p (); + m_has_bitmask = false; + m_points_to_p = false; m_pt = r.m_pt; - m_points_to_p = r.m_points_to_p; unsigned index = 0; @@ -733,6 +733,9 @@ prange_storage::set_prange (const prange &r) gcc_unreachable (); } + m_has_bitmask = !r.get_bitmask ().unknown_p (); + m_points_to_p = r.m_points_to_p; + if (m_has_bitmask) { irange_bitmask bm = r.m_bitmask; -- 2.55.0