From 88df9da15894541d19330b2f2d6cd301ce4f4cbf Mon Sep 17 00:00:00 2001 From: Dirk Mueller Date: Fri, 23 Nov 2007 23:02:21 +0000 Subject: [PATCH] re PR middle-end/34197 (array overflow warning without line number) 2007-11-23 Dirk Mueller Richard Guenther PR middle-end/34197 * tree-vrp.c (check_array_ref): Move check for valid location.. (check_array_bounds) here. Use EXPR_HAS_LOCATION(). Co-Authored-By: Richard Guenther From-SVN: r130385 --- gcc/ChangeLog | 7 +++++++ gcc/tree-vrp.c | 8 +++++++- 2 files changed, 14 insertions(+), 1 deletion(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 730dec33329..4c34686d782 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,10 @@ +2007-11-23 Dirk Mueller + Richard Guenther + + PR middle-end/34197 + * tree-vrp.c (check_array_ref): Move check for valid location.. + (check_array_bounds) here. Use EXPR_HAS_LOCATION(). + 2007-11-23 Hans-Peter Nilsson * reload.c (find_reloads_address_1) : diff --git a/gcc/tree-vrp.c b/gcc/tree-vrp.c index dfb28203948..00264d9a12c 100644 --- a/gcc/tree-vrp.c +++ b/gcc/tree-vrp.c @@ -4339,7 +4339,7 @@ check_array_ref (tree ref, location_t* locus, bool ignore_off_by_one) low_sub = up_sub = TREE_OPERAND (ref, 1); - if (!up_bound || !locus || TREE_NO_WARNING (ref) + if (!up_bound || TREE_NO_WARNING (ref) || TREE_CODE (up_bound) != INTEGER_CST /* Can not check flexible arrays. */ || (TYPE_SIZE (TREE_TYPE (ref)) == NULL_TREE @@ -4441,6 +4441,12 @@ check_array_bounds (tree *tp, int *walk_subtree, void *data) tree stmt = (tree)data; location_t *location = EXPR_LOCUS (stmt); + if (!EXPR_HAS_LOCATION (stmt)) + { + *walk_subtree = FALSE; + return NULL_TREE; + } + *walk_subtree = TRUE; if (TREE_CODE (t) == ARRAY_REF) -- 2.30.2