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| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/tree-vrp.c | 2 |
2 files changed, 7 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 4d2dbe4..5ff1601 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2018-07-04 Aldy Hernandez <aldyh@redhat.com> + + * tree-vrp.c (extract_range_from_binary_expr_1): Initialize + neg_*_op* variables. + 2018-07-04 Martin Liska <mliska@suse.cz> * tree-switch-conversion.c: Define diff --git a/gcc/tree-vrp.c b/gcc/tree-vrp.c index c966334..65865a7 100644 --- a/gcc/tree-vrp.c +++ b/gcc/tree-vrp.c @@ -1661,6 +1661,8 @@ extract_range_from_binary_expr_1 (value_range *vr, tree sym_max_op1 = NULL_TREE; bool neg_min_op0, neg_min_op1, neg_max_op0, neg_max_op1; + neg_min_op0 = neg_min_op1 = neg_max_op0 = neg_max_op1 = false; + /* If we have a PLUS or MINUS with two VR_RANGEs, either constant or single-symbolic ranges, try to compute the precise resulting range, but only if we know that this resulting range will also be constant |