diff options
| author | Andrew Macleod <amacleod@gcc.gnu.org> | 2019-05-03 21:01:48 +0000 |
|---|---|---|
| committer | Andrew Macleod <amacleod@gcc.gnu.org> | 2019-05-03 21:01:48 +0000 |
| commit | 2ac65a99b198f89bed3c7fe73bb4d63cc9405919 (patch) | |
| tree | 197ca103dfd7a03fbef2366195df468fcca219cd | |
| parent | 49c8b1a04f4cdbd42631c236678f5651301f845f (diff) | |
| download | gcc-2ac65a99b198f89bed3c7fe73bb4d63cc9405919.zip gcc-2ac65a99b198f89bed3c7fe73bb4d63cc9405919.tar.gz gcc-2ac65a99b198f89bed3c7fe73bb4d63cc9405919.tar.bz2 | |
CHeck that the range returned is not empty before accessing the end points.
From-SVN: r270861
| -rw-r--r-- | gcc/gimple-ssa-sprintf.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/gcc/gimple-ssa-sprintf.c b/gcc/gimple-ssa-sprintf.c index e566c31..776b245 100644 --- a/gcc/gimple-ssa-sprintf.c +++ b/gcc/gimple-ssa-sprintf.c @@ -1373,7 +1373,8 @@ format_integer (const directive &dir, tree arg) /* Try to determine the range of values of the integer argument (range information is not available for pointers). */ irange r; - if (on_demand_get_range_on_stmt (r, arg, dir.callstmt)) + if (on_demand_get_range_on_stmt (r, arg, dir.callstmt) && + !r.undefined_p ()) { argmin = wide_int_to_tree (TREE_TYPE (arg), r.lower_bound ()); argmax = wide_int_to_tree (TREE_TYPE (arg), r.upper_bound ()); |