diff options
Diffstat (limited to 'gcc/builtins.c')
| -rw-r--r-- | gcc/builtins.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/gcc/builtins.c b/gcc/builtins.c index 1d6e69d..a0d0a10 100644 --- a/gcc/builtins.c +++ b/gcc/builtins.c @@ -621,6 +621,9 @@ c_strlen (tree src, int only_value) return NULL_TREE; } + if (!maxelts) + return ssize_int (0); + /* We don't know the starting offset, but we do know that the string has no internal zero bytes. We can assume that the offset falls within the bounds of the string; otherwise, the programmer deserves @@ -651,7 +654,8 @@ c_strlen (tree src, int only_value) if (only_value != 2 && !TREE_NO_WARNING (src)) { - warning_at (loc, 0, "offset %qwi outside bounds of constant string", + warning_at (loc, OPT_Warray_bounds, + "offset %qwi outside bounds of constant string", eltoff); TREE_NO_WARNING (src) = 1; } |