diff options
Diffstat (limited to 'gcc/builtins.c')
| -rw-r--r-- | gcc/builtins.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/gcc/builtins.c b/gcc/builtins.c index 650de0d..b974459 100644 --- a/gcc/builtins.c +++ b/gcc/builtins.c @@ -2885,6 +2885,11 @@ expand_builtin_strlen (tree exp, rtx target, if (!maybe_expand_insn (icode, 4, ops)) return NULL_RTX; + /* Check to see if the argument was declared attribute nonstring + and if so, issue a warning since at this point it's not known + to be nul-terminated. */ + maybe_warn_nonstring_arg (TREE_OPERAND (CALL_EXPR_FN (exp), 0), exp); + /* Now that we are assured of success, expand the source. */ start_sequence (); pat = expand_expr (src, src_reg, Pmode, EXPAND_NORMAL); |