diff options
Diffstat (limited to 'gcc/builtins.c')
| -rw-r--r-- | gcc/builtins.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/gcc/builtins.c b/gcc/builtins.c index 088c916..a5c55ad 100644 --- a/gcc/builtins.c +++ b/gcc/builtins.c @@ -4923,13 +4923,14 @@ gimplify_va_arg_expr (tree *expr_p, gimple_seq *pre_p, gimple_seq *post_p) != type) { static bool gave_help; + bool warned; /* Unfortunately, this is merely undefined, rather than a constraint violation, so we cannot make this an error. If this call is never executed, the program is still strictly conforming. */ - warning (0, "%qT is promoted to %qT when passed through %<...%>", - type, promoted_type); - if (! gave_help) + warned = warning (0, "%qT is promoted to %qT when passed through %<...%>", + type, promoted_type); + if (!gave_help && warned) { gave_help = true; inform ("(so you should pass %qT not %qT to %<va_arg%>)", @@ -4938,7 +4939,8 @@ gimplify_va_arg_expr (tree *expr_p, gimple_seq *pre_p, gimple_seq *post_p) /* We can, however, treat "undefined" any way we please. Call abort to encourage the user to fix the program. */ - inform ("if this code is reached, the program will abort"); + if (warned) + inform ("if this code is reached, the program will abort"); t = build_call_expr (implicit_built_in_decls[BUILT_IN_TRAP], 0); gimplify_and_add (t, pre_p); |