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| author | Michael Matz <matz@suse.de> | 2005-05-02 04:22:45 +0000 |
|---|---|---|
| committer | Michael Matz <matz@gcc.gnu.org> | 2005-05-02 04:22:45 +0000 |
| commit | b2f97e4a12858733fc4977859febecd144acb8dd (patch) | |
| tree | 81e0ec0700839598638506aadcfb471636db87e6 /gcc/c-opts.c | |
| parent | f8f9fb4526bea97382af2024b7b268725d544239 (diff) | |
| download | gcc-b2f97e4a12858733fc4977859febecd144acb8dd.tar.gz | |
re PR c++/19542 (attribute(sentinel) has problems with C++ __null)
PR c++/19542
* c-common.c (c_common_nodes_and_builtins): Create global null_node.
(warn_strict_null_sentinel): Define.
(check_function_sentinel): Check for null_node as valid sentinel too.
* c-common.h (c_tree_index): Added CTI_NULL.
(null_node) Define global_tree[CTI_NULL].
(warn_strict_null_sentinel): Declare.
* c-opts.c: (c_common_handle_option): Handle -Wstrict-null-sentinel.
* c.opt: (Wstrict-null-sentinel): New C++ option.
* doc/invoke.texi (C++ Options): Document -Wstrict-null-sentinel.
* cp-tree.h (cp_tree_index): Remove CPTI_NULL, to be defined in C
common frontend.
(null_node): Remove.
* lex.c (cxx_init): Move null_node initialisation to C common frontend.
* g++.dg/warn/sentinel.C: New testcase for __null sentinels added.
From-SVN: r99091
Diffstat (limited to 'gcc/c-opts.c')
| -rw-r--r-- | gcc/c-opts.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/gcc/c-opts.c b/gcc/c-opts.c index 4ac8e9d4395..ebf23e571d7 100644 --- a/gcc/c-opts.c +++ b/gcc/c-opts.c @@ -477,6 +477,10 @@ c_common_handle_option (size_t scode, const char *arg, int value) warn_return_type = value; break; + case OPT_Wstrict_null_sentinel: + warn_strict_null_sentinel = value; + break; + case OPT_Wsystem_headers: cpp_opts->warn_system_headers = value; break; |