diff options
| author | gdr <gdr@138bc75d-0d04-0410-961f-82ee72b054a4> | 2005-11-23 07:07:33 +0000 |
|---|---|---|
| committer | gdr <gdr@138bc75d-0d04-0410-961f-82ee72b054a4> | 2005-11-23 07:07:33 +0000 |
| commit | 9096068a6062917b5a214a050ee57e11654a6e24 (patch) | |
| tree | 57cdce0dac387244542b1a40a789f1005b4896da /gcc/c-decl.c | |
| parent | 66d6257e5a22874d60fbdbc85e633bb00066da9a (diff) | |
| download | gcc-9096068a6062917b5a214a050ee57e11654a6e24.tar.gz | |
PR c/21668
* c-decl.c (grokdeclarator): Don't warn for 'extern const' when
compiling at the intersection of C and C++.
testsuite/
PR c/21668
* gcc.dg/Wc++-compat.c: New.
* gcc.dg/Wno-c++-compat.c: New.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@107401 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/c-decl.c')
| -rw-r--r-- | gcc/c-decl.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/gcc/c-decl.c b/gcc/c-decl.c index 003b813fc7d..a86cfdc01b6 100644 --- a/gcc/c-decl.c +++ b/gcc/c-decl.c @@ -4014,8 +4014,13 @@ grokdeclarator (const struct c_declarator *declarator, && !funcdef_flag) { /* 'extern' with initialization is invalid if not at file scope. */ - if (current_scope == file_scope) - warning (0, "%qs initialized and declared %<extern%>", name); + if (current_scope == file_scope) + { + /* It is fine to have 'extern const' when compiling at C + and C++ intersection. */ + if (!(warn_cxx_compat && constp)) + warning (0, "%qs initialized and declared %<extern%>", name); + } else error ("%qs has both %<extern%> and initializer", name); } |