diff options
Diffstat (limited to 'gcc/cppexp.c')
| -rw-r--r-- | gcc/cppexp.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/gcc/cppexp.c b/gcc/cppexp.c index e80f8e882e3..b3442470e36 100644 --- a/gcc/cppexp.c +++ b/gcc/cppexp.c @@ -849,6 +849,10 @@ _cpp_parse_expr (pfile) top->value = v2; top->unsignedp = unsigned2; top->flags |= HAVE_VALUE; + + if (CPP_WTRADITIONAL (pfile)) + cpp_warning (pfile, + "traditional C rejects the unary plus operator"); } else { |