diff options
Diffstat (limited to 'libcpp/expr.cc')
| -rw-r--r-- | libcpp/expr.cc | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/libcpp/expr.cc b/libcpp/expr.cc index 53980f4..bbf21b8 100644 --- a/libcpp/expr.cc +++ b/libcpp/expr.cc @@ -911,8 +911,25 @@ cpp_classify_number (cpp_reader *pfile, const cpp_token *token, syntax_ok: if (result & CPP_N_IMAGINARY) - cpp_pedwarning_with_line (pfile, CPP_W_PEDANTIC, virtual_location, 0, - "imaginary constants are a GCC extension"); + { + if (CPP_OPTION (pfile, cplusplus) || (result & CPP_N_FLOATING) == 0) + cpp_pedwarning_with_line (pfile, CPP_W_PEDANTIC, virtual_location, 0, + "imaginary constants are a GCC extension"); + else + { + bool warned = false; + if (!CPP_OPTION (pfile, imaginary_constants) && CPP_PEDANTIC (pfile)) + warned + = cpp_pedwarning_with_line (pfile, CPP_W_PEDANTIC, + virtual_location, 0, + "imaginary constants are a C2Y " + "feature or GCC extension"); + if (!warned && CPP_OPTION (pfile, cpp_warn_c23_c2y_compat) > 0) + cpp_warning_with_line (pfile, CPP_W_C23_C2Y_COMPAT, + virtual_location, 0, + "imaginary constants are a C2Y feature"); + } + } if (radix == 2) { bool warned = false; |