diff options
Diffstat (limited to 'gcc/cppexp.c')
| -rw-r--r-- | gcc/cppexp.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/gcc/cppexp.c b/gcc/cppexp.c index 4fc833c..b3a7ce6 100644 --- a/gcc/cppexp.c +++ b/gcc/cppexp.c @@ -375,10 +375,13 @@ cpp_interpret_integer (pfile, token, type) if (overflow) cpp_error (pfile, DL_PEDWARN, "integer constant is too large for its type"); - else if (!result.unsignedp && !num_positive (result, precision)) + /* If too big to be signed, consider it unsigned. Only warn for + decimal numbers. Traditional numbers were always signed (but + we still honour an explicit U suffix). */ + else if (!result.unsignedp + && !CPP_OPTION (pfile, traditional) + && !num_positive (result, precision)) { - /* If too big to be signed, consider it unsigned. Only warn - for decimal numbers. */ if (base == 10) cpp_error (pfile, DL_WARNING, "integer constant is so large that it is unsigned"); |