diff options
Diffstat (limited to 'Driver/clang.cpp')
| -rw-r--r-- | Driver/clang.cpp | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/Driver/clang.cpp b/Driver/clang.cpp index 62f570f627..e7dacc44fd 100644 --- a/Driver/clang.cpp +++ b/Driver/clang.cpp @@ -500,6 +500,15 @@ static void InitializeDiagnostics(Diagnostic &Diags) { if (MSExtensions) // MS allows unnamed struct/union fields. Diags.setDiagnosticMapping(diag::w_no_declarators, diag::MAP_IGNORE); + + // If -pedantic-errors is set, turn extensions that warn by default into + // errors. + if (ErrorOnExtensions) { + Diags.setDiagnosticMapping(diag::warn_hex_escape_too_large, + diag::MAP_ERROR); + Diags.setDiagnosticMapping(diag::warn_octal_escape_too_large, + diag::MAP_ERROR); + } } //===----------------------------------------------------------------------===// |