diff options
Diffstat (limited to 'libcpp/lex.cc')
| -rw-r--r-- | libcpp/lex.cc | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/libcpp/lex.cc b/libcpp/lex.cc index ce8ff61..5ca438a 100644 --- a/libcpp/lex.cc +++ b/libcpp/lex.cc @@ -2168,8 +2168,14 @@ identifier_diagnostics_on_lex (cpp_reader *pfile, cpp_hashnode *node) /* It is allowed to poison the same identifier twice. */ if ((node->flags & NODE_POISONED) && !pfile->state.poisoned_ok) - cpp_error (pfile, CPP_DL_ERROR, "attempt to use poisoned \"%s\"", - NODE_NAME (node)); + { + cpp_error (pfile, CPP_DL_ERROR, "attempt to use poisoned \"%s\"", + NODE_NAME (node)); + const auto data = (cpp_hashnode_extra *) + ht_lookup (pfile->extra_hash_table, node->ident, HT_NO_INSERT); + if (data && data->poisoned_loc) + cpp_error_at (pfile, CPP_DL_NOTE, data->poisoned_loc, "poisoned here"); + } /* Constraint 6.10.3.5: __VA_ARGS__ should only appear in the replacement list of a variadic macro. */ |