diff options
Diffstat (limited to 'contrib/gcclibs/libcpp')
-rw-r--r-- | contrib/gcclibs/libcpp/errors.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/contrib/gcclibs/libcpp/errors.c b/contrib/gcclibs/libcpp/errors.c index 97de490..c8efd53 100644 --- a/contrib/gcclibs/libcpp/errors.c +++ b/contrib/gcclibs/libcpp/errors.c @@ -153,7 +153,20 @@ cpp_error (cpp_reader * pfile, int level, const char *msgid, ...) } else { - src_loc = pfile->cur_token[-1].src_loc; + /* Find actual previous token. */ + cpp_token *t; + + if (pfile->cur_token != pfile->cur_run->base) + t = pfile->cur_token - 1; + else + { + if (pfile->cur_run->prev != NULL) + t = pfile->cur_run->prev->limit; + else + t = NULL; + } + /* Retrieve corresponding source location, unless we failed. */ + src_loc = t ? t->src_loc : 0; } if (_cpp_begin_message (pfile, level, src_loc, 0)) |