diff options
Diffstat (limited to 'gcc/cpplex.c')
| -rw-r--r-- | gcc/cpplex.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/gcc/cpplex.c b/gcc/cpplex.c index 96e2454..bec14e7 100644 --- a/gcc/cpplex.c +++ b/gcc/cpplex.c @@ -159,9 +159,13 @@ trigraph_ok (pfile, from_char) "trigraph ??%c converted to %c", (int) from_char, (int) _cpp_trigraph_map[from_char]); - else - cpp_warning_with_line (pfile, buffer->lineno, CPP_BUF_COL (buffer) - 2, - "trigraph ??%c ignored", (int) from_char); + else if (buffer->cur != buffer->last_Wtrigraphs) + { + buffer->last_Wtrigraphs = buffer->cur; + cpp_warning_with_line (pfile, buffer->lineno, + CPP_BUF_COL (buffer) - 2, + "trigraph ??%c ignored", (int) from_char); + } } return accept; |