diff options
Diffstat (limited to 'libcpp/macro.c')
| -rw-r--r-- | libcpp/macro.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libcpp/macro.c b/libcpp/macro.c index 9a470ef..8122648 100644 --- a/libcpp/macro.c +++ b/libcpp/macro.c @@ -1392,6 +1392,10 @@ warn_of_redefinition (cpp_reader *pfile, const cpp_hashnode *node, if (node->flags & NODE_WARN) return true; + /* Suppress warnings for builtins that lack the NODE_WARN flag. */ + if (node->flags & NODE_BUILTIN) + return false; + /* Redefinitions of conditional (context-sensitive) macros, on the other hand, must be allowed silently. */ if (node->flags & NODE_CONDITIONAL) |