aboutsummaryrefslogtreecommitdiff
path: root/gcc/cpplib.h
diff options
context:
space:
mode:
Diffstat (limited to 'gcc/cpplib.h')
-rw-r--r--gcc/cpplib.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/gcc/cpplib.h b/gcc/cpplib.h
index 2b7a99d..0993792 100644
--- a/gcc/cpplib.h
+++ b/gcc/cpplib.h
@@ -444,6 +444,7 @@ enum cpp_buffer_type {BUF_FAKE, BUF_FILE, BUF_BUILTIN,
#define NODE_POISONED (1 << 1) /* Poisoned identifier. */
#define NODE_BUILTIN (1 << 2) /* Builtin macro. */
#define NODE_DIAGNOSTIC (1 << 3) /* Possible diagnostic when lexed. */
+#define NODE_WARN (1 << 4) /* Warn if redefined or undefined. */
/* Different flavors of hash node. */
enum node_type