c: warn redefinition, allow redeclaratinos

1 files changed, 1 insertions, 0 deletions

diff --git a/c.h b/c.h
index 33eef54..d9466fc 100644
--- a/c.h
+++ b/c.h
@@ -65,6 +65,7 @@ struct decl {
    uchar scls;
    uchar qual : 2;
    uchar isenum : 1;
+   uchar isdef : 1;
    struct span span;
    const char *name;
    union {