fix the comma handling in integer constant expressions

Treat it as normal binary operation, taint the value, check the taint.
We can do other kind of value tainting with the same infrastructure
as well...

Review and testing would be welcome; AFAICS, it works, but...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 1 insertions, 0 deletions

diff --git a/symbol.c b/symbol.c
index 329fed9..cec7e02 100644
--- a/symbol.c
+++ b/symbol.c
@@ -652,6 +652,7 @@ static int expand_warning(struct expression *expr, int cost)
 out:
 	expr->type = EXPR_VALUE;
 	expr->value = 1;
+	expr->taint = 0;
 	return 0;
 }