Revert "evaluate: error out when existing set has incompatible key"

This breaks existing behaviour, add a test case so this is caught in
the future.

The reverted test case will be brought back once a better fix
is available.

Signed-off-by: Florian Westphal <fw@strlen.de>

1 files changed, 7 insertions, 0 deletions

diff --git a/tests/shell/testcases/transactions/dumps/doubled-set.nft b/tests/shell/testcases/transactions/dumps/doubled-set.nft
new file mode 100644
index 00000000..48a322eb
--- /dev/null
+++ b/tests/shell/testcases/transactions/dumps/doubled-set.nft
@@ -0,0 +1,7 @@
+table ip t {
+	set s {
+		type ipv4_addr . ifname
+		flags interval
+		elements = { 1.2.3.4 . "foo" }
+	}
+}