set export-table link arg (#115)

runtime/wasm/build.sh

@@ -6,7 +6,7 @@ if cargo --version | grep -q "nightly"; then
 else
 	CARGO_CMD="cargo +nightly"
 fi
-$CARGO_CMD build --target=wasm32-unknown-unknown --release
+RUSTFLAGS="-C link-arg=--export-table" $CARGO_CMD build --target=wasm32-unknown-unknown --release
 for i in polkadot_runtime
 do
 	wasm-gc target/wasm32-unknown-unknown/release/$i.wasm target/wasm32-unknown-unknown/release/$i.compact.wasm

test-parachains/build.sh

@@ -2,7 +2,7 @@
 set -e
 
 # Make LLD produce a binary that imports memory from the outside environment.
-export RUSTFLAGS="-C link-arg=--import-memory -C lto=fat -C panic=abort"
+export RUSTFLAGS="-C link-arg=--import-memory,--export-table -C lto=fat -C panic=abort"
 
 for i in adder
 do