Merge pull request #5546 from ethereum/inheritanceChecker

Move some checks out of type checker.

1 files changed, 15 insertions, 0 deletions

diff --git a/test/libsolidity/syntaxTests/constructor/abstract_creation_forward_reference.sol b/test/libsolidity/syntaxTests/constructor/abstract_creation_forward_reference.sol
new file mode 100644
index 00000000..2e6aeaa5
--- /dev/null
+++ b/test/libsolidity/syntaxTests/constructor/abstract_creation_forward_reference.sol
@@ -0,0 +1,15 @@
+// This used to cause an internal error because of the visitation order.
+contract Test {
+    function createChild() public {
+       Child asset = new Child();
+    }
+}
+
+contract Parent {
+    constructor(address _address) public {}
+}
+
+contract Child is Parent {
+}
+// ----
+// TypeError: (146-155): Trying to create an instance of an abstract contract.