Merge pull request #8859 from ethereum/noRuntimeForImmutable

trigger error when runtimeCode is called on contracts with immutables

test/libsolidity/syntaxTests/immutable/creationCode.sol

@@ -0,0 +1,9 @@
+contract A {
+    address public immutable user = address(0x0);
+}
+
+contract Test {
+    function test() public pure returns(bytes memory) {
+        return type(A).creationCode;
+    }
+}

test/libsolidity/syntaxTests/immutable/runtimeCode.sol

@@ -0,0 +1,11 @@
+contract A {
+    address public immutable user = address(0x0);
+}
+
+contract Test {
+    function test() public pure returns(bytes memory) {
+        return type(A).runtimeCode;
+    }
+}
+// ----
+// TypeError: (153-172): "runtimeCode" is not available for contracts containing immutable variables.

test/libsolidity/syntaxTests/immutable/runtimeCodeInheritance.sol

@@ -0,0 +1,13 @@
+contract Base {
+    address public immutable user = address(0x0);
+}
+
+contract Derived is Base {}
+
+contract Test {
+    function test() public pure returns(bytes memory) {
+        return type(Derived).runtimeCode;
+    }
+}
+// ----
+// TypeError: (185-210): "runtimeCode" is not available for contracts containing immutable variables.