Update expectations for uninitialized internal function.

test/libsolidity/SolidityEndToEndTest.cpp

@@ -5615,24 +5615,6 @@ BOOST_AUTO_TEST_CASE(event_wrong_abi_name)
 	)
 }
 
-BOOST_AUTO_TEST_CASE(uninitialized_internal_storage_function)
-{
-	char const* sourceCode = R"(
-		contract Test {
-			function() internal x;
-			function f() public returns (uint r) {
-				function() internal t = x;
-				assembly { r := t }
-			}
-		}
-	)";
-	compileAndRun(sourceCode, 0, "Test");
-
-	bytes result = callContractFunction("f()");
-	BOOST_CHECK(!result.empty());
-	BOOST_CHECK(result != encodeArgs(0));
-}
-
 BOOST_AUTO_TEST_CASE(dirty_scratch_space_prior_to_constant_optimiser)
 {
 	char const* sourceCode = R"(

test/libsolidity/semanticTests/uninitializedFunctionPointer/uninitialized_internal_storage_function_legacy.sol

@@ -0,0 +1,17 @@
+contract Test {
+	function() internal x;
+	function f() public returns (bool) {
+		function() internal t = x;
+		// The legacy codegen  would use a specific function
+		// entry tag that always panics.
+		// Via Yul, the internal dispatch will panic instead.
+		uint z;
+		assembly { z := t }
+		assert(z != 0);
+		return true;
+	}
+}
+// ====
+// compileViaYul: false
+// ----
+// f() -> true

test/libsolidity/semanticTests/uninitializedFunctionPointer/uninitialized_internal_storage_function_via_yul.sol

@@ -0,0 +1,17 @@
+contract Test {
+	function() internal x;
+	function f() public returns (bool) {
+		function() internal t = x;
+		// The legacy codegen  would use a specific function
+		// entry tag that always panics.
+		// Via Yul, the internal dispatch will panic instead.
+		uint z;
+		assembly { z := t }
+		assert(z == 0);
+		return true;
+	}
+}
+// ====
+// compileViaYul: true
+// ----
+// f() -> true