Extracting more end-to-end tests.

test/libsolidity/semanticTests/statements/do_while_loop_continue.sol

@@ -0,0 +1,16 @@
+contract test {
+    function f() public pure returns(uint r) {
+        uint i = 0;
+        do
+        {
+            if (i > 0) return 0;
+            i++;
+            continue;
+        } while (false);
+        return 42;
+    }
+}
+// ====
+// compileViaYul: also
+// ----
+// f() -> 42