diff --git a/test/cmdlineTests/standard_yul_object_invalid_sub/output.json b/test/cmdlineTests/standard_yul_object_invalid_sub/output.json
index 5008d4916..a8f78b985 100644
--- a/test/cmdlineTests/standard_yul_object_invalid_sub/output.json
+++ b/test/cmdlineTests/standard_yul_object_invalid_sub/output.json
@@ -1,4 +1,4 @@
-{"errors":[{"component":"general","formattedMessage":"A:1:40: TypeError: Unknown data object \"NamedObject.\".
+{"errors":[{"component":"general","formattedMessage":"A:1:51: TypeError: Unknown data object \"NamedObject.\".
 object \"NamedObject\" { code { let x := dataoffset(\"NamedObject.\") sstore(add(x, 0), 0) } object \"OtherObject\" { code { revert(0, 0) } } }
-                                       ^--------^
-","message":"Unknown data object \"NamedObject.\".","severity":"error","sourceLocation":{"end":49,"file":"A","start":39},"type":"TypeError"}]}
+                                                  ^------------^
+","message":"Unknown data object \"NamedObject.\".","severity":"error","sourceLocation":{"end":64,"file":"A","start":50},"type":"TypeError"}]}
diff --git a/test/libyul/ObjectParser.cpp b/test/libyul/ObjectParser.cpp
index 2d932006e..2d7034897 100644
--- a/test/libyul/ObjectParser.cpp
+++ b/test/libyul/ObjectParser.cpp
@@ -258,6 +258,16 @@ BOOST_AUTO_TEST_CASE(arg_to_dataoffset_must_be_literal)
 	CHECK_ERROR(code, TypeError, "Function expects direct literals as arguments.");
 }
 
+BOOST_AUTO_TEST_CASE(arg_to_dataoffset_must_be_string_literal)
+{
+	string code = R"(
+		object "outer" {
+			code { let y := dataoffset(0) }
+		}
+	)";
+	CHECK_ERROR(code, TypeError, "Function expects string literal.");
+}
+
 BOOST_AUTO_TEST_CASE(arg_to_datasize_must_be_literal)
 {
 	string code = R"(
@@ -268,6 +278,16 @@ BOOST_AUTO_TEST_CASE(arg_to_datasize_must_be_literal)
 	CHECK_ERROR(code, TypeError, "Function expects direct literals as arguments.");
 }
 
+BOOST_AUTO_TEST_CASE(arg_to_datasize_must_be_string_literal)
+{
+	string code = R"(
+		object "outer" {
+			code { let y := datasize(0) }
+		}
+	)";
+	CHECK_ERROR(code, TypeError, "Function expects string literal.");
+}
+
 BOOST_AUTO_TEST_CASE(args_to_datacopy_are_arbitrary)
 {
 	string code = R"(
diff --git a/test/libyul/yulSyntaxTests/datacopy.yul b/test/libyul/yulSyntaxTests/datacopy.yul
new file mode 100644
index 000000000..73d2bcd6d
--- /dev/null
+++ b/test/libyul/yulSyntaxTests/datacopy.yul
@@ -0,0 +1,12 @@
+{
+    datacopy(0, 1, 2)
+    datasize("")
+    datasize(0) // This should not be valid.
+    dataoffset("")
+    dataoffset(0) // This should not be valid.
+}
+// ----
+// TypeError 3517: (37-39): Unknown data object "".
+// TypeError 5859: (54-55): Function expects string literal.
+// TypeError 3517: (101-103): Unknown data object "".
+// TypeError 5859: (120-121): Function expects string literal.
diff --git a/test/libyul/yulSyntaxTests/linkersymbol_bad_literal.yul b/test/libyul/yulSyntaxTests/linkersymbol_bad_literal.yul
new file mode 100644
index 000000000..15ac5dccb
--- /dev/null
+++ b/test/libyul/yulSyntaxTests/linkersymbol_bad_literal.yul
@@ -0,0 +1,11 @@
+{
+    pop(linkersymbol(0))
+    pop(linkersymbol(true))
+    pop(linkersymbol(false))
+}
+// ====
+// dialect: evm
+// ----
+// TypeError 5859: (23-24): Function expects string literal.
+// TypeError 5859: (48-52): Function expects string literal.
+// TypeError 5859: (76-81): Function expects string literal.
diff --git a/test/libyul/yulSyntaxTests/loadimmutable_bad_literal.yul b/test/libyul/yulSyntaxTests/loadimmutable_bad_literal.yul
new file mode 100644
index 000000000..2aadd2f20
--- /dev/null
+++ b/test/libyul/yulSyntaxTests/loadimmutable_bad_literal.yul
@@ -0,0 +1,11 @@
+{
+    pop(loadimmutable(0))
+    pop(loadimmutable(true))
+    pop(loadimmutable(false))
+}
+// ====
+// dialect: evm
+// ----
+// TypeError 5859: (24-25): Function expects string literal.
+// TypeError 5859: (50-54): Function expects string literal.
+// TypeError 5859: (79-84): Function expects string literal.
diff --git a/test/libyul/yulSyntaxTests/setimmutable_bad_literal.yul b/test/libyul/yulSyntaxTests/setimmutable_bad_literal.yul
new file mode 100644
index 000000000..6f19c6edb
--- /dev/null
+++ b/test/libyul/yulSyntaxTests/setimmutable_bad_literal.yul
@@ -0,0 +1,11 @@
+{
+    setimmutable(0, 0x1234567890123456789012345678901234567890)
+    setimmutable(true, 0x1234567890123456789012345678901234567890)
+    setimmutable(false, 0x1234567890123456789012345678901234567890)
+}
+// ====
+// dialect: evm
+// ----
+// TypeError 5859: (19-20): Function expects string literal.
+// TypeError 5859: (83-87): Function expects string literal.
+// TypeError 5859: (150-155): Function expects string literal.