Update testunusedvar.cpp

Author: chrchr-github

test/testunusedvar.cpp

@@ -79,6 +79,7 @@ class TestUnusedVar : public TestFixture {
         TEST_CASE(structmember31); // #14130
         TEST_CASE(structmember32); // #14483
         TEST_CASE(structmember33);
+        TEST_CASE(structmember34);
         TEST_CASE(structmember_macro);
         TEST_CASE(structmember_template_argument); // #13887 - do not report that member used in template argument is unused
         TEST_CASE(classmember);
@@ -2088,6 +2089,13 @@ class TestUnusedVar : public TestFixture {
         ASSERT_EQUALS("[test.cpp:2:23]: (style) struct member 'S::mp' is never used. [unusedStructMember]\n", errout_str());
     }
 
+    void structmember34() {
+        checkStructMemberUsage("struct S {\n" // #14785
+                               "  std::int32_t i;\n"
+                               "};\n");
+        ASSERT_EQUALS("[test.cpp:2:16]: (style) struct member 'S::i' is never used. [unusedStructMember]\n", errout_str());
+    }
+
     void structmember_macro() {
         checkStructMemberUsageP("#define S(n) struct n { int a, b, c; };\n"
                                 "S(unused);\n");