Declarations3: add missing testcase prev RULE-5-3

Author: knewbury01

c/common/test/rules/identifierhidden/IdentifierHidden.expected

@@ -1 +1,5 @@
-No expected results have yet been specified
+| test.c:4:7:4:9 | id1 | Variable is hiding variable $@. | test.c:1:5:1:7 | id1 | id1 |
+| test.c:7:13:7:15 | id1 | Variable is hiding variable $@. | test.c:1:5:1:7 | id1 | id1 |
+| test.c:10:12:10:14 | id1 | Variable is hiding variable $@. | test.c:1:5:1:7 | id1 | id1 |
+| test.c:11:14:11:16 | id1 | Variable is hiding variable $@. | test.c:10:12:10:14 | id1 | id1 |
+| test.c:24:24:24:26 | id2 | Variable is hiding variable $@. | test.c:22:5:22:7 | id2 | id2 |

c/common/test/rules/identifierhidden/test.c

@@ -0,0 +1,30 @@
+int id1;
+
+void f1() {
+  int id1; // NON_COMPLIANT
+}
+
+void f2(int id1) {} // NON_COMPLIANT
+
+void f3() {
+  for (int id1; id1 < 1; id1++) { // NON_COMPLIANT
+    for (int id1; id1 < 1; id1++) {
+    } // NON_COMPLIANT
+  }
+}
+
+struct astruct {
+  int id1;
+};
+
+extern void g(struct astruct *p);
+
+int id2 = 0;
+
+void f4(struct astruct id2) { // NON_COMPLIANT
+  g(&id2);
+}
+
+void f5(struct astruct id3) { // COMPLIANT
+  g(&id2);
+}