C++: Add more noreturn attribute tests

Author: jketema

cpp/ql/test/query-tests/jsf/4.13 Functions/AV Rule 114/AV Rule 114.expected

@@ -3,6 +3,9 @@
 | test.c:8:5:8:14 | declaration | Function f2 should return a value of type int but does not return a value here |
 | test.c:25:9:25:14 | ExprStmt | Function f4 should return a value of type int but does not return a value here |
 | test.c:39:9:39:14 | ExprStmt | Function f6 should return a value of type int but does not return a value here |
+| test.c:117:5:117:10 | ExprStmt | Function f19 should return a value of type int but does not return a value here |
+| test.c:123:5:123:10 | ExprStmt | Function f21 should return a value of type int but does not return a value here |
+| test.c:135:5:135:10 | ExprStmt | Function f25 should return a value of type int but does not return a value here |
 | test.cpp:16:1:18:1 | { ... } | Function g2 should return a value of type MyValue but does not return a value here |
 | test.cpp:52:1:52:1 | return ... | Function g7 should return a value of type MyValue but does not return a value here |
 | test.cpp:74:1:76:1 | { ... } | Function g10 should return a value of type second but does not return a value here |

cpp/ql/test/query-tests/jsf/4.13 Functions/AV Rule 114/test.c

@@ -1,4 +1,4 @@
-// semmle-extractor-options: -std=c11
+// semmle-extractor-options: -std=c23
 int f1(void) {
     int x = 1;
     return 2;
@@ -110,3 +110,27 @@ int f17() {
     if (__builtin_expect(1, 0))
         __builtin_unreachable(); // GOOD
 }
+
+[[_Noreturn]] void f18();
+
+int f19() {
+    f18(); // GOOD
+}
+
+[[___Noreturn__]] void f20();
+
+int f21() {
+    f20(); // GOOD
+}
+
+[[noreturn]] void f22();
+
+int f23() {
+    f22(); // GOOD
+}
+
+[[___noreturn__]] void f24();
+
+int f25() {
+    f24(); // GOOD
+}

cpp/ql/test/query-tests/jsf/4.13 Functions/AV Rule 114/test.cpp

@@ -188,3 +188,10 @@ int g22() {
 int g23() {
 	Aborting().a(); // GOOD [FALSE POSITIVE]
 }
+
+[[__noreturn__]]
+int g24();
+
+int g25() {
+	g24(); // GOOD
+}