Fix #14374 FP missingReturn with std::throw_with_nested() (#8638)

Author: chrchr-github

cfg/std.cfg

@@ -8814,6 +8814,12 @@ initializer list (7) string& replace (const_iterator i1, const_iterator i2, init
     <use-retval/>
     <leak-ignore/>
   </function>
+  <function name="std::throw_with_nested">
+    <arg nr="1" direction="in" indirect="0"/>
+    <returnValue type="void"/>
+    <noreturn>true</noreturn>
+    <leak-ignore/>
+  </function>
   <memory>
     <alloc init="false" buffer-size="malloc">malloc,std::malloc</alloc>
     <alloc init="true" buffer-size="calloc">calloc,std::calloc</alloc>

test/cfg/std.cpp

@@ -5379,3 +5379,13 @@ int containerOutOfBounds_std_initializer_list() { // #14340
     int i = *x.end();
     return i + containerOutOfBounds_std_initializer_list_access(x);
 }
+
+int* missingReturn_std_throw_with_nested() { // #14374
+    try {
+        int* p = new int();
+        return p;
+    }
+    catch (...) {
+        std::throw_with_nested(std::runtime_error("xyz"));
+    }
+}