Fix #14640 FP uninitvar (address in init list) (#8434)

Author: chrchr-github

lib/astutils.cpp

@@ -3418,7 +3418,7 @@ static ExprUsage getFunctionUsage(const Token* tok, int indirect, const Settings
     // variable init/constructor call?
     if (!func && ftok->variable() && ftok == ftok->variable()->nameToken()) {
         // STL types or containers don't initialize external variables
-        if (ftok->variable()->isStlType() || (ftok->variable()->valueType() && ftok->variable()->valueType()->container))
+        if (indirect == 0 && (ftok->variable()->isStlType() || (ftok->variable()->valueType() && ftok->variable()->valueType()->container)))
             return ExprUsage::Used;
         // TODO: resolve multiple constructors
         if (ftok->variable()->type() && ftok->variable()->type()->classScope) {

test/testuninitvar.cpp

@@ -7784,6 +7784,13 @@ class TestUninitVar : public TestFixture {
                         "    *s.p = 0;\n"
                         "}\n");
         ASSERT_EQUALS("", errout_str());
+
+        valueFlowUninit("void f() {\n"
+                        "    int x;\n"
+                        "    std::vector<int*> v{ &x };\n"
+                        "    *v[0] = 0;\n"
+                        "}\n");
+        ASSERT_EQUALS("", errout_str());
     }
 
     void valueFlowUninitForLoop()