Uninitialized variables: Fixed false negatives when using ({})

lib/checkuninitvar.cpp

@@ -1649,7 +1649,7 @@ bool CheckUninitVar::isVariableUsage(const Token *vartok, bool pointer, bool cpp
         }
     }
 
-    if (Token::Match(vartok->previous(), "++|--|%cop%")) {
+    if (Token::Match(vartok->previous(), "++|--|?|:|%cop%")) {
         if (cpp && vartok->previous()->str() == ">>") {
             // assume that variable is initialized
             return false;

test/testuninitvar.cpp

@@ -2152,6 +2152,13 @@ private:
                         "}");
         ASSERT_EQUALS("", errout.str());
 
+        // = ({ .. })
+        checkUninitVar2("void f() {\n"
+                        "    int x = ({ 1 + 2; });\n"
+                        "    int y = 1 + (x ? y : y);\n"
+                        "}");
+        ASSERT_EQUALS("[test.cpp:3]: (error) Uninitialized variable: y\n", errout.str());
+
         // >> => initialization / usage
         {
             const char code[] = "void f() {\n"