Fix 11076: Assert failure / crash with loop over init list (#4119)

lib/astutils.cpp

@@ -2050,6 +2050,9 @@ T* getTokenArgumentFunctionImpl(T* tok, int& argn)
         tok = tok->link()->previous();
     if (!Token::Match(tok, "%name%|(|{"))
         return nullptr;
+    // Skip labels
+    if (Token::Match(tok, "%name% :"))
+        return nullptr;
     return tok;
 }
 

test/testvalueflow.cpp

@@ -6614,6 +6614,14 @@ private:
                "    }\n"
                "}\n";
         valueOfTok(code, "age");
+
+        code = "void a() {\n"
+               "  struct b {\n"
+               "    int d;\n"
+               "  };\n"
+               "  for (b c : {b{}, {}}) {}\n"
+               "}\n";
+        valueOfTok(code, "c");
     }
 
     void valueFlowHang() {