Fix #12064 FP useStlAlgorithm with loop over initializer list (#5542)

Author: chrchr-github

lib/checkstl.cpp

@@ -2878,6 +2878,8 @@ void CheckStl::useStlAlgorithm()
                 loopVar = splitTok->previous();
                 if (loopVar->varId() == 0)
                     continue;
+                if (Token::simpleMatch(splitTok->astOperand2(), "{"))
+                    continue;
             }
             else { // iterator-based loop?
                 const Token* initTok = getInitTok(tok);

test/teststl.cpp

@@ -5437,6 +5437,13 @@ class TestStl : public TestFixture {
               "}\n");
         ASSERT_EQUALS("[test.cpp:2]: (style) Consider using std::any_of algorithm instead of a raw loop.\n",
                       errout.str());
+
+        check("void f() {\n" // #12064
+              "    for (const auto& animal : { \"cat\", \"bat\", \"tiger\", \"rat\" })\n"
+              "        if (std::strlen(animal) > 4)\n"
+              "            throw 1;\n"
+              "}\n");
+        ASSERT_EQUALS("", errout.str());
     }
 
     void loopAlgoMinMax() {