Fixed #8100 (False positive when method/function defines lambda with pointer return value)

lib/checkmemoryleak.cpp

@@ -353,6 +353,8 @@ CheckMemoryLeak::AllocType CheckMemoryLeak::functionReturnType(const Function* f
     // Get return pointer..
     unsigned int varid = 0;
     for (const Token *tok2 = func->functionScope->bodyStart; tok2 != func->functionScope->bodyEnd; tok2 = tok2->next()) {
+        if (const Token *endOfLambda = findLambdaEndToken(tok2))
+            tok2 = endOfLambda;
         if (tok2->str() == "return") {
             const AllocType allocType = getAllocationType(tok2->next(), 0, callstack);
             if (allocType != No)

test/testmemleak.cpp

@@ -5869,6 +5869,16 @@ private:
               "}");
         ASSERT_EQUALS("[test.cpp:7]: (error) Return value of allocation function 'f' is not stored.\n", errout.str());
 
+        check("void f()\n" // #8100
+              "{\n"
+              "    auto lambda = [](){return malloc(10);};\n"
+              "}\n"
+              "void x()\n"
+              "{\n"
+              "    f();\n"
+              "}");
+        ASSERT_EQUALS("", errout.str());
+
         check("void x()\n"
               "{\n"
               "    if(!malloc(5)) fail();\n"