Too big shift: fix FP when cast is used

lib/checktype.h

@@ -44,19 +44,20 @@ public:
 
     /** @brief Run checks against the normal token list */
     void runChecks(const Tokenizer *tokenizer, const Settings *settings, ErrorLogger *errorLogger) {
-        (void)tokenizer;
+        // These are not "simplified" because casts can't be ignored
-        (void)settings;
-        (void)errorLogger;
-    }
-
-    /** @brief Run checks against the simplified token list */
-    void runSimplifiedChecks(const Tokenizer *tokenizer, const Settings *settings, ErrorLogger *errorLogger) {
         CheckType checkType(tokenizer, settings, errorLogger);
         checkType.checkTooBigBitwiseShift();
         checkType.checkIntegerOverflow();
         checkType.checkSignConversion();
     }
 
+    /** @brief Run checks against the simplified token list */
+    void runSimplifiedChecks(const Tokenizer *tokenizer, const Settings *settings, ErrorLogger *errorLogger) {
+        (void)tokenizer;
+        (void)settings;
+        (void)errorLogger;
+    }
+
     /** @brief %Check for bitwise shift with too big right operand */
     void checkTooBigBitwiseShift();
 

test/testtype.cpp

@@ -59,12 +59,6 @@ private:
         // Check..
         CheckType checkType(&tokenizer, settings, this);
         checkType.runChecks(&tokenizer, settings, this);
-        const std::string str1(tokenizer.tokens()->stringifyList(0,true));
-        tokenizer.simplifyTokenList2();
-        const std::string str2(tokenizer.tokens()->stringifyList(0,true));
-        if (str1 != str2)
-            warn(("Unsimplified code in test case\nstr1="+str1+"\nstr2="+str2).c_str());
-        checkType.runSimplifiedChecks(&tokenizer, settings, this);
     }
 
     void checkTooBigShift() {
@@ -80,6 +74,11 @@ private:
               "   return x << 2;\n"
               "}",&settings);
         ASSERT_EQUALS("", errout.str());
+
+        check("int foo(int x) {\n"
+              "   return (long long)x << 40;\n"
+              "}",&settings);
+        ASSERT_EQUALS("", errout.str());
     }
 
     void checkIntegerOverflow() {