Ticket #7270 segmentation fault (invalid code) in Tokenizer::simplifyLabelsCaseDefault. include fix for cygwin

lib/tokenize.cpp

@@ -2309,6 +2309,8 @@ void Tokenizer::simplifyLabelsCaseDefault()
                 break;
             if (tok->str() != "case" && tok->next() && tok->next()->str() == ":") {
                 tok = tok->next();
+				if (!tok->next())
+					syntaxError(tok); // #7270 invalid code
                 if (tok->next()->str() != ";" && tok->next()->str() != "case")
                     tok->insertToken(";");
                 else

test/testgarbage.cpp

@@ -219,6 +219,7 @@ private:
         TEST_CASE(garbageCode168); // #7246
         TEST_CASE(garbageCode169); // #6731
         TEST_CASE(garbageCode170);
+		TEST_CASE(garbageCode171);
         TEST_CASE(garbageValueFlow);
         TEST_CASE(garbageSymbolDatabase);
         TEST_CASE(garbageAST);
@@ -1442,6 +1443,11 @@ private:
         checkCode("d i(){{f*s=typeid(()0,)}}", false);
     }
 	
+	void garbageCode171() {
+        // 7270
+        ASSERT_THROW(checkCode("(){case()?():}:", false), InternalError);
+    }
+
 };
 
 REGISTER_TEST(TestGarbage)

test/testsuite.cpp

@@ -20,6 +20,7 @@
 #include "options.h"
 #include "redirect.h"
 
+#include <cstdio>
 #include <iostream>
 #include <list>