Memory leaks : Fixed false positive for "p" when there is a line such as "p2 = p + 1;"

checkmemoryleak.cpp

@@ -570,7 +570,7 @@ TOKEN *CheckMemoryLeakClass::getcode(const TOKEN *tok, std::list<const TOKEN *>
             addtoken("throw");
 
         // Assignment..
-        if ( TOKEN::Match(tok,"[)=] %var1% [;)]", varnames) ||
+        if ( TOKEN::Match(tok,"[)=] %var1% [+;)]", varnames) ||
              TOKEN::Match(tok, "%var1% +=|-=", varnames) )
             addtoken("use");
 

testmemleak.cpp

@@ -1229,6 +1229,15 @@ private:
 
         ASSERT_EQUALS( std::string(""), errout.str() );
 
+        check( "void foo()\n"
+               "{\n"
+               "    char *a = (char *)malloc(10);\n"
+               "    char *p = a + 1;\n"
+               "    free(p);\n"
+               "}\n" );
+
+        ASSERT_EQUALS( std::string(""), errout.str() );
+
         check( "void foo()\n"
                "{\n"
                "    char *a = (char *)malloc(10);\n"