(C++) Integer literals with quote delimiters in preprocessor highlighted wrong

[akhtarmdsaad]

Information

• Language: C++

Description
In C++, you can use the digit separator ' to define large numbers in a more readable way. For example, you can define 1'000'000 as follows:

Code snippet
#define MILLION 1'000'000

Test page

The code is being highlighted incorrectly.

# include<iostream>
# define INF 1'000'000
int main(){
    std::cout<<"Hello World";
    int x = 1'000'000;
}

[Proposed labels]:

1. good first issue
2. help-wanted
3. bug