case keyword followed by character literal without space breaks syntax highlighting

[MrExquisite]

Checklist

• [X] This problem exists even with the setting "C_Cpp.enhancedColorization": "Disabled"
• [ ] This bug exists for C
• [X] This bug exists for C++
• [ ] This bug exists for Objective-C
• [ ] This bug exists for Objective-C++

The code with a problem is:

switch(i)
{
  case'g':break;
  case'H':break;
  case'\0':break;
  case'\'':break;
  case'\\':break;
}

It looks like:

Theme: Monokai

It should look like:

(Screenshot taken from C)