forked from catchorg/Catch2
In case of 2 instances of SourceLineInfo constructed in the same file, they will have the same `file` pointer (even at O0). Thus, we can check if they are equal before calling potentially pointless `strcmp`.
In case of 2 instances of SourceLineInfo constructed in the same file, they will have the same `file` pointer (even at O0). Thus, we can check if they are equal before calling potentially pointless `strcmp`.