[Bug preprocessor/69391] Incorrect __LINE__ expansion with -ftrack-macro-expansion=0 on g++5.2

2016-01-20 Thread mail at bobah dot net 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69391

mail at bobah dot net changed:

   What|Removed |Added

Summary|Incorrect __LINE__  |Incorrect __LINE__
   |expansion with  |expansion with
   |-ftrack-macro-expansion=0   |-ftrack-macro-expansion=0
   ||on g++5.2

--- Comment #1 from mail at bobah dot net ---
command line: g++ -ftrack-macro-expansion=0 test.cpp

[Bug preprocessor/69391] Incorrect __LINE__ expansion with -ftrack-macro-expansion=0 on g++5.2

2016-01-20 Thread mail at bobah dot net 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69391

--- Comment #2 from mail at bobah dot net ---
And if I make this change it works even with '-ftrack-macro-expansion=0'

- #define LINE STR(__LINE__) STR(__LINE__)
+ #define LINE() STR(__LINE__) STR(__LINE__)
- std::cout << LINE << "\n";
+ std::cout << LINE() << "\n";