[Bug preprocessor/56825] Preprocessor does not expand macro correctly if it is an argument and argument of a macro contains ##

[stelek at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56825



--- Comment #2 from Evgeny Televitckiy <stelek at gmail dot com> 2013-04-03 
09:09:22 UTC ---

A small correction.

Lines:

But if we use more complicate:

 USE_E3_ARG_R(5, USE_E3_ARG_R(6, 7));

It expands to:

 (USE_E3_ARG_W(9, 0), 8, 8);



Should be changed to:

But if we use more complicate:

 USE_E3_ARG_W(8, USE_E3_ARG_W(9, 0));

It expands to:

 (USE_E3_ARG_W(9, 0), 8, 8);