[Bug preprocessor/31869] stringifying empty macros

[jsm28 at gcc dot gnu dot org]

--- Comment #6 from jsm28 at gcc dot gnu dot org  2009-04-12 22:23 ---
Fixed for 4.5.


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jsm28 at gcc dot gnu dot org changed:

   What|Removed |Added

 Status|NEW |RESOLVED
  Known to work||4.5.0
 Resolution||FIXED
   Target Milestone|--- |4.5.0


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31869

[Bug preprocessor/31869] stringifying empty macros

[jsm28 at gcc dot gnu dot org]

--- Comment #5 from jsm28 at gcc dot gnu dot org  2009-04-12 22:20 ---
Subject: Bug 31869

Author: jsm28
Date: Sun Apr 12 22:20:02 2009
New Revision: 145989

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=145989
Log:
libcpp:
PR preprocessor/31869
* macro.c (stringify_arg): Handle NULL source token in padding
token where previous padding token did not have source token with
preceding whitespace.

gcc/testsuite:
* gcc.dg/cpp/strify5.c: New test.

Added:
trunk/gcc/testsuite/gcc.dg/cpp/strify5.c
Modified:
trunk/gcc/testsuite/ChangeLog
trunk/libcpp/ChangeLog
trunk/libcpp/macro.c


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31869

[Bug preprocessor/31869] stringifying empty macros

[jsm28 at gcc dot gnu dot org]

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jsm28 at gcc dot gnu dot org changed:

   What|Removed |Added

OtherBugsDependingO||16620, 16989
  nThis||
 Status|UNCONFIRMED |NEW
 Ever Confirmed|0   |1
   Last reconfirmed|-00-00 00:00:00 |2009-03-29 23:30:21
   date||


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31869

[Bug preprocessor/31869] stringifying empty macros

[truedfx at gentoo dot org]

--- Comment #4 from truedfx at gentoo dot org  2007-12-28 20:59 ---
Yes, gcc 2.95.3 got it right, the program used to keep the space:

..
. .


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31869

[Bug preprocessor/31869] stringifying empty macros

[truedfx at gentoo dot org]

--- Comment #3 from truedfx at gentoo dot org  2007-05-10 00:33 ---
I see the same behaviour with gcc 3.3.6. I'm not able to check even older
versions for now.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31869

[Bug preprocessor/31869] stringifying empty macros

[neil at gcc dot gnu dot org]

--- Comment #2 from neil at gcc dot gnu dot org  2007-05-09 05:01 ---
The space is required by the standard.  Is this a regression?  I believe GCC
used to get this right but I could be wrong.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31869

[Bug preprocessor/31869] stringifying empty macros

[pinskia at gcc dot gnu dot org]

--- Comment #1 from pinskia at gcc dot gnu dot org  2007-05-09 03:14 ---
I don't see a problem with this .. are two different tokens (.) so getting rid
of the space is ok here.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31869