[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