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| author | Joseph Myers <joseph@codesourcery.com> | 2009-04-12 23:20:02 +0100 |
|---|---|---|
| committer | Joseph Myers <jsm28@gcc.gnu.org> | 2009-04-12 23:20:02 +0100 |
| commit | 18f41a1b45de2a83725299a8e6544c1f226dd4da (patch) | |
| tree | 6ae1a7f8a15b2c180c7df052633170511e1bf746 /libcpp | |
| parent | 849d624b4a81f4dc9546e29571c970994dc935ed (diff) | |
| download | gcc-18f41a1b45de2a83725299a8e6544c1f226dd4da.zip gcc-18f41a1b45de2a83725299a8e6544c1f226dd4da.tar.gz gcc-18f41a1b45de2a83725299a8e6544c1f226dd4da.tar.bz2 | |
re PR preprocessor/31869 (stringifying empty macros)
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.
From-SVN: r145989
Diffstat (limited to 'libcpp')
| -rw-r--r-- | libcpp/ChangeLog | 7 | ||||
| -rw-r--r-- | libcpp/macro.c | 4 |
2 files changed, 10 insertions, 1 deletions
diff --git a/libcpp/ChangeLog b/libcpp/ChangeLog index 1a6dc55..d1383af 100644 --- a/libcpp/ChangeLog +++ b/libcpp/ChangeLog @@ -1,3 +1,10 @@ +2009-04-12 Joseph Myers <joseph@codesourcery.com> + + 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. + 2009-04-09 Jakub Jelinek <jakub@redhat.com> * Makefile.in: Change copyright header to refer to version diff --git a/libcpp/macro.c b/libcpp/macro.c index b6a7666..75c1c55 100644 --- a/libcpp/macro.c +++ b/libcpp/macro.c @@ -369,7 +369,9 @@ stringify_arg (cpp_reader *pfile, macro_arg *arg) if (token->type == CPP_PADDING) { - if (source == NULL) + if (source == NULL + || (!(source->flags & PREV_WHITE) + && token->val.source == NULL)) source = token->val.source; continue; } |