diff options
| 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/macro.c | |
| parent | 849d624b4a81f4dc9546e29571c970994dc935ed (diff) | |
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/macro.c')
| -rw-r--r-- | libcpp/macro.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/libcpp/macro.c b/libcpp/macro.c index b6a766696a8..75c1c55e022 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; } |