diff options
author | Bernd Schmidt <bschmidt@redhat.com> | 2016-03-25 16:15:39 +0000 |
---|---|---|
committer | Jeff Law <law@redhat.com> | 2016-03-25 16:15:39 +0000 |
commit | 61fcaf46d5229bda1e1715edd916186e038d4983 (patch) | |
tree | 9471bd17deccc2f59b0dbe6408240bdddda296b2 /libcpp/directives.c | |
parent | e85e1cb7fcfec68bdf9c7fd77178c367e8fde0bf (diff) |
PR lto/69650
* directives.c (do_linemarker): Test for file left but not entered
here.
* line-map.c (linemap_add): Not here.
PR lto/69650
* gcc.dg/pr69650.c: New test.
git-svn-id: https://gcc.gnu.org/svn/gcc/trunk@234481 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'libcpp/directives.c')
-rw-r--r-- | libcpp/directives.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/libcpp/directives.c b/libcpp/directives.c index 63f54ef7230..6aa6bd1f86a 100644 --- a/libcpp/directives.c +++ b/libcpp/directives.c @@ -1046,6 +1046,19 @@ do_linemarker (cpp_reader *pfile) skip_rest_of_line (pfile); + if (reason == LC_LEAVE) + { + const line_map_ordinary *from; + if (MAIN_FILE_P (map) + || (new_file + && (from = INCLUDED_FROM (pfile->line_table, map)) != NULL + && filename_cmp (ORDINARY_MAP_FILE_NAME (from), new_file) != 0)) + { + cpp_warning (pfile, CPP_W_NONE, + "file \"%s\" linemarker ignored due to incorrect nesting", new_file); + return; + } + } /* Compensate for the increment in linemap_add that occurs in _cpp_do_file_change. We're currently at the start of the line *following* the #line directive. A separate source_location for this |