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re PR preprocessor/69650 (ICE in linemap_line_start, at libcpp/line-map.c:803)

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Patch from Roger Orr <rogero@howzatt.demon.co.uk>
	PR preprocessor/69650
	* directives.c (do_linemarker): Reread map after calling
	cpp_get_token.

From-SVN: r234932
This commit is contained in:
Bernd Schmidt 2016-04-13 11:40:37 +00:00 committed by Bernd Schmidt
parent abdb7e1568
commit 12de224542
2 changed files with 12 additions and 1 deletions
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7
libcpp/ChangeLog
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@ -1,3 +1,10 @@
2016-04-13 Bernd Schmidt <bschmidt@redhat.com>
Patch from Roger Orr <rogero@howzatt.demon.co.uk>
PR preprocessor/69650
* directives.c (do_linemarker): Reread map after calling
cpp_get_token.
2016-04-06 Richard Henderson <rth@redhat.com>
PR preprocessor/61817

6
libcpp/directives.c
View File

@ -1048,6 +1048,9 @@ do_linemarker (cpp_reader *pfile)
if (reason == LC_LEAVE)
{
/* Reread map since cpp_get_token can invalidate it with a
reallocation. */
map = LINEMAPS_LAST_ORDINARY_MAP (line_table);
const line_map_ordinary *from;
if (MAIN_FILE_P (map)
|| (new_file
@ -1055,7 +1058,8 @@ do_linemarker (cpp_reader *pfile)
&& 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);
"file \"%s\" linemarker ignored due to "
"incorrect nesting", new_file);
return;
}
}