re PR preprocessor/48740 (Raw C++0x strings and trigraphs mix badly)

PR preprocessor/48740
	* lex.c (lex_raw_string): When raw string ends with
	??) followed by raw prefix and ", ensure it is preprocessed
	with ??) rather than ??].

	* c-c++-common/raw-string-11.c: New test.

From-SVN: r172903
This commit is contained in:
Jakub Jelinek 2011-04-24 01:32:09 +02:00 committed by Jakub Jelinek
parent 8d6a2f6968
commit 6cfae07011
4 changed files with 28 additions and 1 deletions

View file

@ -1,3 +1,8 @@
2011-04-24 Jakub Jelinek <jakub@redhat.com>
PR preprocessor/48740
* c-c++-common/raw-string-11.c: New test.
2011-04-23 John David Anglin <dave.anglin@nrc-cnrc.ca>
* gcc.dg/pr48616.c (dg-options): Add -fno-common to options on

View file

@ -0,0 +1,13 @@
// PR preprocessor/48740
// { dg-options "-std=gnu99 -trigraphs -save-temps" { target c } }
// { dg-options "-std=c++0x -save-temps" { target c++ } }
// { dg-do run }
int main ()
{
return __builtin_memcmp (R"raw(foo%sbar%sfred%sbob?????)raw",
"foo%sbar%sfred%sbob?""?""?""?""?",
sizeof ("foo%sbar%sfred%sbob?""?""?""?""?"));
}
// { dg-final { cleanup-saved-temps } }

View file

@ -1,3 +1,10 @@
2011-04-24 Jakub Jelinek <jakub@redhat.com>
PR preprocessor/48740
* lex.c (lex_raw_string): When raw string ends with
??) followed by raw prefix and ", ensure it is preprocessed
with ??) rather than ??].
2011-04-20 Jim Meyering <meyering@redhat.com>
* files.c (destroy_cpp_file): Remove useless if-before-free.

View file

@ -1410,7 +1410,9 @@ lex_raw_string (cpp_reader *pfile, cpp_token *token, const uchar *base,
raw_prefix_len) == 0
&& cur[raw_prefix_len+1] == '"')
{
cur += raw_prefix_len+2;
BUF_APPEND (")", 1);
base++;
cur += raw_prefix_len + 2;
goto break_outer_loop;
}
else