[Bug c/61854] Warning single-line comment for -std=c89?

[mpolacek at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61854

--- Comment #4 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Author: mpolacek
Date: Wed Sep 17 21:49:46 2014
New Revision: 215339

URL: https://gcc.gnu.org/viewcvs?rev=215339&root=gcc&view=rev
Log:
    PR c/61854
libcpp/
    * init.c (struct lang_flags): Remove cplusplus_comments.
    (cpp_set_lang): Likewise.
    (post_options): Likewise.
    * lex.c (_cpp_lex_direct): Disallow C++ style comments in C90/C94.
testsuite/
    * gcc.dg/cpp/pr61854-1.c: New test.
    * gcc.dg/cpp/pr61854-2.c: New test.
    * gcc.dg/cpp/pr61854-3.c: New test.
    * gcc.dg/cpp/pr61854-3.h: New test.
    * gcc.dg/cpp/pr61854-4.c: New test.
    * gcc.dg/cpp/pr61854-5.c: New test.
    * gcc.dg/cpp/pr61854-6.c: New test.
    * gcc.dg/cpp/pr61854-7.c: New test.
    * gcc.dg/cpp/pr61854-c90.c: New test.
    * gcc.dg/cpp/pr61854-c94.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/cpp/pr61854-1.c
    trunk/gcc/testsuite/gcc.dg/cpp/pr61854-2.c
    trunk/gcc/testsuite/gcc.dg/cpp/pr61854-3.c
    trunk/gcc/testsuite/gcc.dg/cpp/pr61854-3.h
    trunk/gcc/testsuite/gcc.dg/cpp/pr61854-4.c
    trunk/gcc/testsuite/gcc.dg/cpp/pr61854-5.c
    trunk/gcc/testsuite/gcc.dg/cpp/pr61854-6.c
    trunk/gcc/testsuite/gcc.dg/cpp/pr61854-7.c
    trunk/gcc/testsuite/gcc.dg/cpp/pr61854-c90.c
    trunk/gcc/testsuite/gcc.dg/cpp/pr61854-c94.c
Modified:
    trunk/gcc/testsuite/ChangeLog
    trunk/libcpp/ChangeLog
    trunk/libcpp/init.c
    trunk/libcpp/lex.c