re PR preprocessor/27777 (Bad diagnostic emission when #error contains a trigraph)
gcc/testsuite
PR preprocessor/27777:
* gcc.dg/cpp/pr27777.c: New file.
libcpp
PR preprocessor/27777:
* lex.c (cpp_output_line_to_string): New function.
* internal.h (_cpp_begin_message): Don't declare.
* errors.c (_cpp_begin_message): Now static.
* include/cpplib.h (cpp_output_line_to_string): Declare.
* directives.c (do_diagnostic): Rewrote. Use
cpp_output_line_to_string. Don't use _cpp_begin_message.
From-SVN: r135740
diff --git a/libcpp/errors.c b/libcpp/errors.c
index 0b7c1e0..5e8e637 100644
--- a/libcpp/errors.c
+++ b/libcpp/errors.c
@@ -76,7 +76,7 @@
big enough max_column_hint.)
Returns 0 if the error has been suppressed. */
-int
+static int
_cpp_begin_message (cpp_reader *pfile, int code,
source_location src_loc, unsigned int column)
{