cpplib.h (cpp_options): Use signed char.
* include/cpplib.h (cpp_options): Use signed char.
* lex.c (_cpp_lex_direct): Don't warn in C++ mode.
From-SVN: r214210
diff --git a/libcpp/include/cpplib.h b/libcpp/include/cpplib.h
index b89ba20..9f87ff8 100644
--- a/libcpp/include/cpplib.h
+++ b/libcpp/include/cpplib.h
@@ -467,7 +467,7 @@
bool restore_pch_deps;
/* True if warn about differences between C90 and C99. */
- char cpp_warn_c90_c99_compat;
+ signed char cpp_warn_c90_c99_compat;
/* Dependency generation. */
struct