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-rw-r--r--gcc/c-common.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/gcc/c-common.c b/gcc/c-common.c
index 27dc0873db6..71234b75bcb 100644
--- a/gcc/c-common.c
+++ b/gcc/c-common.c
@@ -6555,3 +6555,26 @@ boolean_increment (code, arg)
TREE_SIDE_EFFECTS (val) = 1;
return val;
}
+
+
+/* Do the parts of lang_init common to C and C++. */
+void
+c_common_lang_init ()
+{
+ /* If still "unspecified", make it match -fbounded-pointers. */
+ if (flag_bounds_check < 0)
+ flag_bounds_check = flag_bounded_pointers;
+
+ /* Special format checking options don't work without -Wformat; warn if
+ they are used. */
+ if (warn_format_y2k && !warn_format)
+ warning ("-Wformat-y2k ignored without -Wformat");
+ if (warn_format_extra_args && !warn_format)
+ warning ("-Wformat-extra-args ignored without -Wformat");
+ if (warn_format_nonliteral && !warn_format)
+ warning ("-Wformat-nonliteral ignored without -Wformat");
+ if (warn_format_security && !warn_format)
+ warning ("-Wformat-security ignored without -Wformat");
+ if (warn_missing_format_attribute && !warn_format)
+ warning ("-Wmissing-format-attribute ignored without -Wformat");
+}
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