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-rw-r--r--gcc/c-family/c-opts.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/gcc/c-family/c-opts.c b/gcc/c-family/c-opts.c
index 32120e636c2..cead15e7a63 100644
--- a/gcc/c-family/c-opts.c
+++ b/gcc/c-family/c-opts.c
@@ -989,6 +989,9 @@ c_common_post_options (const char **pfilename)
flag_extern_tls_init = 1;
}
+ if (warn_return_type == -1)
+ warn_return_type = c_dialect_cxx ();
+
if (num_in_fnames > 1)
error ("too many filenames given. Type %s --help for usage",
progname);