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-rw-r--r--include/ruby/ruby.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/ruby/ruby.h b/include/ruby/ruby.h
index 3f9250dbe7..6d84a6b06e 100644
--- a/include/ruby/ruby.h
+++ b/include/ruby/ruby.h
@@ -2229,7 +2229,7 @@ ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mi
# ifdef __GNUC__
# define rb_scan_args_verify(fmt, varc) \
- ({ \
+ __extension__ ({ \
int verify; \
_Pragma("GCC diagnostic push"); \
_Pragma("GCC diagnostic ignored \"-Warray-bounds\""); \