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-rw-r--r--eval.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/eval.c b/eval.c
index 5de75f9..171eadf 100644
--- a/eval.c
+++ b/eval.c
@@ -938,7 +938,7 @@ static void call_trace_func _((char*,NODE*,VALUE,ID,VALUE));
#define SET_CURRENT_SOURCE() (ruby_sourcefile = ruby_current_node->nd_file, \
ruby_sourceline = nd_line(ruby_current_node))
#else
-#define SET_CURRENT_SOURCE() do { } while (0)
+#define SET_CURRENT_SOURCE() ((void)0)
#endif
void