From a529cf262e497a2517c182450e44d88e1e13860d Mon Sep 17 00:00:00 2001
From: Přemysl Janouch <p.janouch@gmail.com>
Date: Sun, 21 May 2017 13:05:54 +0200
Subject: Fix backtrace generation

---
 ell.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/ell.c b/ell.c
index 188672a..902d9d9 100644
--- a/ell.c
+++ b/ell.c
@@ -864,6 +864,7 @@ execute_statement
 	// with stack traces generated this way.
 	if (!ctx->memory_failure && ctx->error[0] != '_') {
 		char *tmp = ctx->error;
+		ctx->error = NULL;
 		set_error (ctx, "%s -> %s", name, tmp);
 		free (tmp);
 	}
-- 
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