From 21bd2698e78605917024c99b579f6daae3fb7003 Mon Sep 17 00:00:00 2001
From: Tavian Barnes <tavianator@tavianator.com>
Date: Tue, 7 Jun 2016 19:16:31 -0400
Subject: Implement -D opt.

---
 eval.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'eval.c')

diff --git a/eval.c b/eval.c
index 9ac0c6a..828a33f 100644
--- a/eval.c
+++ b/eval.c
@@ -908,6 +908,9 @@ int eval_cmdline(const struct cmdline *cmdline) {
 	}
 
 	if (cmdline->optlevel >= 3 && cmdline->expr->eval == eval_false) {
+		if (cmdline->debug & DEBUG_OPT) {
+			fputs("-O3: skipping evaluation of top-level -false\n", stderr);
+		}
 		return 0;
 	}
 
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