From: David Callahan <dcallahan@fb.com>
Date: Fri, 22 Jan 2016 21:34:32 +0000 (-0800)
Subject: avoid aggressive optimization
X-Git-Tag: deprecate-dynamic-initializer~144
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=1723592cef9164c8e72d57417f5a33162b867f63;p=folly.git

avoid aggressive optimization

Summary: GCC will now dead-code eliminate the folly-based version of this test without a mechanisms to force the result to be live.

Reviewed By: ttsugriy

Differential Revision: D2854633

fb-gh-sync-id: 0e3841ed22c040fda7653bcfb5a3f19ca3d1f835
---

diff --git a/folly/test/AsciiCaseInsensitiveBenchmark.cpp b/folly/test/AsciiCaseInsensitiveBenchmark.cpp
index 00865763..f075f941 100644
--- a/folly/test/AsciiCaseInsensitiveBenchmark.cpp
+++ b/folly/test/AsciiCaseInsensitiveBenchmark.cpp
@@ -100,6 +100,7 @@ inline void test_operator_on_search(int iters) {
       cmp
     ) - lorem_ipsum.begin();
   }
+  doNotOptimizeAway(dummy);
 }
 
 BENCHMARK(LegacyCaseInsensitiveCheck, iters) {