From: Philip Pronin <philipp@fb.com>
Date: Tue, 10 Sep 2013 13:25:53 +0000 (-0700)
Subject: disable asan for qfind_first_byte_of_needles16
X-Git-Tag: v0.22.0~881
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=5f19afe7fa9c6f0c5b6c13890006b8d76086c405;p=folly.git

disable asan for qfind_first_byte_of_needles16

Summary:
It's expected to read past the string (within the same memory
page).

Test Plan: .

Reviewed By: tudorb@fb.com

FB internal diff: D962974
---

diff --git a/folly/Range.cpp b/folly/Range.cpp
index 377e293c..c343a362 100644
--- a/folly/Range.cpp
+++ b/folly/Range.cpp
@@ -77,7 +77,8 @@ inline size_t nextAlignedIndex(const char* arr) {
 // build sse4.2-optimized version even if -msse4.2 is not passed to GCC
 size_t qfind_first_byte_of_needles16(const StringPiece& haystack,
                                      const StringPiece& needles)
-  __attribute__ ((__target__("sse4.2"), noinline));
+  __attribute__ ((__target__("sse4.2"), noinline))
+  FOLLY_DISABLE_ADDRESS_SANITIZER;
 
 // helper method for case where needles.size() <= 16
 size_t qfind_first_byte_of_needles16(const StringPiece& haystack,