From: Kamil Rytarowski <n54@gmx.com>
Date: Sun, 4 Nov 2018 15:30:38 +0000 (+0000)
Subject: Disable recursive interception for tzset in MSan
X-Git-Tag: llvmorg-8.0.0-rc1~5036
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=538d67873743ff38953ddaa92b48def2c290d342;p=platform%2Fupstream%2Fllvm.git

Disable recursive interception for tzset in MSan

This fixes sanitization of this library call on NetBSD.
Extracted as a part of D42050.

llvm-svn: 346098
---

diff --git a/compiler-rt/lib/msan/msan_interceptors.cc b/compiler-rt/lib/msan/msan_interceptors.cc
index 393a990..07300f3 100644
--- a/compiler-rt/lib/msan/msan_interceptors.cc
+++ b/compiler-rt/lib/msan/msan_interceptors.cc
@@ -1072,6 +1072,7 @@ extern char *tzname[2];
 
 INTERCEPTOR(void, tzset, int fake) {
   ENSURE_MSAN_INITED();
+  InterceptorScope interceptor_scope;
   REAL(tzset)(fake);
   if (tzname[0])
     __msan_unpoison(tzname[0], REAL(strlen)(tzname[0]) + 1);