From: Simon Pilgrim <llvm-dev@redking.me.uk>
Date: Thu, 15 Aug 2019 16:34:23 +0000 (+0000)
Subject: [LLVM][Alignment] Fix MSVC potential division by 0 warning (PR42911)
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=87f08b7e5c0ec3ae0c3a8c2838cfa391405d1ac7;p=llvm

[LLVM][Alignment] Fix MSVC potential division by 0 warning (PR42911)

Original Patch by @gchatelet (Guillaume Chatelet)

Differential Revision: https://reviews.llvm.org/D65859

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@369016 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/unittests/Support/AlignmentTest.cpp b/unittests/Support/AlignmentTest.cpp
index 83d6a727721..420772541d4 100644
--- a/unittests/Support/AlignmentTest.cpp
+++ b/unittests/Support/AlignmentTest.cpp
@@ -11,6 +11,12 @@
 
 #include <vector>
 
+#ifdef _MSC_VER
+// Disable warnings about potential divide by 0.
+#pragma warning(push)
+#pragma warning(disable : 4723)
+#endif
+
 using namespace llvm;
 
 namespace {
@@ -298,3 +304,7 @@ TEST(AlignmentDeathTest, CompareAlignToUndefMaybeAlign) {
 #endif // NDEBUG
 
 } // end anonymous namespace
+
+#ifdef _MSC_VER
+#pragma warning(pop)
+#endif