[llvm] r369016 - [LLVM][Alignment] Fix MSVC potential division by 0 warning (PR42911)

[Simon Pilgrim via llvm-commits]

Author: rksimon
Date: Thu Aug 15 09:34:23 2019
New Revision: 369016

URL: http://llvm.org/viewvc/llvm-project?rev=369016&view=rev
Log:
[LLVM][Alignment] Fix MSVC potential division by 0 warning (PR42911)

Original Patch by @gchatelet (Guillaume Chatelet)

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

Modified:
    llvm/trunk/unittests/Support/AlignmentTest.cpp

Modified: llvm/trunk/unittests/Support/AlignmentTest.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/unittests/Support/AlignmentTest.cpp?rev=369016&r1=369015&r2=369016&view=diff
==============================================================================
--- llvm/trunk/unittests/Support/AlignmentTest.cpp (original)
+++ llvm/trunk/unittests/Support/AlignmentTest.cpp Thu Aug 15 09:34:23 2019
@@ -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, CompareAlignToU
 #endif // NDEBUG
 
 } // end anonymous namespace
+
+#ifdef _MSC_VER
+#pragma warning(pop)
+#endif