From 56ee5d9337fac7fcf9e755e75d85563d84d1b89c Mon Sep 17 00:00:00 2001
From: Sam McCall <sam.mccall@gmail.com>
Date: Fri, 6 May 2022 15:50:33 +0200
Subject: [PATCH] [Support] Fix asan AllocatorTest after ba0d50ad7ec66

We were counting the number of bytes allocated, but under asan there's
extra redzone bytes by default. Disable this.
---
 llvm/unittests/Support/AllocatorTest.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/llvm/unittests/Support/AllocatorTest.cpp b/llvm/unittests/Support/AllocatorTest.cpp
index 665d1b7e38f0..b361b0aa7252 100644
--- a/llvm/unittests/Support/AllocatorTest.cpp
+++ b/llvm/unittests/Support/AllocatorTest.cpp
@@ -105,6 +105,7 @@ TEST(AllocatorTest, TestAlignment) {
 // we end up creating a slab for it.
 TEST(AllocatorTest, TestZero) {
   BumpPtrAllocator Alloc;
+  Alloc.setRedZoneSize(0); // else our arithmetic is all off
   EXPECT_EQ(0u, Alloc.GetNumSlabs());
   EXPECT_EQ(0u, Alloc.getBytesAllocated());