[libcxxabi] r336157 - [demangler] Fix a MSVC alignment warning.

[Erik Pilkington via cfe-commits]

Author: epilk
Date: Mon Jul  2 17:23:18 2018
New Revision: 336157

URL: http://llvm.org/viewvc/llvm-project?rev=336157&view=rev
Log:
[demangler] Fix a MSVC alignment warning.

This should fix llvm.org/PR37944

Modified:
    libcxxabi/trunk/src/cxa_demangle.cpp

Modified: libcxxabi/trunk/src/cxa_demangle.cpp
URL: http://llvm.org/viewvc/llvm-project/libcxxabi/trunk/src/cxa_demangle.cpp?rev=336157&r1=336156&r2=336157&view=diff
==============================================================================
--- libcxxabi/trunk/src/cxa_demangle.cpp (original)
+++ libcxxabi/trunk/src/cxa_demangle.cpp Mon Jul  2 17:23:18 2018
@@ -19,6 +19,7 @@
 #include <algorithm>
 #include <numeric>
 #include <cassert>
+#include <cstddef>
 #include <cstdio>
 #include <cstdlib>
 #include <cstring>
@@ -1890,7 +1891,7 @@ class BumpPointerAllocator {
   static constexpr size_t AllocSize = 4096;
   static constexpr size_t UsableAllocSize = AllocSize - sizeof(BlockMeta);
 
-  alignas(16) char InitialBuffer[AllocSize];
+  alignas(std::max_align_t) char InitialBuffer[AllocSize];
   BlockMeta* BlockList = nullptr;
 
   void grow() {