[PATCH] D48889: [demangler] Ensure proper alignment in BumpPointerAllocator

[Serge Pavlov via Phabricator via llvm-commits]

sepavloff updated this revision to Diff 154108.
sepavloff added a comment.

Updated patch


Repository:
  rL LLVM

https://reviews.llvm.org/D48889

Files:
  lib/Demangle/ItaniumDemangle.cpp


Index: lib/Demangle/ItaniumDemangle.cpp
===================================================================
--- lib/Demangle/ItaniumDemangle.cpp
+++ lib/Demangle/ItaniumDemangle.cpp
@@ -1950,7 +1950,7 @@
   static constexpr size_t AllocSize = 4096;
   static constexpr size_t UsableAllocSize = AllocSize - sizeof(BlockMeta);
 
-  alignas(16) char InitialBuffer[AllocSize];
+  alignas(alignof(long double)) char InitialBuffer[AllocSize];
   BlockMeta* BlockList = nullptr;
 
   void grow() {


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