From 8ae395de66bec80bfdfb72da8e1217abeec9b913 Mon Sep 17 00:00:00 2001
From: Pete Cooper <peter_cooper@apple.com>
Date: Tue, 9 Jun 2015 20:58:03 +0000
Subject: Use AlignOf traits to enable static_assert.

This is better than runtime asserts.  Thanks to David Blaikie for the help here.

llvm-svn: 239431
---
 llvm/lib/MC/MCSymbol.cpp | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

(limited to 'llvm/lib/MC/MCSymbol.cpp')

diff --git a/llvm/lib/MC/MCSymbol.cpp b/llvm/lib/MC/MCSymbol.cpp
index f0f35f7b29e..836d28294f5 100644
--- a/llvm/lib/MC/MCSymbol.cpp
+++ b/llvm/lib/MC/MCSymbol.cpp
@@ -28,9 +28,9 @@ void *MCSymbol::operator new(size_t s, const StringMapEntry<bool> *Name,
   // For safety, ensure that the alignment of a pointer is enough for an
   // MCSymbol.  This also ensures we don't need padding between the name and
   // symbol.
-  // FIXME: Use static_assert when constexpr is supported.
-  assert(alignOf<MCSymbol>() <= alignOf<NameEntryStorageTy>() &&
-         "Bad alignment of MCSymbol");
+  static_assert(AlignOf<MCSymbol>::Alignment <=
+                AlignOf<NameEntryStorageTy>::Alignment,
+                "Bad alignment of MCSymbol");
   void *Storage = Ctx.allocate(Size, alignOf<NameEntryStorageTy>());
   NameEntryStorageTy *Start = static_cast<NameEntryStorageTy*>(Storage);
   NameEntryStorageTy *End = Start + (Name ? 1 : 0);
-- 
cgit v1.2.3