Fixed compilation of bmalloc with GCC 4.8 after r196873.

https://bugs.webkit.org/show_bug.cgi?id=154534

Patch by Konstantin Tokarev <annulen@yandex.ru> on 2016-02-22
Reviewed by Mark Lam.

See https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55382.

* bmalloc/LargeChunk.h:
* bmalloc/SmallChunk.h:

Canonical link: https://commits.webkit.org/172645@main
git-svn-id: https://svn.webkit.org/repository/webkit/trunk@196938 268f45cc-cd09-0410-ab3c-d52691b4dbfc

Source/bmalloc/ChangeLog

@@ -1,3 +1,15 @@
+2016-02-22  Konstantin Tokarev  <annulen@yandex.ru>
+
+        Fixed compilation of bmalloc with GCC 4.8 after r196873.
+        https://bugs.webkit.org/show_bug.cgi?id=154534
+
+        Reviewed by Mark Lam.
+
+        See https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55382.
+
+        * bmalloc/LargeChunk.h:
+        * bmalloc/SmallChunk.h:
+
 2016-02-21  Geoffrey Garen  <ggaren@apple.com>
 
         bmalloc: Don't use a whole page for metadata

Source/bmalloc/bmalloc/LargeChunk.h

@@ -65,7 +65,7 @@ class LargeChunk {
     // We use the X's for boundary tags and the O's for edge sentinels.
 
     std::array<BoundaryTag, boundaryTagCount> m_boundaryTags;
-    char m_memory[] __attribute__((aligned(largeAlignment)));
+    char m_memory[] __attribute__((aligned(largeAlignment+0)));
 };
 
 static_assert(largeChunkMetadataSize == sizeof(LargeChunk), "Our largeChunkMetadataSize math in Sizes.h is wrong");

Source/bmalloc/bmalloc/SmallChunk.h

@@ -48,7 +48,7 @@ class SmallChunk {
 private:
     std::array<SmallLine, smallChunkSize / smallLineSize> m_lines;
     std::array<SmallPage, smallChunkSize / vmPageSize> m_pages;
-    char m_memory[] __attribute__((aligned(smallLineSize)));
+    char m_memory[] __attribute__((aligned(smallLineSize+0)));
 };
 
 static_assert(!(vmPageSize % smallLineSize), "vmPageSize must be an even multiple of line size");