Use standard-conforming alignof in debugallocation.cc

Clang was giving warning that alignof(<variable>) is extension. So we're now doing alignof of decltype.
gperftools · Aug 6, 2018 · c41688b · c41688b
1 parent 71c8ced
commit c41688b
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/src/debugallocation.cc b/src/debugallocation.cc
@@ -1152,8 +1152,8 @@ static union {
 
 REGISTER_MODULE_INITIALIZER(debugallocation, {
 #if (__cplusplus >= 201103L)
-    COMPILE_ASSERT(alignof(debug_malloc_implementation_space) >= alignof(DebugMallocImplementation),
-                   debug_malloc_implementation_space_is_not_properly_aligned);
+    static_assert(alignof(decltype(debug_malloc_implementation_space)) >= alignof(DebugMallocImplementation),
+                  "DebugMallocImplementation is expected to need just word alignment");
 #endif
   // Either we or valgrind will control memory management.  We
   // register our extension if we're the winner. Otherwise let