Switch to static_assert.

base/macros.h

Index: base/macros.h
diff --git a/base/macros.h b/base/macros.h
index af1cb386afc32c3940c3866a3ec64f02796f5eff..47ac5a7dfd60e09533a7899919677399130b7a1f 100644
--- a/base/macros.h
+++ b/base/macros.h
@@ -55,24 +55,6 @@
 template <typename T, size_t N> char (&ArraySizeHelper(T (&array)[N]))[N];
 #define arraysize(array) (sizeof(ArraySizeHelper(array)))
 
-// The COMPILE_ASSERT macro can be used to verify that a compile time
-// expression is true. For example, you could use it to verify the
-// size of a static array:
-//
-//   COMPILE_ASSERT(arraysize(content_type_names) == CONTENT_NUM_TYPES,
-//                  content_type_names_incorrect_size);
-//
-// or to make sure a struct is smaller than a certain size:
-//
-//   COMPILE_ASSERT(sizeof(foo) < 128, foo_too_large);
-//
-// The second argument to the macro is the name of the variable. If
-// the expression is false, most compilers will issue a warning/error
-// containing the name of the variable.
-
-#undef COMPILE_ASSERT
-#define COMPILE_ASSERT(expr, msg) static_assert(expr, #msg)

[Nico, 2015/11/24 14:45:02]

(maybe land the change to this file in a separate CL, since this is the only
part that could lead to surprising problems. it'd be a shame if the whole cl got
reverted just because it includes this 16 line removal. but up to you.)

-
 // bit_cast<Dest,Source> is a template function that implements the
 // equivalent of "*reinterpret_cast<Dest*>(&source)".  We need this in
 // very low-level functions like the protobuf library and fast math