2020-02-18 15:15:32 -05:00
|
|
|
diff --git base/values.cc base/values.cc
|
2020-03-30 16:13:42 -04:00
|
|
|
index ecca445840a8..9cde6ece0000 100644
|
2020-02-18 15:15:32 -05:00
|
|
|
--- base/values.cc
|
|
|
|
|
+++ base/values.cc
|
|
|
|
|
@@ -24,20 +24,6 @@
|
|
|
|
|
|
|
|
|
|
namespace base {
|
|
|
|
|
|
|
|
|
|
-// base::Value must be standard layout to guarantee that writing to
|
|
|
|
|
-// |bool_type_| then reading |type_| is defined behaviour. See:
|
|
|
|
|
-//
|
|
|
|
|
-// [class.union]:
|
|
|
|
|
-// If a standard-layout union contains several standard-layout structs that
|
|
|
|
|
-// share a common initial sequence (9.2), and if an object of this
|
|
|
|
|
-// standard-layout union type contains one of the standard-layout structs,
|
|
|
|
|
-// it is permitted to inspect the common initial sequence of any of
|
|
|
|
|
-// standard-layout struct members;
|
|
|
|
|
-//
|
|
|
|
|
-static_assert(std::is_standard_layout<Value>::value,
|
|
|
|
|
- "base::Value should be a standard-layout C++ class in order "
|
|
|
|
|
- "to avoid undefined behaviour in its implementation!");
|
|
|
|
|
-
|
|
|
|
|
static_assert(sizeof(Value::DoubleStorage) == sizeof(double),
|
|
|
|
|
"The double and DoubleStorage types should have the same size");
|
|
|
|
|
|
