================
@@ -0,0 +1,70 @@
+#include <stddef.h>
+
+namespace std {
+inline namespace __LegacyLayout {
+template <typename T> class vector {
+public:
+ typedef T *pointer;
+
+ vector(pointer begin, size_t size) : __begin_(begin), __end_(begin + size) {}
+
+private:
+ pointer __begin_;
+ pointer __end_;
+ // __cap_ and __alloc_ aren't used, so they've been removed for simplicity.
----------------
Michael137 wrote:
> If that's the case, would you be okay with me adding a dedicated
> [[no_unique_address]] test instead?
There's already `no_unique_address` tests for the other STL containers (and
also dedicated ones in the API test suite). So there's no need for special
testing of this.
I just wanted the `LegacyLayout` to reflect the layout that `std::vector` used
to have. For documentation/consistency purposes. I understand that the class
itself is a minimally stripped version of the old layout, but with all the
other simulator tests we copy all the members over. I like doing that because
it accurately gives us an audit trail of how the layout changed over time
without having to trawl through the libc++ git log.
https://github.com/llvm/llvm-project/pull/202438
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