John McCall

icon company @apple icon location 2008–present @apple: language design and impl (Swift, ObjC, clang++); ed. @itanium-cxx-abi / 2006–08 MS cs.pdx.edu / 2003–06 gdviz.com / 2000–03 BS math.cmu.edu

Results 13 comments of John McCall

Support lvalue statement expressions in C++

When we first implemented statement-expressions in Clang, the rule in GCC was that they were always r-values. Apparently this changed in GCC 4.5, and we just never followed along. I...

Enable IRGen/protocol_metadata test on Apple Silicon

This looks reasonable to me.

Enable IRGen/protocol_metadata test on Apple Silicon

@swift-ci Please test

Fix quadratic performance of the `ListMerger` in specific usage pattern

> @rjmccall, I get the general idea of having 5 double-linked lists, but I'm afraid I did not understand some of the details that you've mentioned. Oh, sorry, I didn't...

Fix quadratic performance of the `ListMerger` in specific usage pattern

@swift-ci Please test

Fix quadratic performance of the `ListMerger` in specific usage pattern

@swift-ci Please test

Fix quadratic performance of the `ListMerger` in specific usage pattern

@swift-ci Please test

Fix quadratic performance of the `ListMerger` in specific usage pattern

@swift-ci Please test macOS

Fix quadratic performance of the `ListMerger` in specific usage pattern

I've asked @rokhinip and @mikeash to try to find time to take a look, but otherwise I think we're all set. We'll have to talk about our risk tolerance for...

Fix quadratic performance of the `ListMerger` in specific usage pattern

@swift-ci Please test