swift-wasm-5.3-SNAPSHOT-2020-07-13-a

Merge pull request #1448 from swiftwasm/release/5.3

[pull] swiftwasm-release/5.3 from release/5.3

swift-wasm-DEVELOPMENT-SNAPSHOT-2020-07-11-a

Merge pull request #1439 from swiftwasm/master

[pull] swiftwasm from master

swift-wasm-5.3-SNAPSHOT-2020-07-11-a

Merge pull request #1438 from swiftwasm/release/5.3

[pull] swiftwasm-release/5.3 from release/5.3

swift-wasm-DEVELOPMENT-SNAPSHOT-2020-07-10-a

Merge pull request #1426 from swiftwasm/master

[pull] swiftwasm from master

swift-wasm-DEVELOPMENT-SNAPSHOT-2020-07-09-a

Merge pull request #1422 from swiftwasm/maxd/master-merge

Resolve conflicts with master

swift-wasm-DEVELOPMENT-SNAPSHOT-2020-07-08-a

Merge pull request #1407 from swiftwasm/master

[pull] swiftwasm from master

swift-wasm-5.3-SNAPSHOT-2020-07-08-a

Merge pull request #1397 from swiftwasm/release/5.3

[pull] swiftwasm-release/5.3 from release/5.3

swift-wasm-DEVELOPMENT-SNAPSHOT-2020-07-07-a

Merge pull request #1399 from swiftwasm/maxd/cleanup-build-script

Use fatal_error instead of diagnostics in build-script

swift-wasm-5.3-SNAPSHOT-2020-07-07-a

Merge pull request #1390 from swiftwasm/maxd/5.3-arm64-fix

Fix cross-compilation issues in 5.3 after arm64 upstream merge

swift-wasm-DEVELOPMENT-SNAPSHOT-2020-07-06-a

Merge pull request #1389 from swiftwasm/katei/merge-master-2020-07-06

The added lines by Apple Silicon patch really depend on the build machine platform and it forces that we can build stdlib only for darwin targets. So I changed to allow non-darwin targets and filter only unsupported darwin targets. This patch should be sent to upstream.

Resolve https://github.com/swiftwasm/swift/issues/1388