swift-wasm-DEVELOPMENT-SNAPSHOT-2020-06-22-a

Merge pull request #1276 from swiftwasm/master

[pull] swiftwasm from master

swift-wasm-DEVELOPMENT-SNAPSHOT-2020-06-19-a

Merge pull request #1264 from swiftwasm/master

[pull] swiftwasm from master

swift-wasm-5.3-SNAPSHOT-2020-06-18-a

Merge pull request #1261 from swiftwasm/release/5.3

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

swift-wasm-DEVELOPMENT-SNAPSHOT-2020-06-16-a

Merge pull request #1234 from swiftwasm/master

[pull] swiftwasm from master

swift-wasm-5.3-SNAPSHOT-2020-06-16-a

Merge pull request #1203 from swiftwasm/release/5.3

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

swift-wasm-DEVELOPMENT-SNAPSHOT-2020-06-15-a

Merge pull request #1227 from swiftwasm/master

[pull] swiftwasm from master

swift-wasm-DEVELOPMENT-SNAPSHOT-2020-06-13-a

Merge pull request #1224 from swiftwasm/maxd/copy-all-nightly-libs

Copy all libraries from the nightly toolchain, including IndexStore

swift-wasm-DEVELOPMENT-SNAPSHOT-2020-06-12-a

Merge pull request #1204 from swiftwasm/maxd/underscores-in-presets

Fix use of underscores in WebAssembly presets

swift-wasm-5.3-SNAPSHOT-2020-06-10-a

Merge pull request #1195 from swiftwasm/release/5.3

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

swift-wasm-DEVELOPMENT-SNAPSHOT-2020-06-09-a

Merge pull request #1185 from swiftwasm/master

[pull] swiftwasm from master