[6.0][SwiftSyntax] Enable Package CMO if possible #75355
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Such module usages are not relevant for the final build, they are used only to detect the capabilities of the compiler. This generalizes swiftlang#68453, and would be needed for Apple internal configurations that set `SWIFT_LOADED_MODULE_TRACE_FILE` when building the compiler. Addresses rdar://124954349 (cherry picked from commit 5aaaae5)
The compiler crashes when compiling swift files importing package-cmo enabled '.swiftmodule'. Avoid that by not-using '.swiftmodule'. (cherry picked from commit f0808e5)
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swiftlang/swift-syntax#2740 |
bnbarham
approved these changes
Jul 20, 2024
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Cherry-pick #75304 (and #72405) into release/6.0
swift-syntaxlibraries in the compiler are library-evolution enabled for reasons, but that is causing considerable slowness. Enable package CMO if the builder compiler support it.