Add flag -swift-async-framepointer=auto,never,always to control swift extended frame information emission #39245
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test with swiftlang/llvm-project#3245 @swift-ci test |
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Build failed |
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test with swiftlang/llvm-project#3245 @swift-ci test |
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Build failed |
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test with swiftlang/llvm-project#3255 @swift-ci test |
control swift extended frame information emission On linux we default to disable the extended frame info (since the system libraries don't support it). On darwin the default is to automatically choose based on the deployment target. The Concurrency library explicitly forces extended frame information and the back deployment library explicitly disables it.
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This pull breaks building the stdlib with a regular clang, ie not the Swift-forked one, on my Android CI. Since that compatibility has been maintained so far, maybe a new CMake flag can be added to only add flags like this for the Swift-forked clang? |
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On linux we default to disable the extended frame info (since the system
libraries don't support it).
On darwin the default is to automatically choose based on the deployment target.
The Concurrency library explicitly forces extended frame information and the
back deployment library explicitly disables it.