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[embedded] Add -no-allocations test for UnsafeMutablePointer.allocate(), improve diag messsage #70710

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Merged
merged 1 commit into from
Jan 5, 2024
Merged

[embedded] Add -no-allocations test for UnsafeMutablePointer.allocate(), improve diag messsage #70710

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2 changes: 1 addition & 1 deletion include/swift/AST/DiagnosticsSIL.def
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Original file line number Diff line number Diff line change
Expand Up @@ -367,7 +367,7 @@ ERROR(embedded_swift_metatype,none,
ERROR(embedded_swift_allocating_type,none,
"cannot use allocating type %0 in -no-allocations mode", (Type))
ERROR(embedded_swift_allocating,none,
"cannot use allocating type in -no-allocations mode", ())
"cannot use allocating operation in -no-allocations mode", ())
NOTE(performance_called_from,none,
"called from here", ())

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4 changes: 4 additions & 0 deletions test/embedded/no-allocations.swift
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Expand Up @@ -16,3 +16,7 @@ public func use_an_array() -> Int {
let a = [1, 2, 3] // expected-error {{cannot use allocating type '_ContiguousArrayStorage<Int>' in -no-allocations mode}}
return a.count
}

public func use_unsafepointer_allocate() -> UnsafeMutablePointer<UInt8> {
return UnsafeMutablePointer<UInt8>.allocate(capacity: 10) // expected-error {{cannot use allocating operation in -no-allocations mode}}
}