Merge pull request #70710 from kubamracek/embedded-ump-allocate

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

Author: kubamracek

include/swift/AST/DiagnosticsSIL.def

@@ -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", ())
 

test/embedded/no-allocations.swift

@@ -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}}
+}