Fix test to use macOS 12.0 as the first OS to not require autolinking

instead of the notional 10.24, which the old logic in Platform.cpp
accidentally treated as a future release with no runtime restrictions.

Author: rjmccall

test/IRGen/autolink-runtime-compatibility.swift

@@ -8,7 +8,7 @@
 // RUN: %target-swift-frontend -runtime-compatibility-version none -emit-ir -parse-stdlib %s | %FileCheck -check-prefix=NO-FORCE-LOAD %s
 
 // Doesn't autolink compatibility library because target OS doesn't need it
-// RUN: %target-swift-frontend -target %target-cpu-apple-macosx10.24 -emit-ir -parse-stdlib %s | %FileCheck -check-prefix=NO-FORCE-LOAD %s
+// RUN: %target-swift-frontend -target %target-cpu-apple-macosx12.0 -emit-ir -parse-stdlib %s | %FileCheck -check-prefix=NO-FORCE-LOAD %s
 
 // Only autolinks 5.1 compatibility library because target OS has 5.1
 // RUN: %target-swift-frontend -target %target-cpu-apple-macosx10.15 -emit-ir -parse-stdlib %s | %FileCheck -check-prefix=FORCE-LOAD-51 %s

test/SILGen/variadic-generic-default-args.swift

@@ -0,0 +1,11 @@
+// RUN: %target-swift-emit-silgen -disable-availability-checking %s | %FileCheck %s
+
+// rdar://109904746
+
+func foo<T>(_ makeT: () throws -> T = { throw Nope() }) rethrows -> T {
+    try makeT()
+}
+
+func bar<each T>() throws -> (repeat each T) {
+    try foo() // compiler crash :(
+}

test/SILGen/variadic-generic-reabstraction2.swift

@@ -0,0 +1,19 @@
+// RUN: %target-swift-emit-silgen -disable-availability-checking %s | %FileCheck %s
+
+// rdar://110391963
+
+func identity<each Parameter>(_ parameter: repeat each Parameter) -> (repeat each Parameter) {
+    return (repeat each parameter)
+}
+
+[1, 2, 3].map(identity)
+
+
+
+func test<each T>(tuple: (repeat each T, Int)) -> (repeat each T, Int?) {
+  return tuple
+}
+
+func test2<each T>(tuple: (repeat each T)) -> (repeat each T?) {
+  return tuple
+}