Merge pull request #63661 from eeckstein/disable-stack-protection

Disable stack protection by default

Author: tbkka

include/swift/AST/SILOptions.h

@@ -129,7 +129,7 @@ class SILOptions {
   bool EnablePerformanceAnnotations = false;
 
   /// Enables the emission of stack protectors in functions.
-  bool EnableStackProtection = true;
+  bool EnableStackProtection = false;
 
   /// Like `EnableStackProtection` and also enables moving of values to
   /// temporaries for stack protection.

test/SILOptimizer/stack_protection.swift

@@ -1,6 +1,9 @@
 // RUN: %target-swift-frontend -module-name=test -emit-sil %s -O | %FileCheck %s --check-prefix=CHECK --check-prefix=DEFAULT
 // RUN: %target-swift-frontend -module-name=test -enable-move-inout-stack-protector -emit-sil %s -O -enable-stack-protector | %FileCheck %s --check-prefix=CHECK --check-prefix=MOVE
 
+// temporarily disabled: rdar://105231457
+// XFAIL: *
+
 // REQUIRES: swift_in_compiler
 
 @_silgen_name("potentiallyBadCFunction")