From e7181ca8902156e7075c0f9975289869b73d3d89 Mon Sep 17 00:00:00 2001
From: Eric Miotto <emiotto@apple.com>
Date: Thu, 11 Sep 2025 01:40:37 -0700
Subject: [PATCH] Runtimes: match compilation flags for Observation used in the
 current...

build system

Currently in the new swiftinterfaces we are missing a lot of them,
matching instead some meant for Synchronization.

Addresses rdar://160353441
---
 .../Supplemental/Observation/CMakeLists.txt   | 21 ++++++++++++++-----
 1 file changed, 16 insertions(+), 5 deletions(-)

diff --git a/Runtimes/Supplemental/Observation/CMakeLists.txt b/Runtimes/Supplemental/Observation/CMakeLists.txt
index 762a41089764d..5ed03bf121a18 100644
--- a/Runtimes/Supplemental/Observation/CMakeLists.txt
+++ b/Runtimes/Supplemental/Observation/CMakeLists.txt
@@ -67,11 +67,22 @@ option(${PROJECT_NAME}_ENABLE_PRESPECIALIZATION "Enable generic metadata prespec
 add_compile_options(
   $<$<COMPILE_LANGUAGE:Swift>:-explicit-module-build>
   $<$<COMPILE_LANGUAGE:Swift>:-nostdlibimport>
-  $<$<COMPILE_LANGUAGE:Swift>:-enable-builtin-module>
-  $<$<COMPILE_LANGUAGE:Swift>:-strict-memory-safety>
-  "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-enable-experimental-feature RawLayout>"
-  "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-enable-experimental-feature StaticExclusiveOnly>"
-  "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-enable-experimental-feature Extern>"
+  "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-Xfrontend -enforce-exclusivity=unchecked>"
+  "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-Xfrontend -target-min-inlining-version -Xfrontend min>"
+  "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-Xfrontend -disable-implicit-string-processing-module-import>"
+  "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-enable-experimental-feature NoncopyableGenerics2>"
+  "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-enable-experimental-feature SuppressedAssociatedTypes>"
+  "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-enable-experimental-feature SE427NoInferenceOnExtension>"
+  "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-enable-experimental-feature NonescapableTypes>"
+  "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-enable-experimental-feature LifetimeDependence>"
+  "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-enable-experimental-feature InoutLifetimeDependence>"
+  "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-enable-experimental-feature LifetimeDependenceMutableAccessors>"
+  "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-enable-upcoming-feature MemberImportVisibility>"
+  "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-enable-experimental-feature Macros>"
+  "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-enable-experimental-feature ExtensionMacros>"
+  "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-Xfrontend -enable-lexical-lifetimes=false>"
+  "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-Xfrontend -enable-ossa-modules>"
+  "$<$<COMPILE_LANGUAGE:Swift>:-warn-implicit-overrides>"
   "$<$<AND:$<BOOL:${${PROJECT_NAME}_ENABLE_LIBRARY_EVOLUTION}>,$<COMPILE_LANGUAGE:Swift>>:-enable-library-evolution>"
   "$<$<AND:$<BOOL:${${PROJECT_NAME}_ENABLE_PRESPECIALIZATION}>,$<COMPILE_LANGUAGE:Swift>>:SHELL:-Xfrontend -prespecialize-generic-metadata>")