[CMake] Force bootstrapping to host tools if the new parser is enabled

We cannot mix building the Swift libs with a host and new compiler. If
the new parser is enabled, force to host tools.

Resolves rdar://116686158.

Author: bnbarham

CMakeLists.txt

@@ -872,6 +872,13 @@ if(SWIFT_BUILD_SWIFT_SYNTAX)
     message(WARNING "Force setting BOOTSTRAPPING=HOSTTOOLS because Swift parser integration is enabled")
     set(BOOTSTRAPPING_MODE "HOSTTOOLS")
   endif()
+
+  # We cannot mix the parser using host tools and SwiftCompilerSources uses bootstrapping
+  if(BOOTSTRAPPING_MODE MATCHES "BOOTSTRAPPING.*")
+    message(WARNING "Force setting BOOTSTRAPPING=HOSTTOOLS because Swift parser integration is enabled")
+    set(BOOTSTRAPPING_MODE "HOSTTOOLS")
+  endif()
+
   add_definitions(-DSWIFT_BUILD_SWIFT_SYNTAX)
 endif()
 

test/ASTGen/decls.swift

@@ -16,8 +16,6 @@
 
 // -enable-experimental-feature requires an asserts build
 // REQUIRES: asserts
-// rdar://116686158
-// UNSUPPORTED: asan
 
 // NB: Ridiculous formatting to test that we do not include leading trivia in locations.
 

test/ASTGen/types.swift

@@ -2,8 +2,6 @@
 
 // -enable-experimental-feature requires an asserts build
 // REQUIRES: asserts
-// rdar://116686158
-// UNSUPPORTED: asan
 
 protocol P { }
 protocol Q { }