disable orc by hand for now until ORC_SUPPORTED_OS is fixed
Index: llvm-toolchain-17-17.0.6/compiler-rt/cmake/Modules/AllSupportedArchDefs.cmake
===================================================================
--- llvm-toolchain-17-17.0.6.orig/compiler-rt/cmake/Modules/AllSupportedArchDefs.cmake
+++ llvm-toolchain-17-17.0.6/compiler-rt/cmake/Modules/AllSupportedArchDefs.cmake
@@ -85,7 +85,7 @@ endif()
 set(ALL_SHADOWCALLSTACK_SUPPORTED_ARCH ${ARM64})
 
 if (UNIX)
-set(ALL_ORC_SUPPORTED_ARCH ${X86_64} ${ARM64} ${ARM32})
+set(ALL_ORC_SUPPORTED_ARCH ${ARM64} ${ARM32})
 endif()
 
 if (WIN32)
