[clang] [lldb] [llvm] [cmake] Build executables with -no_exported_symbols when building Apple toolchain (PR #87684)

[Jon Roelofs via cfe-commits]

================
@@ -673,6 +673,9 @@ option(LLVM_USE_OPROFILE
 option(LLVM_EXTERNALIZE_DEBUGINFO
   "Generate dSYM files and strip executables and libraries (Darwin Only)" OFF)
 
+option(LLVM_ENABLE_NO_EXPORTED_SYMBOLS
----------------
jroelofs wrote:

The double negative is confusing. Maybe invert it, and make the name `LLVM_ENABLE_EXPORTED_SYMBOLS`?

https://github.com/llvm/llvm-project/pull/87684