[clang] [llvm] workflows/release-binaries: Disable flang on Darwin (PR #164667)

[Cullen Rhodes via llvm-commits]

================
@@ -30,12 +30,18 @@ endfunction()
 #
 # cmake -D LLVM_RELEASE_ENABLE_PGO=ON -C Release.cmake
 
-set (DEFAULT_PROJECTS "clang;lld;lldb;clang-tools-extra;polly;mlir;flang")
+set (DEFAULT_PROJECTS "clang;lld;lldb;clang-tools-extra;polly;mlir")
 # bolt only supports ELF, so only enable it for Linux.
 if (${CMAKE_HOST_SYSTEM_NAME} MATCHES "Linux")
   list(APPEND DEFAULT_PROJECTS "bolt")
 endif()
 
+# Don't build flang on Darwin due to:
+# https://github.com/llvm/llvm-project/issues/160546
+if (NOT ${CMAKE_HOST_SYSTEM_NAME} MATCHES "Darwin")
+  list(APPEND DEFAULT_PROJECT "flang")
----------------
c-rhodes wrote:

```suggestion
  list(APPEND DEFAULT_PROJECTS "flang")
```

https://github.com/llvm/llvm-project/pull/164667