diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index adc989d42..c5412ce59 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -1,4 +1,7 @@
 
+# Remove once underlying clang warning is fixed (rdar://93596069)
+set_source_files_properties(shims/yield.c PROPERTIES COMPILE_FLAGS -Wno-error=unused-but-set-variable)
+
 if(NOT CMAKE_SYSTEM_NAME STREQUAL Darwin)
   add_subdirectory(BlocksRuntime)
 endif()