Index: cfe/trunk/cmake/caches/Fuchsia-stage2.cmake
===================================================================
--- cfe/trunk/cmake/caches/Fuchsia-stage2.cmake
+++ cfe/trunk/cmake/caches/Fuchsia-stage2.cmake
@@ -25,6 +25,7 @@
 set(CLANG_DEFAULT_RTLIB compiler-rt CACHE STRING "")
 set(CLANG_PLUGIN_SUPPORT OFF CACHE BOOL "")
 
+set(ENABLE_EXPERIMENTAL_NEW_PASS_MANAGER ON CACHE BOOL "")
 set(ENABLE_LINKER_BUILD_ID ON CACHE BOOL "")
 set(ENABLE_X86_RELAX_RELOCATIONS ON CACHE BOOL "")
 
Index: cfe/trunk/cmake/caches/Fuchsia.cmake
===================================================================
--- cfe/trunk/cmake/caches/Fuchsia.cmake
+++ cfe/trunk/cmake/caches/Fuchsia.cmake
@@ -19,6 +19,7 @@
 set(CLANG_DEFAULT_RTLIB compiler-rt CACHE STRING "")
 set(CLANG_PLUGIN_SUPPORT OFF CACHE BOOL "")
 
+set(ENABLE_EXPERIMENTAL_NEW_PASS_MANAGER ON CACHE BOOL "")
 set(ENABLE_LINKER_BUILD_ID ON CACHE BOOL "")
 set(ENABLE_X86_RELAX_RELOCATIONS ON CACHE BOOL "")