diff --git a/cc/config/clang.go b/cc/config/clang.go
index 347bfabab..617e3a0af 100644
--- a/cc/config/clang.go
+++ b/cc/config/clang.go
@@ -107,6 +107,9 @@ func init() {
 		// Help catch common 32/64-bit errors.
 		"-Werror=int-conversion",
 
+		// Enable the new pass manager.
+		"-fexperimental-new-pass-manager",
+
 		// Disable overly aggressive warning for macros defined with a leading underscore
 		// This happens in AndroidConfig.h, which is included nearly everywhere.
 		// TODO: can we remove this now?