Clang test segfaults.
See https://groups.google.com/g/cosmopolitan-libc/c/COPYVF7sE-Y

--- cosmopolitan/test/libc/release/test.mk	2021-05-17 03:35:10.000000000 +0000
+++ cosmopolitan-alpine/test/libc/release/test.mk	2022-01-07 02:47:16.666693677 +0000
@@ -147,6 +137,5 @@
 		o/$(MODE)/test/libc/release/smokecxx.com.runs	\
 		o/$(MODE)/test/libc/release/smokeansi.com	\
 		o/$(MODE)/test/libc/release/smokeansi.com.runs	\
-		o/$(MODE)/test/libc/release/clang.ok		\
 		o/$(MODE)/test/libc/release/emulate.ok		\
 		o/$(MODE)/test/libc/release/metal.ok